{ "model": { "rank": 6280, "code": "thing-q209440", "model_id": "vr.tr.galvanic-cell", "name": "galvanic cell", "purpose": "Enable an AI agent to recognise a galvanic cell, assess its ability to deliver electrical energy through spontaneous redox reactions, and determine suitable operating, testing and handling actions.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q209440/", "tier": 2, "score": 61, "payload": { "layer": "wikidata", "aliases": [ "Light-emitting electrochemical cell", "nickel oxyhydroxide battery", "zinc–manganese dioxide battery", "Manufacture of batteries and accumulators", "Leclanché cell", "Volta's cell", "zinc chloride cell", "Chromic acid cell", "concentration cell" ], "aliasCount": 9, "merged": 9, "knownIn": 61, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q209440", "url": "https://www.wikidata.org/wiki/Q209440", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T13:34:57Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.03662468, "turns": 3, "seconds": 148.6, "error": null }, "codex": { "seconds": 61.9, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07c12-0087-7d41-b25c-167df2e6393a\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: galvanic cell\nRegistry id: vr.tr.galvanic-cell\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none" } } }, "metaModel": { "id": "THING-Q209440", "registryId": "vr.tr.galvanic-cell", "name": "galvanic cell", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q209440/", "model": { "registry_id": "vr.tr.galvanic-cell", "name": "galvanic cell", "purpose": "Enable an AI agent to recognise a galvanic cell, assess its ability to deliver electrical energy through spontaneous redox reactions, and determine suitable operating, testing and handling actions.", "definition": "A galvanic (voltaic) cell is an electrochemical cell that converts the Gibbs energy of a spontaneous redox reaction into electrical work by spatially separating oxidation and reduction so electrons are forced through an external circuit while ions return through an electrolyte, salt bridge, or porous separator.", "scope_statement": "This model owns one electrochemical cell operating galvanically, including its reaction system, electrodes, electrolyte, charge-transfer paths, electrical behaviour and condition-dependent operating limits.", "in_scope": [ "Cell boundary, chemistry and intended galvanic operating mode", "Electrode reactions and the coupling of electronic and ionic conduction", "Voltage, current and electrical performance under stated conditions", "Reactant availability, depletion and chemistry-dependent rechargeability", "Internal degradation, containment and permissible handling" ], "out_of_scope": [ "Battery pack interconnections, balancing and pack-level management", "External chargers, loads and power-conversion equipment", "Electrolytic process design when electrical input drives a nonspontaneous reaction", "Upstream fuel production and external reactant-distribution infrastructure", "Detailed material synthesis and industrial electrode manufacturing" ], "distinguishing_features": [ "Determine whether the intended reaction can supply electrical work under the stated conditions; an electrolytic operating mode instead requires electrical input to drive its reaction.", "Identify oxidation and reduction coupled through an external electron path and an internal ion-conducting path; charge storage alone does not establish a galvanic cell.", "For galvanic operation, identify the oxidation electrode as the negative anode and the reduction electrode as the positive cathode; reassess these reaction roles if operation reverses.", "Establish whether the boundary contains one electrochemical cell or an assembly of cells; a battery pack requires an additional assembly model.", "Determine whether reactants are stored within the cell or supplied continuously; continuous supply can indicate a fuel-cell subtype rather than exclude galvanic operation." ], "characteristics": [ { "name": "Electrochemical reaction system", "kind": "category", "unit_or_values": "Identified oxidation and reduction couples, electrolyte and net reaction; unresolved constituents explicitly marked", "why_it_matters": "Establishes the mechanism of electrical generation and the chemistry to which operating evidence applies." }, { "name": "Electrode reaction roles", "kind": "relation", "unit_or_values": "Physical electrode mapped to oxidation or reduction role and terminal polarity in the stated operating mode", "why_it_matters": "Prevents confusion between persistent electrode identities and mode-dependent anode or cathode roles." }, { "name": "Open-circuit voltage", "kind": "measurement", "unit_or_values": "V, with temperature, rest duration and cell condition", "why_it_matters": "Provides a condition-dependent potential measurement without implying useful current delivery." }, { "name": "Loaded