{
  "node": {
    "id": "term:conformal-coating",
    "type": "Term",
    "label": "Conformal coating",
    "properties": {
      "id": "conformal-coating",
      "name": "Conformal coating",
      "aka": [
        "PCB coating",
        "parylene coating"
      ],
      "section": "topic-data",
      "definition": "A thin polymer film — acrylic, silicone, polyurethane or parylene, tens of micrometres thick — sprayed, dipped or vapour-deposited over a circuit board so that it follows the components. It keeps condensation, dust and electrolyte vapour off BMS electronics at far less mass than potting, but gives no mechanical support.",
      "related": [
        "potting-compound",
        "bms",
        "ip-rating",
        "flexible-printed-circuit"
      ],
      "url": "https://lemonergy.com/learn/glossary/conformal-coating/",
      "mentions": [
        "electrolyte"
      ]
    }
  },
  "edges": [
    {
      "id": "edge:belongsTo/term:conformal-coating/topic:topic-data",
      "source": "term:conformal-coating",
      "target": "topic:topic-data",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:relatedTo/term:conformal-coating/term:potting-compound",
      "source": "term:conformal-coating",
      "target": "term:potting-compound",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:conformal-coating/term:bms",
      "source": "term:conformal-coating",
      "target": "term:bms",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:conformal-coating/term:ip-rating",
      "source": "term:conformal-coating",
      "target": "term:ip-rating",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:conformal-coating/term:flexible-printed-circuit",
      "source": "term:conformal-coating",
      "target": "term:flexible-printed-circuit",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:mentions/conformal-coating/electrolyte",
      "source": "term:conformal-coating",
      "target": "term:electrolyte",
      "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-data",
      "type": "Topic",
      "label": "Data, communication and electronics",
      "properties": {
        "id": "topic-data",
        "name": "Data, communication and electronics",
        "lede": "The control units, chips, protocols and file formats through which a battery is measured, controlled and logged.",
        "context": "Separate quantities from encoding and transport.",
        "example": "2500 in a log might mean 25.00 °C, 2.5 V or raw counts. Units and scale must accompany the value.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/battery-basics/",
        "lesson_label": "Open battery basics"
      }
    },
    {
      "id": "term:potting-compound",
      "type": "Term",
      "label": "Potting compound",
      "properties": {
        "id": "potting-compound",
        "name": "Potting compound",
        "aka": [
          "potting",
          "encapsulant"
        ],
        "section": "topic-pack",
        "definition": "A liquid resin — polyurethane, silicone or epoxy, sometimes foamed — poured around cells or electronics and cured into a solid block. It fixes cells against vibration, insulates them and can slow thermal propagation; some structural packs fill every gap between cylindrical cells with it. The cost is mass and a pack that is hard to repair or recycle.",
        "related": [
          "structural-adhesive",
          "thermal-propagation",
          "design-for-recycling",
          "dismantling",
          "vibration-test",
          "conformal-coating"
        ],
        "url": "https://lemonergy.com/learn/glossary/potting-compound/",
        "mentions": []
      }
    },
    {
      "id": "term:bms",
      "type": "Term",
      "label": "Battery management system",
      "properties": {
        "id": "bms",
        "name": "Battery management system",
        "abbr": "BMS",
        "section": "topic-pack",
        "definition": "The electronics and software that keep a battery inside its safe window: measuring every cell voltage and many temperatures, estimating SOC and SOH, balancing cells, computing current limits, controlling the contactors and reporting over the vehicle network.",
        "related": [
          "state-of-charge",
          "cell-balancing",
          "state-of-power",
          "cell-supervision-circuit",
          "contactor",
          "can-bus"
        ],
        "lesson": "fundamentals/battery-basics/#cell-module-pack",
        "url": "https://lemonergy.com/learn/glossary/bms/",
        "mentions": [
          "state-of-health",
          "cell-voltage"
        ]
      }
    },
    {
      "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:flexible-printed-circuit",
      "type": "Term",
      "label": "Flexible printed circuit",
      "properties": {
        "id": "flexible-printed-circuit",
        "name": "Flexible printed circuit",
        "abbr": "FPC",
        "aka": [
          "flex circuit",
          "flexible PCB"
        ],
        "section": "topic-data",
        "definition": "Copper traces laminated between thin polyimide or PET films, replacing the round-wire sense harness in many modules. Joined by nickel tabs to each busbar, it carries cell voltages and thermistor signals to the monitoring chip, often comes pre-assembled with the busbar carrier, and saves weight and wiring errors.",
        "related": [
          "voltage-sense",
          "wiring-harness",
          "cell-supervision-circuit",
          "temperature-sensor",
          "busbar"
        ],
        "url": "https://lemonergy.com/learn/glossary/flexible-printed-circuit/",
        "mentions": []
      }
    },
    {
      "id": "term:electrolyte",
      "type": "Term",
      "label": "Electrolyte",
      "properties": {
        "id": "electrolyte",
        "name": "Electrolyte",
        "section": "topic-electrolytes",
        "definition": "The ion-conducting medium between the electrodes. In a liquid-electrolyte cell it fills the pores of both electrodes and the separator, so it is not a separate structural layer.",
        "related": [
          "lithium-salt",
          "carbonate-solvent",
          "electrolyte-additive",
          "ionic-conductivity",
          "solid-electrolyte",
          "ionic-liquid-electrolyte"
        ],
        "lesson": "fundamentals/cell-architecture/#electrolyte",
        "example": {
          "title": "Ions and electrons",
          "text": "Electrolyte carries ions between electrodes; the external circuit carries electrons. The two paths serve different roles."
        },
        "url": "https://lemonergy.com/learn/glossary/electrolyte/",
        "mentions": [
          "separator"
        ]
      }
    }
  ]
}