{
  "node": {
    "id": "term:terminal",
    "type": "Term",
    "label": "Terminal",
    "properties": {
      "id": "terminal",
      "name": "Terminal",
      "section": "topic-components",
      "definition": "The external conductor through which current enters and leaves the cell: the can and cap of a cylindrical cell, two posts on a prismatic cell, or the sealed foil tabs of a pouch cell.",
      "related": [
        "tab",
        "busbar",
        "voltage"
      ],
      "url": "https://lemonergy.com/learn/glossary/terminal/",
      "mentions": [
        "cylindrical-cell",
        "prismatic-cell",
        "pouch-cell"
      ]
    }
  },
  "edges": [
    {
      "id": "edge:476",
      "source": "term:terminal",
      "target": "topic:topic-components",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:477",
      "source": "term:terminal",
      "target": "term:tab",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:478",
      "source": "term:terminal",
      "target": "term:busbar",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:479",
      "source": "term:terminal",
      "target": "term:voltage",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:mentions/terminal/cylindrical-cell",
      "source": "term:terminal",
      "target": "term:cylindrical-cell",
      "type": "mentions",
      "properties": {
        "sourceFile": "terms.json",
        "method": "build_glossary.mention_index + mentions",
        "field": "definition",
        "meaning": "Text mention; not a causal claim"
      }
    },
    {
      "id": "edge:mentions/terminal/prismatic-cell",
      "source": "term:terminal",
      "target": "term:prismatic-cell",
      "type": "mentions",
      "properties": {
        "sourceFile": "terms.json",
        "method": "build_glossary.mention_index + mentions",
        "field": "definition",
        "meaning": "Text mention; not a causal claim"
      }
    },
    {
      "id": "edge:mentions/terminal/pouch-cell",
      "source": "term:terminal",
      "target": "term:pouch-cell",
      "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-components",
      "type": "Topic",
      "label": "Cell components and electrode materials",
      "properties": {
        "id": "topic-components",
        "name": "Cell components and electrode materials",
        "lede": "What a cell is physically made of — active materials, binders, additives, foils and tabs — and how its electrodes are put together.",
        "context": "Connect each material with its function.",
        "example": "Electrons travel through additive, foil and tab; ions use electrolyte and separator pathways.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/cell-anatomy/",
        "lesson_label": "Open cell anatomy"
      }
    },
    {
      "id": "term:tab",
      "type": "Term",
      "label": "Tab",
      "properties": {
        "id": "tab",
        "name": "Tab",
        "section": "topic-components",
        "definition": "The strip of metal that connects an electrode’s foil to the cell terminal: nickel or copper on the negative side, aluminium on the positive. Tab count and width set much of a cell’s resistance and heat generation.",
        "related": [
          "current-collector",
          "tab-welding",
          "tabless-design",
          "terminal"
        ],
        "example": {
          "title": "Electrical and thermal paths",
          "text": "Tab geometry can change electrical resistance and heat flow without changing active-material capacity."
        },
        "url": "https://lemonergy.com/learn/glossary/tab/",
        "mentions": [
          "electrode",
          "heat-generation"
        ]
      }
    },
    {
      "id": "term:busbar",
      "type": "Term",
      "label": "Busbar",
      "properties": {
        "id": "busbar",
        "name": "Busbar",
        "section": "topic-pack",
        "definition": "A rigid copper or aluminium conductor that joins cell terminals into series and parallel groups, and modules into the pack. Its cross-section is sized for current and heating, and its joints — welded or bolted — are a classic source of resistance and failure.",
        "related": [
          "series-parallel",
          "terminal",
          "laser-welding",
          "internal-resistance",
          "wire-bonding"
        ],
        "url": "https://lemonergy.com/learn/glossary/busbar/",
        "mentions": []
      }
    },
    {
      "id": "term:voltage",
      "type": "Term",
      "label": "Voltage",
      "properties": {
        "id": "voltage",
        "name": "Voltage",
        "aka": [
          "terminal voltage"
        ],
        "section": "topic-units",
        "definition": "The potential difference between a cell’s two terminals. It comes from the chemical difference between the electrodes, moves with state of charge, and sags under load because of internal resistance.",
        "unit": "V",
        "related": [
          "open-circuit-voltage",
          "nominal-voltage",
          "internal-resistance",
          "ir-drop"
        ],
        "lesson": "fundamentals/cell-anatomy/#voltage",
        "url": "https://lemonergy.com/learn/glossary/voltage/",
        "mentions": [
          "state-of-charge"
        ]
      }
    },
    {
      "id": "term:cylindrical-cell",
      "type": "Term",
      "label": "Cylindrical cell",
      "properties": {
        "id": "cylindrical-cell",
        "name": "Cylindrical cell",
        "aka": [
          "18650",
          "21700",
          "4680"
        ],
        "section": "topic-chemistries",
        "definition": "A cell made by winding the electrodes into a jelly roll and sealing it in a round metal can. Sizes are named by their dimensions: a 21700 cell is 21 mm across and 70 mm long.",
        "related": [
          "jelly-roll",
          "can",
          "tabless-design",
          "prismatic-cell",
          "pouch-cell",
          "centre-pin"
        ],
        "lesson": "fundamentals/cell-production/#formats",
        "example": {
          "title": "Shape versus ratings",
          "text": "A cylindrical shape does not supply the model’s capacity, resistance or voltage limits; those belong to the actual cell."
        },
        "url": "https://lemonergy.com/learn/glossary/cylindrical-cell/",
        "mentions": [
          "winding"
        ]
      }
    },
    {
      "id": "term:prismatic-cell",
      "type": "Term",
      "label": "Prismatic cell",
      "properties": {
        "id": "prismatic-cell",
        "name": "Prismatic cell",
        "section": "topic-chemistries",
        "definition": "A cell in a rigid rectangular metal case, holding either a flattened jelly roll or stacked sheets. Large prismatic cells pack tightly into battery packs.",
        "related": [
          "can",
          "jelly-roll",
          "stacking",
          "cylindrical-cell",
          "pouch-cell"
        ],
        "lesson": "fundamentals/cell-production/#formats",
        "example": {
          "title": "Geometry is one constraint",
          "text": "Two rectangular cells can fit similar spaces but use different terminals and electrical ratings."
        },
        "url": "https://lemonergy.com/learn/glossary/prismatic-cell/",
        "mentions": []
      }
    },
    {
      "id": "term:pouch-cell",
      "type": "Term",
      "label": "Pouch cell",
      "properties": {
        "id": "pouch-cell",
        "name": "Pouch cell",
        "aka": [
          "lithium polymer cell",
          "LiPo"
        ],
        "section": "topic-chemistries",
        "definition": "A cell sealed in a flexible bag of aluminium laminated with plastic, holding stacked electrode sheets in larger cells or a flattened wound roll in many small ones. It is light and easy to cool, but needs outside support and can visibly swell if gas forms inside.",
        "related": [
          "pouch-foil",
          "stacking",
          "swelling",
          "degassing",
          "prismatic-cell"
        ],
        "lesson": "fundamentals/cell-production/#formats",
        "example": {
          "title": "Include mechanical support",
          "text": "A pouch encloses layered electrodes. Support provided by the module is part of the complete design, separate from the active layers."
        },
        "url": "https://lemonergy.com/learn/glossary/pouch-cell/",
        "mentions": [
          "electrode"
        ]
      }
    }
  ]
}