terminal voltage", "kind": "measurement", "unit_or_values": "V, with current in A, temperature and elapsed load time", "why_it_matters": "Shows whether the cell can maintain the voltage required by a particular load." }, { "name": "Internal impedance", "kind": "measurement", "unit_or_values": "Ω, with measurement method, frequency or pulse duration, temperature and cell condition", "why_it_matters": "Helps interpret voltage sag, heating and deterioration without treating impedance as a universal constant." }, { "name": "Deliverable charge", "kind": "measurement", "unit_or_values": "Ah or C to a stated cutoff under a stated discharge protocol", "why_it_matters": "Connects usable capacity to the conditions under which it can actually be delivered." }, { "name": "Reactant supply arrangement", "kind": "category", "unit_or_values": "Internally stored, externally supplied, hybrid or unresolved", "why_it_matters": "Determines the cell boundary and whether remaining service depends on stored inventory or continuing supply." }, { "name": "Rechargeability", "kind": "category", "unit_or_values": "Designed for recharge, not designed for recharge or unverified", "why_it_matters": "Separates demonstrated permission to charge from an assumption based on reaction reversibility." }, { "name": "Present operating condition", "kind": "state", "unit_or_values": "Open circuit, delivering current, depleted, faulted or unresolved, with supporting observations", "why_it_matters": "Supports a decision to connect, continue operating, test or isolate the cell." }, { "name": "Containment condition", "kind": "state", "unit_or_values": "Intact, leaking, swollen, venting, damaged or unverified, where applicable to the construction", "why_it_matters": "Identifies conditions that can constrain further electrical testing or handling." } ], "affordances": [ "Identify the reaction system, terminal polarity and physical cell boundary.", "Measure open-circuit and loaded behaviour using a chemistry-appropriate test protocol.", "Connect the cell to a compatible load within evidenced electrical and thermal limits.", "Estimate remaining service using chemistry-appropriate measurements and operating history.", "Recharge or replenish reactants only where the cell design and an applicable procedure support that action.", "Disconnect and isolate a degraded or damaged cell using handling appropriate to its chemistry." ] }, "sources": [ { "id": "wiki-galvanic-cell", "title": "Galvanic cell", "url": "https://en.wikipedia.org/wiki/Galvanic_cell", "what_it_supports": "Definition; Daniell chemistry and E° = 1.10 V; anode/cathode polarity; Nernst 59.18 mV decade⁻¹ at 25 °C; Weston voltage standard; battery-as-cells; galvanic corrosion; Wikidata Q209440 and GND 4155907-1", "url_status": "live" }, { "id": "wiki-electrochemical-cell", "title": "Electrochemical cell", "url": "https://en.wikipedia.org/wiki/Electrochemical_cell", "what_it_supports": "Galvanic versus electrolytic split; half-cells; primary battery as single-use galvanic cells; battery as cells in series or parallel", "url_status": "live" }, { "id": "chemtalk-galvanic", "title": "Galvanic Cells & Voltaic Cells", "url": "https://chemistrytalk.org/electrochemical-galvanic-cells/", "what_it_supports": "Spontaneous redox to current; Galvani/Volta naming; work direction versus electrolytic cells", "url_status": "unverified" }, { "id": "libretexts-cells", "title": "3.3: Electrochemical Cells", "url": "https://chem.libretexts.org/Courses/Calvin_University/Chem_230%3A_Essential_Inorganic_Chemistry/03%3A_Oxidation_and_Reduction_of_Elements/3.03%3A_Electrochemical_Cells", "what_it_supports": "Positive E_cell for galvanic cells; salt-bridge ionic path; cell notation; batteries as the practical form", "url_status": "live" }, { "id": "iec-60086-1-2026", "title": "IEC 60086-1:2026 Primary batteries - Part 1: General", "url": "", "what_it_supports": "IEC TC 35 rules for commercial primary cells: dimensions, system letters, electrodes, electrolytes, nominal and maximum open-circuit voltage, safety and interchangeability", "url_status": "dead" }, { "id": "wikidata-daniell", "title": "Daniell cell (Q749635)", "url": "https://www.wikidata.org/wiki/Q749635", "what_it_supports": "Daniell cell typed as instance of galvanic cell", "url_status": "live" }, { "id": "wikidata-concentration", "title": "concentration cell (Q903563)", "url": "https://www.wikidata.org/wiki/Q903563", "what_it_supports": "Concentration cell defined as a galvanic cell driven by concentration difference of the same material", "url_status": "live" } ], "structure": { "bundles": [ { "id": "reaction-identity-and-cell-boundary", "name": "Reaction identity and cell boundary", "description": "Establishes which electrochemical system and physical unit the model describes.", "rationale": "A galvanic cell is identified by its coupled reactions and operating