{
  "node": {
    "id": "term:immersion-cooling",
    "type": "Term",
    "label": "Immersion cooling",
    "properties": {
      "id": "immersion-cooling",
      "name": "Immersion cooling",
      "section": "topic-thermal",
      "definition": "Bathing the cells directly in a non-conducting dielectric fluid that is pumped to a heat exchanger. It cools every surface evenly and slows thermal propagation, at the cost of fluid mass and sealing.",
      "related": [
        "thermal-management",
        "cooling-plate",
        "thermal-propagation"
      ],
      "url": "https://lemonergy.com/learn/glossary/immersion-cooling/",
      "mentions": [
        "heat-exchanger"
      ]
    }
  },
  "edges": [
    {
      "id": "edge:2936",
      "source": "term:immersion-cooling",
      "target": "topic:topic-thermal",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:2937",
      "source": "term:immersion-cooling",
      "target": "term:thermal-management",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:2938",
      "source": "term:immersion-cooling",
      "target": "term:cooling-plate",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:2939",
      "source": "term:immersion-cooling",
      "target": "term:thermal-propagation",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:mentions/immersion-cooling/heat-exchanger",
      "source": "term:immersion-cooling",
      "target": "term:heat-exchanger",
      "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-thermal",
      "type": "Topic",
      "label": "Thermal management and heat transfer",
      "properties": {
        "id": "topic-thermal",
        "name": "Thermal management and heat transfer",
        "lede": "How heat is made, moved and removed in cells and packs, and the hardware that keeps a battery at the right temperature.",
        "context": "Select spatial detail for the question.",
        "example": "Equal total heat in different layouts can produce different gradients. Average temperature can miss a hot spot.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/battery-aging/",
        "lesson_label": "Open temperature and aging"
      }
    },
    {
      "id": "term:thermal-management",
      "type": "Term",
      "label": "Thermal management",
      "properties": {
        "id": "thermal-management",
        "name": "Thermal management",
        "abbr": "TMS",
        "aka": [
          "battery thermal management system",
          "BTMS"
        ],
        "section": "topic-thermal",
        "definition": "Keeping cells in their comfortable range, roughly 15–35 °C, and within a few degrees of each other: liquid cooling plates, refrigerant plates or immersion for heat removal, and heaters or waste heat for warming before fast charging in the cold.",
        "related": [
          "cooling-plate",
          "thermal-interface-material",
          "operating-temperature",
          "heat-generation",
          "preconditioning",
          "temperature-sensor"
        ],
        "url": "https://lemonergy.com/learn/glossary/thermal-management/",
        "mentions": [
          "fast-charging"
        ]
      }
    },
    {
      "id": "term:cooling-plate",
      "type": "Term",
      "label": "Cooling plate",
      "properties": {
        "id": "cooling-plate",
        "name": "Cooling plate",
        "aka": [
          "cold plate"
        ],
        "section": "topic-thermal",
        "definition": "A flat aluminium channel assembly under or between the cells through which coolant, usually a water–glycol mix, is pumped. Heat crosses from cell to plate through a thermal interface material; the plate also sets the pack’s temperature uniformity.",
        "related": [
          "thermal-management",
          "thermal-interface-material",
          "immersion-cooling"
        ],
        "url": "https://lemonergy.com/learn/glossary/cooling-plate/",
        "mentions": [
          "thermal-gradient",
          "coolant"
        ]
      }
    },
    {
      "id": "term:thermal-propagation",
      "type": "Term",
      "label": "Thermal propagation",
      "properties": {
        "id": "thermal-propagation",
        "name": "Thermal propagation",
        "section": "topic-safety",
        "definition": "Thermal runaway spreading from one cell to its neighbours through conducted heat, hot gas and flame. Pack designs are judged by whether, and how slowly, a single failing cell takes the rest with it.",
        "related": [
          "thermal-runaway",
          "thermal-barrier",
          "venting",
          "module",
          "propagation-test"
        ],
        "url": "https://lemonergy.com/learn/glossary/thermal-propagation/",
        "mentions": []
      }
    },
    {
      "id": "term:heat-exchanger",
      "type": "Term",
      "label": "Heat exchanger",
      "properties": {
        "id": "heat-exchanger",
        "name": "Heat exchanger",
        "section": "topic-thermal",
        "definition": "A device that moves heat between two fluids without mixing them, through thin metal walls with as much area as possible. In battery systems the main examples are the chiller, between refrigerant and coolant, and the radiator, between coolant and air; a cooling plate does the same job between cells and coolant.",
        "related": [
          "chiller",
          "radiator",
          "coolant",
          "cooling-plate",
          "refrigerant-loop"
        ],
        "url": "https://lemonergy.com/learn/glossary/heat-exchanger/",
        "mentions": [
          "mixing"
        ]
      }
    }
  ]
}