{
  "node": {
    "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": []
    }
  },
  "edges": [
    {
      "id": "edge:2953",
      "source": "term:enclosure",
      "target": "topic:topic-pack",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:2954",
      "source": "term:enclosure",
      "target": "term:pack",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:2955",
      "source": "term:enclosure",
      "target": "term:ip-rating",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:2956",
      "source": "term:enclosure",
      "target": "term:cell-to-chassis",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:2957",
      "source": "term:enclosure",
      "target": "term:venting",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:2958",
      "source": "term:enclosure",
      "target": "term:gigacasting",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:2959",
      "source": "term:enclosure",
      "target": "term:ul-94",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; 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:pack",
      "type": "Term",
      "label": "Battery pack",
      "properties": {
        "id": "pack",
        "name": "Battery pack",
        "section": "topic-pack",
        "definition": "The complete battery as installed: modules or cells, the BMS, contactors and fuses, busbars, cooling, sensors and an enclosure. Its energy is the sum of its cells’ energies; its mass and volume are a good deal more.",
        "related": [
          "module",
          "bms",
          "battery-disconnect-unit",
          "thermal-management",
          "cell-to-pack-ratio",
          "enclosure"
        ],
        "lesson": "fundamentals/battery-basics/#cell-module-pack",
        "url": "https://lemonergy.com/learn/glossary/pack/",
        "mentions": []
      }
    },
    {
      "id": "term:ip-rating",
      "type": "Term",
      "label": "IP rating",
      "properties": {
        "id": "ip-rating",
        "name": "IP rating",
        "aka": [
          "ingress protection"
        ],
        "section": "topic-pack",
        "definition": "A two-digit code for how well an enclosure keeps out solids and water: the first digit for dust, the second for water. Battery packs are typically IP67, dust-tight and able to survive brief immersion.",
        "related": [
          "enclosure",
          "pack",
          "immersion-test"
        ],
        "url": "https://lemonergy.com/learn/glossary/ip-rating/",
        "mentions": []
      }
    },
    {
      "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:venting",
      "type": "Term",
      "label": "Venting",
      "properties": {
        "id": "venting",
        "name": "Venting",
        "section": "topic-safety",
        "definition": "The controlled release of gas and vapour from a cell whose internal pressure has risen too far, through a vent designed to open before the case bursts. The vented gas is flammable and toxic, so packs route it away from occupants.",
        "related": [
          "vent",
          "gas-generation",
          "thermal-runaway",
          "off-gas"
        ],
        "url": "https://lemonergy.com/learn/glossary/venting/",
        "mentions": []
      }
    },
    {
      "id": "term:gigacasting",
      "type": "Term",
      "label": "Gigacasting",
      "properties": {
        "id": "gigacasting",
        "name": "Gigacasting",
        "aka": [
          "giga casting",
          "megacasting",
          "Giga Press"
        ],
        "section": "topic-manufacturing",
        "definition": "Casting a large vehicle structure, such as a whole front or rear underbody, in one piece on an aluminium high-pressure die-casting machine with a locking force of 6,000 tonnes or more. It replaces dozens of stamped and welded parts; in some vehicles a structural battery pack bolts in between the front and rear castings to form the floor.",
        "related": [
          "cell-to-chassis",
          "enclosure",
          "friction-stir-welding",
          "electric-vehicle"
        ],
        "url": "https://lemonergy.com/learn/glossary/gigacasting/",
        "mentions": []
      }
    },
    {
      "id": "term:ul-94",
      "type": "Term",
      "label": "UL 94",
      "properties": {
        "id": "ul-94",
        "name": "UL 94",
        "aka": [
          "UL 94 V-0",
          "V-0 rating",
          "flame rating"
        ],
        "section": "topic-safety",
        "definition": "UL’s flammability standard for plastic parts in devices and appliances. In its vertical test a strip is flamed twice for 10 s; V-0, the strictest vertical class, requires burning to stop within 10 s each time, at most 50 s in total over five strips, and no drips that ignite cotton. Cell holders and module covers commonly specify V-0.",
        "related": [
          "flammability",
          "enclosure",
          "thermal-propagation",
          "thermal-barrier"
        ],
        "url": "https://lemonergy.com/learn/glossary/ul-94/",
        "mentions": []
      }
    }
  ]
}