boundary, not merely by its casing or voltage label.", "layers": [ { "id": "redox-system", "name": "Redox system", "description": "Identifies the reactions responsible for electrical generation.", "findings": [ { "id": "coupled-electrode-reactions", "name": "Coupled electrode reactions", "description": "Records the proposed oxidation, reduction and net reaction together with evidence and unresolved chemistry.", "questions": [ { "text": "Which species are oxidised and reduced during the intended galvanic operation?", "kind": "definition", "id": "coupled-electrode-reactions-q01" }, { "text": "What evidence establishes the reaction system for this particular cell?", "kind": "provenance", "id": "coupled-electrode-reactions-q02" }, { "text": "Under which composition and temperature conditions is the stated reaction expected to deliver electrical work?", "kind": "boundary", "id": "coupled-electrode-reactions-q03" } ] } ] }, { "id": "physical-and-supply-boundary", "name": "Physical and supply boundary", "description": "Separates the individual cell from neighbouring cells and external supplies.", "findings": [ { "id": "single-cell-extent", "name": "Single-cell extent", "description": "Records the electrodes, electrolyte compartments and reactant interfaces that constitute one cell.", "questions": [ { "text": "Which electrodes and electrolyte regions constitute this single cell, and are any additional cells hidden within the enclosure?", "kind": "boundary", "id": "single-cell-extent-q01" }, { "text": "Which reactants are contained within the cell and which cross its boundary during operation?", "kind": "boundary", "id": "single-cell-extent-q02" } ] } ] } ] }, { "id": "electron-and-ion-pathways", "name": "Electron and ion pathways", "description": "Describes how electrode reactions are coupled while unwanted internal electronic conduction is prevented.", "rationale": "A cell can have suitable reactants yet fail to supply useful current if its electronic or ionic path is interrupted or bypassed.", "layers": [ { "id": "electrode-and-terminal-path", "name": "Electrode and terminal path", "description": "Connects physical electrodes, reaction roles and external terminals.", "findings": [ { "id": "reaction-role-and-polarity", "name": "Reaction role and polarity", "description": "Records electrode identities and their operating-mode-specific relationship to terminal polarity.", "questions": [ { "text": "Which physical electrode performs oxidation and which performs reduction during discharge?", "kind": "definition", "id": "reaction-role-and-polarity-q01" }, { "text": "How has the polarity at the accessible terminals been established?", "kind": "measurement", "id": "reaction-role-and-polarity-q02" }, { "text": "What terminal connection or contact condition could interrupt the intended external electron path?", "kind": "boundary", "id": "reaction-role-and-polarity-q03" } ] } ] }, { "id": "electrolyte-and-separation", "name": "Electrolyte and separation", "description": "Identifies ionic conduction and the means of limiting internal shorts or unwanted reactant mixing.", "findings": [ { "id": "ionic-continuity-and-isolation", "name": "Ionic continuity and isolation", "description": "Records the electrolyte and any separator, membrane or salt bridge according to the actual construction.", "questions": [ { "text": "What electrolyte and mobile ions provide ionic continuity between the electrode reaction regions?", "kind": "definition", "id": "ionic-continuity-and-isolation-q01" }, { "text": "What prevents an internal electronic short, and what controls reactant crossover where separation is required?", "kind": "definition", "id": "ionic-continuity-and-isolation-q02" }, { "text": "Which observations would indicate drying, loss of electrolyte, separator damage or another interruption of the intended ionic path?", "kind": "measurement", "id": "ionic-continuity-and-isolation-q03" } ] } ] } ] }, { "id": "electrical-delivery-and-reactant-state", "name": "Electrical delivery and reactant state", "description": "Relates measured electrical output to loading, reaction conditions and available reactants.", "rationale": "Open-circuit voltage alone cannot establish usable power, remaining capacity or the cause of declining performance.", "layers": [ { "id": "potential-and-load-response", "name": "Potential and load response", "description": "Characterises electrical behaviour under explicitly stated measurement conditions.", "findings": [ { "id": "conditioned-voltage-and-current", "name": "Conditioned voltage and current", "description": "Records open-circuit potential and loaded response without confusing nominal, equilibrium and measured voltages.", "questions": [ { "text": "What open-circuit voltage is measured, at what temperature and after what rest period?", "kind": "measurement", "id": "conditioned-voltage-and-current-q01" }, { "text": "How