{
  "node": {
    "id": "term:electronic-path",
    "type": "Term",
    "label": "Electronic path",
    "properties": {
      "id": "electronic-path",
      "name": "Electronic path",
      "section": "topic-electrochemistry",
      "definition": "The route electrons take during operation: from active particle through carbon additive to the foil, out through the tab and the external circuit, and back in at the other electrode. Everything on it adds resistance.",
      "related": [
        "ionic-path",
        "current-collector",
        "conductive-additive",
        "internal-resistance"
      ],
      "lesson": "fundamentals/cell-anatomy/#discharge",
      "url": "https://lemonergy.com/learn/glossary/electronic-path/",
      "mentions": [
        "electrode"
      ]
    }
  },
  "edges": [
    {
      "id": "edge:2012",
      "source": "term:electronic-path",
      "target": "topic:topic-electrochemistry",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:2013",
      "source": "term:electronic-path",
      "target": "term:ionic-path",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:2014",
      "source": "term:electronic-path",
      "target": "term:current-collector",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:2015",
      "source": "term:electronic-path",
      "target": "term:conductive-additive",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:2016",
      "source": "term:electronic-path",
      "target": "term:internal-resistance",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:mentions/electronic-path/electrode",
      "source": "term:electronic-path",
      "target": "term:electrode",
      "type": "mentions",
      "properties": {
        "sourceFile": "terms.json",
        "method": "build_glossary.mention_index + mentions",
        "field": "definition",
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    {
      "id": "edge:2018",
      "source": "term:electronic-path",
      "target": "lesson:fundamentals/cell-anatomy/",
      "type": "explainedIn",
      "properties": {
        "sourceFile": "terms.json",
        "url": "https://lemonergy.com/learn/fundamentals/cell-anatomy/#discharge"
      }
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    {
      "id": "topic:topic-electrochemistry",
      "type": "Topic",
      "label": "Electrochemistry fundamentals",
      "properties": {
        "id": "topic-electrochemistry",
        "name": "Electrochemistry fundamentals",
        "lede": "The reactions and potentials that make a cell a battery.",
        "context": "Connect reaction sites and transport paths.",
        "example": "A circuit can predict terminal voltage while leaving electrode potentials and reaction kinetics unresolved.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/cell-anatomy/",
        "lesson_label": "Open cell anatomy"
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      "id": "term:ionic-path",
      "type": "Term",
      "label": "Ionic path",
      "properties": {
        "id": "ionic-path",
        "name": "Ionic path",
        "section": "topic-electrochemistry",
        "definition": "The route lithium ions take: out of one electrode’s particles, through the electrolyte in its pores, across the separator and into the particles of the other electrode. The electrons and ions arrive together, so the slower of the two paths limits the cell.",
        "related": [
          "electronic-path",
          "electrolyte",
          "separator",
          "tortuosity",
          "diffusion",
          "ion"
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        "lesson": "fundamentals/cell-anatomy/#discharge",
        "url": "https://lemonergy.com/learn/glossary/ionic-path/",
        "mentions": [
          "electrode"
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      "id": "term:current-collector",
      "type": "Term",
      "label": "Current collector",
      "properties": {
        "id": "current-collector",
        "name": "Current collector",
        "section": "topic-components",
        "definition": "The thin metal foil that carries electrons between an electrode and the external circuit — usually copper on the negative side and aluminium on the positive side.",
        "related": [
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          "aluminium-foil",
          "tab",
          "electronic-path"
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          "title": "Follow current to a tab",
          "text": "Current converges through foil toward the tab. The collector contributes mass and resistance without being the principal active material."
        },
        "url": "https://lemonergy.com/learn/glossary/current-collector/",
        "mentions": [
          "electrode"
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      "id": "term:conductive-additive",
      "type": "Term",
      "label": "Conductive additive",
      "properties": {
        "id": "conductive-additive",
        "name": "Conductive additive",
        "aka": [
          "carbon black",
          "conductive carbon"
        ],
        "section": "topic-components",
        "definition": "Fine carbon, such as carbon black or carbon nanotubes, added in small amounts to an electrode so that electrons can reach every active particle. Many active materials conduct electrons poorly on their own.",
        "related": [
          "active-material",
          "binder",
          "electronic-conductivity",
          "slurry"
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        "lesson": "fundamentals/cell-architecture/#composite",
        "example": {
          "title": "Distribution matters",
          "text": "Two coatings with the same additive mass can have different electronic connectivity if the additive is distributed differently."
        },
        "url": "https://lemonergy.com/learn/glossary/conductive-additive/",
        "mentions": [
          "electrode",
          "carbon-nanotube"
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    {
      "id": "term:internal-resistance",
      "type": "Term",
      "label": "Internal resistance",
      "properties": {
        "id": "internal-resistance",
        "name": "Internal resistance",
        "abbr": "IR",
        "aka": [
          "DC resistance",
          "DCIR"
        ],
        "section": "topic-units",
        "definition": "The resistance a cell presents to current, from its foils, electrolyte, interfaces and the reactions themselves. It converts part of the delivered energy into heat, sets the voltage drop under load, and rises as the cell ages; a large automotive cell has about a milliohm, a small cylindrical cell tens.",
        "unit": "mΩ",
        "related": [
          "ohms-law",
          "ir-drop",
          "impedance-rise",
          "dcir",
          "area-specific-resistance",
          "resistance-capacity-product"
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        "lesson": "fundamentals/battery-basics/#datasheet",
        "url": "https://lemonergy.com/learn/glossary/internal-resistance/",
        "mentions": [
          "electrolyte",
          "cylindrical-cell"
        ]
      }
    },
    {
      "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": "lesson:fundamentals/cell-anatomy/",
      "type": "Lesson",
      "label": "Lesson 1 · Cell anatomy",
      "properties": {
        "url": "https://lemonergy.com/learn/fundamentals/cell-anatomy/"
      }
    }
  ]
}