{
  "node": {
    "id": "term:cyclic-voltammetry",
    "type": "Term",
    "label": "Cyclic voltammetry",
    "properties": {
      "id": "cyclic-voltammetry",
      "name": "Cyclic voltammetry",
      "abbr": "CV",
      "section": "topic-testing",
      "definition": "Sweeping an electrode’s potential up and down at a fixed rate and recording the current, so each reaction shows as a peak at its potential. It is a materials-screening tool; in battery work the abbreviation CV more often means constant voltage.",
      "related": [
        "potentiostat",
        "half-cell",
        "constant-voltage",
        "electrode-potential"
      ],
      "url": "https://lemonergy.com/learn/glossary/cyclic-voltammetry/",
      "mentions": [
        "electrode"
      ]
    }
  },
  "edges": [
    {
      "id": "edge:2685",
      "source": "term:cyclic-voltammetry",
      "target": "topic:topic-testing",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:2686",
      "source": "term:cyclic-voltammetry",
      "target": "term:potentiostat",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:2687",
      "source": "term:cyclic-voltammetry",
      "target": "term:half-cell",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:2688",
      "source": "term:cyclic-voltammetry",
      "target": "term:constant-voltage",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:2689",
      "source": "term:cyclic-voltammetry",
      "target": "term:electrode-potential",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:mentions/cyclic-voltammetry/electrode",
      "source": "term:cyclic-voltammetry",
      "target": "term:electrode",
      "type": "mentions",
      "properties": {
        "sourceFile": "terms.json",
        "method": "build_glossary.mention_index + mentions",
        "field": "definition",
        "meaning": "Text mention; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "id": "topic:topic-testing",
      "type": "Topic",
      "label": "Testing methods",
      "properties": {
        "id": "topic-testing",
        "name": "Testing methods",
        "lede": "The measurements and test procedures that characterise a cell or pack, from capacity and pulse tests to abuse and environmental tests.",
        "context": "Record specimen, state, instrument, temperature and timing.",
        "example": "Resistance immediately after a current step can differ from a ten-second value because slower polarization contributes.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/capacity-and-c-rate/",
        "lesson_label": "Open capacity measurements"
      }
    },
    {
      "id": "term:potentiostat",
      "type": "Term",
      "label": "Potentiostat",
      "properties": {
        "id": "potentiostat",
        "name": "Potentiostat",
        "aka": [
          "galvanostat"
        ],
        "section": "topic-testing",
        "definition": "An instrument that controls the potential of an electrode against a reference and measures the current, or the reverse as a galvanostat. It is the tool for electrochemical impedance spectroscopy and three-electrode experiments.",
        "related": [
          "cycler",
          "electrochemical-impedance-spectroscopy",
          "three-electrode-cell",
          "reference-electrode",
          "cyclic-voltammetry"
        ],
        "url": "https://lemonergy.com/learn/glossary/potentiostat/",
        "mentions": [
          "impedance",
          "electrode"
        ]
      }
    },
    {
      "id": "term:half-cell",
      "type": "Term",
      "label": "Half-cell",
      "properties": {
        "id": "half-cell",
        "name": "Half-cell",
        "section": "topic-testing",
        "definition": "A test cell with the electrode under study against lithium metal, so the measured potential is that electrode’s alone. It is how a new material’s capacity and voltage are first measured, usually in coin-cell format.",
        "related": [
          "coin-cell",
          "full-cell",
          "electrode-potential",
          "lithium-metal-anode"
        ],
        "url": "https://lemonergy.com/learn/glossary/half-cell/",
        "mentions": [
          "electrode"
        ]
      }
    },
    {
      "id": "term:constant-voltage",
      "type": "Term",
      "label": "Constant voltage",
      "properties": {
        "id": "constant-voltage",
        "name": "Constant voltage",
        "abbr": "CV",
        "section": "topic-charging",
        "definition": "A charge stage in which the terminal voltage is held at a selected limit while the current is allowed to fall. The charge added during this stage and its duration depend on the cell, initial state, voltage limit and termination current.",
        "related": [
          "cc-cv-charging",
          "constant-current",
          "taper-current",
          "cutoff-voltage"
        ],
        "example": {
          "title": "Read the taper correctly",
          "text": "In a hypothetical CV stage with a 4.0 V ceiling, the controller holds terminal voltage at that ceiling while current tapers as the cell state changes and its OCV rises. A voltage plateau does not mean the charge session has completed; the current cutoff and dwell still matter."
        },
        "url": "https://lemonergy.com/learn/glossary/constant-voltage/",
        "mentions": [
          "voltage"
        ]
      }
    },
    {
      "id": "term:electrode-potential",
      "type": "Term",
      "label": "Electrode potential",
      "properties": {
        "id": "electrode-potential",
        "name": "Electrode potential",
        "section": "topic-electrochemistry",
        "definition": "The potential of an electrode relative to a reference, which for lithium-ion work is lithium metal in the same electrolyte, written as V vs Li/Li⁺. Graphite sits near 0.1 V and layered oxides near 3.7–4.3 V on this scale.",
        "unit": "V vs Li/Li⁺",
        "related": [
          "standard-potential",
          "cell-voltage",
          "reference-electrode",
          "half-reaction"
        ],
        "lesson": "labs/battery-materials-lab/#battery-materials-lab",
        "url": "https://lemonergy.com/learn/glossary/electrode-potential/",
        "mentions": [
          "electrode",
          "graphite",
          "electrolyte"
        ]
      }
    },
    {
      "id": "term:electrode",
      "type": "Term",
      "label": "Electrode",
      "properties": {
        "id": "electrode",
        "name": "Electrode",
        "section": "topic-components",
        "definition": "A solid conductor where the cell’s reaction happens, in contact with the electrolyte. A lithium-ion cell has a negative electrode and a positive electrode, each a porous coating on a metal foil.",
        "related": [
          "negative-electrode",
          "positive-electrode",
          "porous-electrode",
          "current-collector"
        ],
        "lesson": "fundamentals/cell-anatomy/#components",
        "example": {
          "title": "Two transport paths",
          "text": "Electrons need connected solid paths to the collector; ions need electrolyte paths to reaction sites. More of one constituent displaces others at fixed volume."
        },
        "url": "https://lemonergy.com/learn/glossary/electrode/",
        "mentions": [
          "electrolyte",
          "coating"
        ]
      }
    }
  ]
}