does terminal voltage change with specified current and load duration?", "kind": "measurement", "id": "conditioned-voltage-and-current-q02" }, { "text": "What evidence distinguishes ohmic loss, electrode polarisation and mass-transport limitation in the observed response?", "kind": "measurement", "id": "conditioned-voltage-and-current-q03" } ] } ] }, { "id": "available-reactants-and-service", "name": "Available reactants and service", "description": "Connects reactant availability to remaining electrical service.", "findings": [ { "id": "usable-reactant-inventory", "name": "Usable reactant inventory", "description": "Records depletion or supply constraints and the evidence supporting a remaining-service estimate.", "questions": [ { "text": "Which reactant inventory, accessible electrode material or external supply currently limits continued operation?", "kind": "boundary", "id": "usable-reactant-inventory-q01" }, { "text": "What charge or operating duration can the cell deliver to a stated cutoff under a defined load and temperature?", "kind": "measurement", "id": "usable-reactant-inventory-q02" }, { "text": "Which chemistry-specific method supports a remaining-service estimate, and what uncertainty does it leave?", "kind": "measurement", "id": "usable-reactant-inventory-q03" } ] } ] } ] }, { "id": "operating-permissions-and-failure-state", "name": "Operating permissions and failure state", "description": "Determines which electrical and handling actions are supported by the cell's design and present condition.", "rationale": "Galvanic operation does not itself establish rechargeability, safe load limits or permission to continue using a damaged cell.", "layers": [ { "id": "permitted-electrochemical-operation", "name": "Permitted electrochemical operation", "description": "Establishes evidence-backed limits for discharge, recharge and reactant replenishment.", "findings": [ { "id": "supported-operating-envelope", "name": "Supported operating envelope", "description": "Records applicable limits and procedures together with their source and conditions of validity.", "questions": [ { "text": "What source establishes permissible discharge current, terminal-voltage cutoff and operating temperature for this cell?", "kind": "provenance", "id": "supported-operating-envelope-q01" }, { "text": "Is recharge or reactant replenishment supported by this design, and what evidence establishes the applicable procedure?", "kind": "provenance", "id": "supported-operating-envelope-q02" }, { "text": "Does the proposed load, charging procedure or replenishment action remain within those limits under the present conditions?", "kind": "action", "id": "supported-operating-envelope-q03" } ] } ] }, { "id": "degradation-and-containment", "name": "Degradation and containment", "description": "Interprets deterioration and physical damage in the context of the identified chemistry and construction.", "findings": [ { "id": "fault-evidence-and-disposition", "name": "Fault evidence and disposition", "description": "Records abnormal electrical, thermal and physical observations and their implications for continued use.", "questions": [ { "text": "What evidence exists of abnormal self-discharge, resistance increase, heating, corrosion, leakage or gas generation?", "kind": "measurement", "id": "fault-evidence-and-disposition-q01" }, { "text": "Which observations require stopping discharge or recharge under the applicable cell procedure?", "kind": "action", "id": "fault-evidence-and-disposition-q02" }, { "text": "What chemistry- and construction-specific procedure governs isolation, storage or disposal of the cell in its present condition?", "kind": "action", "id": "fault-evidence-and-disposition-q03" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Daniell cell (zinc anode in ZnSO4 / copper cathode in CuSO4)", "Concentration cell (same couple, voltage from activity difference)", "Primary (non-rechargeable) cell", "Secondary cell (rechargeable; galvanic on discharge)", "Dry cell with immobilized electrolyte (Leclanché, alkaline)", "Fuel cell (reactants fed continuously)", "Metal-air cell", "Thermogalvanic cell" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of galvanic cell this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "scheme": "Wikidata", "value_or_pattern": "Q209440", "note": "Item galvanic cell; sitelinked from the English Wikipedia article" }, { "scheme": "GND", "value_or_pattern": "4155907-1", "note": "Integrated Authority File heading listed on the Wikipedia article" }, { "scheme": "IUPAC cell notation", "value_or_pattern": "anode | anolyte || catholyte | cathode (e.g. Zn(s)|Zn2+(aq)||Cu2+(aq)|Cu(s))", "note": "Line notation for a galvanic cell; phase boundaries | and salt bridge ||" }, { "scheme": "IEC 60086 system letter", "value_or_pattern": "Letter + size code (e.g. R6, LR6, CR17345)", "note": "Classifies