{
  "node": {
    "id": "term:short-circuit-test",
    "type": "Term",
    "label": "External short-circuit test",
    "properties": {
      "id": "short-circuit-test",
      "name": "External short-circuit test",
      "section": "topic-safety",
      "definition": "Connecting a charged cell’s terminals through a resistance of a few milliohms and recording temperature and outcome. The result depends as much on the cell’s own resistance and its protective devices as on its chemistry.",
      "related": [
        "external-short-circuit",
        "abuse-testing",
        "ptc",
        "fuse"
      ],
      "url": "https://lemonergy.com/learn/glossary/short-circuit-test/",
      "mentions": []
    }
  },
  "edges": [
    {
      "id": "edge:1747",
      "source": "term:short-circuit-test",
      "target": "topic:topic-safety",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:1748",
      "source": "term:short-circuit-test",
      "target": "term:external-short-circuit",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:1749",
      "source": "term:short-circuit-test",
      "target": "term:abuse-testing",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:1750",
      "source": "term:short-circuit-test",
      "target": "term:ptc",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:1751",
      "source": "term:short-circuit-test",
      "target": "term:fuse",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "id": "topic:topic-safety",
      "type": "Topic",
      "label": "Safety and abuse",
      "properties": {
        "id": "topic-safety",
        "name": "Safety and abuse",
        "lede": "How cells fail dangerously, how that is tested, and what is built in to stop it.",
        "context": "Connect mechanisms with appropriate test evidence.",
        "example": "A low normal-load temperature does not demonstrate thermal-runaway containment.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/battery-aging/",
        "lesson_label": "Open degradation mechanisms"
      }
    },
    {
      "id": "term:external-short-circuit",
      "type": "Term",
      "label": "External short circuit",
      "properties": {
        "id": "external-short-circuit",
        "name": "External short circuit",
        "section": "topic-safety",
        "definition": "A low-resistance connection between the terminals outside the cell, driving currents of hundreds of amperes. Fuses, the current interrupt device and a positive-temperature-coefficient element are the layers of protection against it.",
        "related": [
          "internal-short-circuit",
          "fuse",
          "current-interrupt-device",
          "ptc",
          "short-circuit-test"
        ],
        "url": "https://lemonergy.com/learn/glossary/external-short-circuit/",
        "mentions": []
      }
    },
    {
      "id": "term:abuse-testing",
      "type": "Term",
      "label": "Abuse testing",
      "properties": {
        "id": "abuse-testing",
        "name": "Abuse testing",
        "section": "topic-safety",
        "definition": "Deliberately driving cells and packs beyond their limits — overcharge, crush, nail penetration, external short, heating, drop — to see how they fail. Standards define each test and rank the outcome on a hazard scale from no effect to explosion.",
        "related": [
          "nail-penetration",
          "overcharge-test",
          "crush-test",
          "short-circuit-test",
          "hazard-level",
          "oven-test"
        ],
        "url": "https://lemonergy.com/learn/glossary/abuse-testing/",
        "mentions": [
          "overcharge"
        ]
      }
    },
    {
      "id": "term:ptc",
      "type": "Term",
      "label": "Positive temperature coefficient device",
      "properties": {
        "id": "ptc",
        "name": "Positive temperature coefficient device",
        "abbr": "PTC",
        "section": "topic-safety",
        "definition": "A polymer element in series with a cell whose resistance jumps when it heats, choking an external short-circuit current. It resets as it cools, unlike a fuse, but adds resistance and does not help against internal faults.",
        "related": [
          "external-short-circuit",
          "fuse",
          "current-interrupt-device"
        ],
        "url": "https://lemonergy.com/learn/glossary/ptc/",
        "mentions": []
      }
    },
    {
      "id": "term:fuse",
      "type": "Term",
      "label": "Fuse",
      "properties": {
        "id": "fuse",
        "name": "Fuse",
        "section": "topic-hvsafety",
        "definition": "A link that melts and opens the circuit when current exceeds its rating. Packs use a main fuse in the high-voltage path and often a small fuse on each parallel cell connection, so one shorted cell does not drain its neighbours into the fault.",
        "related": [
          "external-short-circuit",
          "pyrofuse",
          "battery-disconnect-unit",
          "series-parallel",
          "cell-level-fuse"
        ],
        "url": "https://lemonergy.com/learn/glossary/fuse/",
        "mentions": []
      }
    }
  ]
}