{
  "node": {
    "id": "term:electrode-to-pack",
    "type": "Term",
    "label": "Electrode-to-pack",
    "properties": {
      "id": "electrode-to-pack",
      "name": "Electrode-to-pack",
      "abbr": "ETP",
      "aka": [
        "E2P",
        "ETOP"
      ],
      "section": "topic-pack",
      "definition": "A pack concept that skips both the cell can and the module: electrode stacks sealed in thin film are placed directly in the pack enclosure and connected there. 24M, which proposed it, claims electrodes could fill about 80% of pack volume against 30–60% in conventional packs — a step beyond cell-to-pack.",
      "related": [
        "cell-to-pack",
        "cell-to-module-to-pack",
        "cell-to-pack-ratio",
        "cell-to-chassis",
        "pouch-cell"
      ],
      "url": "https://lemonergy.com/learn/glossary/electrode-to-pack/",
      "mentions": [
        "electrode",
        "enclosure"
      ]
    }
  },
  "edges": [
    {
      "id": "edge:4949",
      "source": "term:electrode-to-pack",
      "target": "topic:topic-pack",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:4950",
      "source": "term:electrode-to-pack",
      "target": "term:cell-to-pack",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:4951",
      "source": "term:electrode-to-pack",
      "target": "term:cell-to-module-to-pack",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:4952",
      "source": "term:electrode-to-pack",
      "target": "term:cell-to-pack-ratio",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:4953",
      "source": "term:electrode-to-pack",
      "target": "term:cell-to-chassis",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:4954",
      "source": "term:electrode-to-pack",
      "target": "term:pouch-cell",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:mentions/electrode-to-pack/electrode",
      "source": "term:electrode-to-pack",
      "target": "term:electrode",
      "type": "mentions",
      "properties": {
        "sourceFile": "terms.json",
        "method": "build_glossary.mention_index + mentions",
        "field": "definition",
        "meaning": "Text mention; not a causal claim"
      }
    },
    {
      "id": "edge:mentions/electrode-to-pack/enclosure",
      "source": "term:electrode-to-pack",
      "target": "term:enclosure",
      "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-pack",
      "type": "Topic",
      "label": "Modules, packs and battery management",
      "properties": {
        "id": "topic-pack",
        "name": "Modules, packs and battery management",
        "lede": "From a single cell to a working battery system, and the electronics that keep it safe.",
        "context": "Make series/parallel architecture explicit.",
        "example": "Twelve 3.6 V, 5 Ah cells in 6s2p give 21.6 V, 10 Ah and 216 Wh nominally before other restrictions.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/cell-architecture/",
        "lesson_label": "Open cell architecture"
      }
    },
    {
      "id": "term:cell-to-pack",
      "type": "Term",
      "label": "Cell-to-pack",
      "properties": {
        "id": "cell-to-pack",
        "name": "Cell-to-pack",
        "abbr": "CTP",
        "section": "topic-pack",
        "definition": "Building the pack directly from cells without the intermediate module, using large-format cells that bear load themselves. It raises the cell-to-pack ratio and cuts parts, at the cost of making the pack harder to service.",
        "related": [
          "module",
          "cell-to-pack-ratio",
          "cell-to-chassis",
          "blade-cell",
          "ab-battery-system"
        ],
        "url": "https://lemonergy.com/learn/glossary/cell-to-pack/",
        "mentions": []
      }
    },
    {
      "id": "term:cell-to-module-to-pack",
      "type": "Term",
      "label": "Cell-to-module-to-pack",
      "properties": {
        "id": "cell-to-module-to-pack",
        "name": "Cell-to-module-to-pack",
        "aka": [
          "cell-to-module",
          "CTM",
          "module-based pack"
        ],
        "section": "topic-pack",
        "definition": "The conventional three-level pack build: cells are assembled into modules with their own frames, sensing and connectors, and modules into the pack. Modules simplify handling, testing and repair — a faulty one can be swapped — but their frames and spacing take mass and volume that cell-to-pack designs reclaim.",
        "related": [
          "module",
          "cell-to-pack",
          "pack",
          "cell-to-pack-ratio",
          "electrode-to-pack",
          "remanufacturing"
        ],
        "url": "https://lemonergy.com/learn/glossary/cell-to-module-to-pack/",
        "mentions": []
      }
    },
    {
      "id": "term:cell-to-pack-ratio",
      "type": "Term",
      "label": "Cell-to-pack ratio",
      "properties": {
        "id": "cell-to-pack-ratio",
        "name": "Cell-to-pack ratio",
        "aka": [
          "gravimetric cell-to-pack ratio",
          "GCTP"
        ],
        "section": "topic-ratings",
        "definition": "The share of a pack’s mass or volume that is cells rather than housing, cooling, busbars and electronics. It is typically 60–75 % by mass; raising it is the point of cell-to-pack and cell-to-chassis designs.",
        "unit": "%",
        "related": [
          "cell-to-pack",
          "specific-energy",
          "pack"
        ],
        "url": "https://lemonergy.com/learn/glossary/cell-to-pack-ratio/",
        "mentions": [
          "cell-to-chassis"
        ]
      }
    },
    {
      "id": "term:cell-to-chassis",
      "type": "Term",
      "label": "Cell-to-chassis",
      "properties": {
        "id": "cell-to-chassis",
        "name": "Cell-to-chassis",
        "abbr": "CTC",
        "aka": [
          "cell-to-body",
          "structural battery"
        ],
        "section": "topic-pack",
        "definition": "Integrating the cells into the vehicle floor itself, so the battery enclosure is the chassis and the cells help carry its loads. It saves mass and height but binds the battery to the car for life.",
        "related": [
          "cell-to-pack",
          "enclosure",
          "cell-to-pack-ratio"
        ],
        "url": "https://lemonergy.com/learn/glossary/cell-to-chassis/",
        "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"
        ]
      }
    },
    {
      "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"
        ]
      }
    },
    {
      "id": "term:enclosure",
      "type": "Term",
      "label": "Enclosure",
      "properties": {
        "id": "enclosure",
        "name": "Enclosure",
        "aka": [
          "battery housing",
          "battery tray"
        ],
        "section": "topic-pack",
        "definition": "The sealed case that carries the modules, protects them in a crash, keeps water out to an IP67 rating or better and vents gas in a thermal event. In many cars it is a structural part of the body.",
        "related": [
          "pack",
          "ip-rating",
          "cell-to-chassis",
          "venting",
          "gigacasting",
          "ul-94"
        ],
        "url": "https://lemonergy.com/learn/glossary/enclosure/",
        "mentions": []
      }
    }
  ]
}