commercial primary cells by electrochemical system, electrodes, electrolyte and voltage, not laboratory cells" }, { "scheme": "Wikidata (kind)", "value_or_pattern": "Q749635 (Daniell cell); Q903563 (concentration cell)", "note": "Named subtypes, not the parent class" } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of galvanic cell this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "IEC 60086-1 (IEC TC 35): general requirements, system letters, nominal and maximum open-circuit voltage for primary cells", "IEC 60086-2 / 60086-2-1 / 60086-2-2 (IEC TC 35): physical and electrical specifications of aqueous and lithium primary cells", "IEC 60086-4 and IEC 60086-5 (IEC): safety of lithium and aqueous-electrolyte primary cells under use and foreseeable misuse", "Weston saturated cadmium cell: adopted in 1911 as an international voltage standard (historical metrology, now superseded in practice by Josephson voltage standards)", "IEEE Milestone: Volta's Electrical Battery Invention, 1799 (IEEE History Center)" ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of galvanic cell this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Teaching and analytical electrochemistry: two-beaker Daniell cells and fruit/lemon cells used to show half-reactions, salt bridges and cell notation", "Consumer primary cells (zinc-carbon, alkaline, lithium coin) that power lamps, remotes and watches", "Lead-acid traction and standby power: a 12 V automotive battery is six galvanic cells in series; telephone-exchange battery rooms stack many cells in series-parallel", "Unintended cells: dissimilar metals plus an electrolyte (seawater, rain, concrete pore water) form a galvanic couple and corrode the less noble metal", "Cathodic protection: a sacrificial anode is a designed galvanic cell that dissolves instead of the structure", "Fuel cells in vehicles and stationary power, which are galvanic in thermodynamics with continuous reactant feed" ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of galvanic cell this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "quantity": "Standard cell potential E° (Daniell Zn-Cu)", "typical_range": "1.10", "unit": "V" }, { "quantity": "Open-circuit voltage of a single aqueous cell", "typical_range": "0.5-2.0", "unit": "V" }, { "quantity": "Nominal voltage of one lead-acid cell", "typical_range": "2.0 (six in series give 12 V)", "unit": "V" }, { "quantity": "Nernst slope at 25 °C", "typical_range": "59.18 per decade of activity, per electron transferred", "unit": "mV" }, { "quantity": "Temperature for tabulated standard potentials", "typical_range": "25 (298.15 K)", "unit": "°C" }, { "quantity": "Weston saturated-cell voltage (historical standard)", "typical_range": "highly reproducible near 1.018 at 20 °C (exact legal value was defined by the then voltage standard)", "unit": "V" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of galvanic cell this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Load voltage falls below E° because of overpotential, internal resistance and concentration polarization", "As discharge proceeds, electrolyte concentrations change and E_cell drops; at equilibrium (ΔG = 0) the cell is dead", "Salt-bridge drying, clogging or ion mixing lets the more noble cation plate at the wrong electrode and kills the designed reaction", "External or internal short dumps the stored chemical energy as heat", "Hydrogen can evolve on the nobler electrode; with a closed headspace that is an explosion hazard", "Acid, alkali or salt electrolytes leak and cause chemical burns and metal attack", "The same cell chemistry, if the metals are structural rather than packaged electrodes, is galvanic corrosion of the less noble metal" ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of galvanic cell this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "English uses galvanic cell and voltaic cell as synonyms; many US general-chemistry courses prefer voltaic, while galvanic is common in electrochemistry and in German-influenced usage (galvanisches Element / galvanische Zelle)", "IEC and engineering English treat a battery as two or more cells; consumer US English calls a single AA a battery", "French pile (pile galvanique, pile Daniell) often names one cell; German keeps Zelle versus Batterie more strictly", "Corrosion practice names the same physics a galvanic couple or bimetallic corrosion (German Bimetallkorrosion) rather than a power cell" ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of galvanic cell this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "name": "Electrolytic cell", "difference": "An external source drives a non-spontaneous reaction (ΔG > 0, E_cell < 0); the anode is positive. A galvanic cell runs spontaneously (ΔG < 0) and the anode is negative." }, { "name": "Electric battery", "difference": "A battery is one or more cells connected as a source (strictly two or more in series/parallel). A galvanic cell is the single electrochemical unit." }, { "name": "Fuel cell", "difference": "Thermodynamically galvanic, but reactants are supplied continuously from outside instead of being stored in the electrodes or electrolyte." }, { "name": "Galvanic corrosion couple", "difference": "Same dissimilar-metal-plus-electrolyte electrochemistry, encountered as destructive attack rather than as a packaged generator; test is whether the circuit is designed to deliver work." }, { "name": "Photovoltaic (solar) cell", "difference": "Current comes from absorbed photons in a semiconductor junction, not from a spontaneous redox couple and salt bridge." }, { "name": "Half-cell", "difference": "One electrode-electrolyte interface. A galvanic cell needs two half-cells plus an ionic path." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of galvanic cell this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend this entry to encompass fuel cells and incidental galvanic corrosion cells, or only deliberately constructed electrical sources?", "Which chemistry families require specialised extensions for reaction intermediates, electrolyte behaviour or degradation mechanisms?", "Which authoritative sources will establish chemistry-specific operating limits and permitted recharge or replenishment procedures?", "Which measurements can support remaining-service estimates for each included chemistry, especially where open-circuit voltage is weakly informative?", "Where do existing Vercy models already own battery assemblies, electrolytic operating modes or fuel-supply systems, and how should this model link to them?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 16, "questions": 31 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "device, machine or tool", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a galvanic cell, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise a galvanic cell, assess its ability to deliver electrical energy through spontaneous redox reactions, and determine suitable operating, testing and handling actions.", "characteristics": { "substance": "material", "origin": "manufactured", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: Light-emitting electrochemical cell, nickel oxyhydroxide battery, zinc–manganese dioxide battery, Manufacture of batteries and accumulators, Leclanché cell, Volta's cell, zinc chloride cell, Chromic acid cell, concentration cell.", "9 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 61 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a galvanic cell, and on what evidence are they told apart?" ], "whatItIsMadeOf": "matter you can touch", "physicalCharacter": [ "Mobility varies between examples.", "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Recognised by form, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "Light-emitting electrochemical cell", "nickel oxyhydroxide battery", "zinc–manganese dioxide battery", "Manufacture of batteries and accumulators", "Leclanché cell", "Volta's cell", "zinc chloride cell", "Chromic acid cell", "concentration cell" ] } ], "standing": "Described in 61 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 9 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one galvanic cell from another, and a galvanic cell from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a galvanic cell, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a galvanic cell, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a galvanic cell is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a galvanic cell, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a galvanic cell, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a galvanic cell is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a galvanic cell sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a galvanic cell, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a galvanic cell, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a galvanic cell is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a galvanic cell from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a galvanic cell, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a galvanic cell, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a galvanic cell is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "form-and-composition", "name": "Form, composition and condition", "description": "What a galvanic cell is made of, what shape and size it takes, and what state it is in.", "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.", "layers": [ { "id": "form-and-dimensions", "name": "Form and dimensions", "description": "Shape, size, mass and the ranges these take across examples.", "findings": [ { "id": "measurable-dimensions", "name": "Measurable dimensions and their units", "description": "The quantities worth recording and the units they are recorded in.", "questions": [ { "id": "measurable-dimensions-q01", "text": "What identifies and describes the dimensions of a galvanic cell, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "measurable-dimensions-q02", "text": "Who or what asserted this about the dimensions of a galvanic cell, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "measurable-dimensions-q03", "text": "What may an agent decide or do once the dimensions of a galvanic cell is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "material-and-composition", "name": "Material and composition", "description": "Materials, parts and how they are put together.", "findings": [ { "id": "parts-and-materials", "name": "Parts and materials", "description": "What a galvanic cell is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a galvanic cell, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "parts-and-materials-q02", "text": "Who or what asserted this about the composition of a galvanic cell, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "parts-and-materials-q03", "text": "What may an agent decide or do once the composition of a galvanic cell is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "condition-and-integrity", "name": "Condition and integrity", "description": "Wear, damage, health and the difference between working and broken.", "findings": [ { "id": "condition-assessment", "name": "Condition, damage and health", "description": "How the condition of a galvanic cell is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a galvanic cell, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "condition-assessment-q02", "text": "Who or what asserted this about the condition of a galvanic cell, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "condition-assessment-q03", "text": "What may an agent decide or do once the condition of a galvanic cell is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "place-and-movement", "name": "Place and movement", "description": "Where a galvanic cell is, how it got there and where it may go (varies).", "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.", "layers": [ { "id": "location-and-placement", "name": "Location and placement", "description": "Position, containment and the reference frame the position is given in.", "findings": [ { "id": "position-and-frame", "name": "Position, container and reference frame", "description": "Where a galvanic cell is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a galvanic cell, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "position-and-frame-q02", "text": "Who or what asserted this about the location of a galvanic cell, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "position-and-frame-q03", "text": "What may an agent decide or do once the location of a galvanic cell is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "movement-and-transfer", "name": "Movement and transfer", "description": "How a galvanic cell is carried, installed or relocated.", "findings": [ { "id": "movement-events", "name": "Movement events and constraints", "description": "What counts as a movement, what records it and what limits it.", "questions": [ { "id": "movement-events-q01", "text": "What identifies and describes the movement of a galvanic cell, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "movement-events-q02", "text": "Who or what asserted this about the movement of a galvanic cell, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "movement-events-q03", "text": "What may an agent decide or do once the movement of a galvanic cell is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a galvanic cell passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a galvanic cell between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a galvanic cell, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a galvanic cell, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a galvanic cell is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a galvanic cell, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a galvanic cell is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a galvanic cell, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a galvanic cell, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a galvanic cell is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "function-and-principle", "name": "Function and operating principle", "description": "What galvanic cell is for and how it achieves it.", "rationale": "Two devices with the same name can work on different principles, and the principle is what predicts failure and constrains use.", "layers": [ { "id": "intended-function", "name": "Intended function", "description": "The job it does, and the jobs it is used for anyway.", "findings": [ { "id": "function-record", "name": "Function, principle and variants", "description": "What it does, how, and which variants do it differently.", "questions": [ { "id": "function-record-q01", "text": "What function does galvanic cell perform, on what operating principle, and which variants differ in that principle?", "kind": "definition" }, { "id": "function-record-q02", "text": "What use falls outside the intended function but happens in practice?", "kind": "boundary" } ] } ] }, { "id": "capacity-and-rating", "name": "Capacity and rating", "description": "The numbers that say what it can do and where it stops.", "findings": [ { "id": "ratings", "name": "Ratings and their conditions", "description": "Rated capacity, power, throughput and the conditions each assumes.", "questions": [ { "id": "ratings-q01", "text": "What ratings characterise galvanic cell, in what units, and under what stated conditions?", "kind": "measurement" }, { "id": "ratings-q02", "text": "What happens beyond the rating - degradation, refusal, damage - and how is that detected?", "kind": "action" } ] } ] } ] }, { "id": "operation-and-state", "name": "Operation, controls and state", "description": "How galvanic cell is operated and what state it is in right now.", "rationale": "An agent acting on a device needs its current state and the controls that change it, not just its specification.", "layers": [ { "id": "controls-and-modes", "name": "Controls and modes", "description": "What can be set, what that changes, and what is interlocked.", "findings": [ { "id": "control-surface", "name": "Control surface and interlocks", "description": "The settings available and the conditions that block them.", "questions": [ { "id": "control-surface-q01", "text": "What controls and modes does galvanic cell have, and what does each change?", "kind": "definition" }, { "id": "control-surface-q02", "text": "Which actions are interlocked or forbidden in which state, and what must be true before acting?", "kind": "action" } ] } ] }, { "id": "condition-and-maintenance", "name": "Condition and maintenance", "description": "Wear, service intervals, consumables and the line between working and broken.", "findings": [ { "id": "service-record", "name": "Condition, service and consumables", "description": "What is consumed, what is serviced, and how condition is judged.", "questions": [ { "id": "service-record-q01", "text": "What consumables and service does galvanic cell need, at what interval, and on whose authority?", "kind": "measurement" }, { "id": "service-record-q02", "text": "What evidence separates a unit that is working from one that is out of service?", "kind": "boundary" } ] } ] } ] }, { "id": "kind-model-unit", "name": "Kind, model and unit", "description": "Whether a claim about galvanic cell is about the kind, a product line, or one physical unit.", "rationale": "This is the boundary most often got wrong for made things, and getting it wrong mixes a catalogue entry with the machine in the yard.", "layers": [ { "id": "level-of-reference", "name": "Level of reference", "description": "The three levels and what belongs at each.", "findings": [ { "id": "level-rules", "name": "What belongs to kind, model and unit", "description": "Which properties are shared by all of them and which are not.", "questions": [ { "id": "level-rules-q01", "text": "Which facts about galvanic cell hold for every one of them, which for a model, and which only for one unit?", "kind": "boundary" }, { "id": "level-rules-q02", "text": "What identifies an individual unit, and what should an agent do when it has only the kind?", "kind": "action" } ] } ] }, { "id": "standards-and-conformity", "name": "Standards and conformity", "description": "The standards a working example must meet and who attests it.", "findings": [ { "id": "conformity", "name": "Standards, marks and attestation", "description": "Which standard applies, who certifies, and what the mark means.", "questions": [ { "id": "conformity-q01", "text": "Which standards govern galvanic cell, issued by whom, and what does conformity actually assert?", "kind": "provenance" }, { "id": "conformity-q02", "text": "What may an agent conclude from a certification mark, and what may it not?", "kind": "boundary" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a galvanic cell came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a galvanic cell and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a galvanic cell, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a galvanic cell, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a galvanic cell is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a galvanic cell is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a galvanic cell, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a galvanic cell, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a galvanic cell is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 8, "layers": 17, "findings": 19, "questions": 51 } } } }