{
  "node": {
    "id": "term:rocking-chair",
    "type": "Term",
    "label": "Rocking-chair mechanism",
    "properties": {
      "id": "rocking-chair",
      "name": "Rocking-chair mechanism",
      "section": "topic-chemistries",
      "definition": "The working principle of a lithium-ion cell: lithium ions rock back and forth between host electrodes and are neither plated nor dissolved. Because the electrodes are only hosts, the ion count stays fixed and the cell can cycle thousands of times.",
      "related": [
        "lithium-ion",
        "intercalation",
        "lithium-metal-battery"
      ],
      "url": "https://lemonergy.com/learn/glossary/rocking-chair/",
      "mentions": []
    }
  },
  "edges": [
    {
      "id": "edge:650",
      "source": "term:rocking-chair",
      "target": "topic:topic-chemistries",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:651",
      "source": "term:rocking-chair",
      "target": "term:lithium-ion",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:652",
      "source": "term:rocking-chair",
      "target": "term:intercalation",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:653",
      "source": "term:rocking-chair",
      "target": "term:lithium-metal-battery",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "id": "topic:topic-chemistries",
      "type": "Topic",
      "label": "Lithium-ion chemistries and cell formats",
      "properties": {
        "id": "topic-chemistries",
        "name": "Lithium-ion chemistries and cell formats",
        "lede": "The electrode materials that define a lithium-ion cell, the crystal structures behind them, and the shapes cells are built in.",
        "context": "Separate chemistry from form factor.",
        "example": "Two cylindrical cells can share dimensions yet differ in cathode, capacity and current limits.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/cell-architecture/",
        "lesson_label": "Open cell architecture"
      }
    },
    {
      "id": "term:lithium-ion",
      "type": "Term",
      "label": "Lithium-ion battery",
      "properties": {
        "id": "lithium-ion",
        "name": "Lithium-ion battery",
        "abbr": "Li-ion",
        "section": "topic-chemistries",
        "definition": "A rechargeable cell in which lithium ions shuttle between two intercalation electrodes, typically graphite and a lithium metal oxide, through a non-aqueous electrolyte. Commercialised in 1991, it dominates portable electronics, electric vehicles and new grid storage.",
        "related": [
          "intercalation",
          "graphite",
          "nmc",
          "lfp",
          "rocking-chair",
          "lithium"
        ],
        "lesson": "fundamentals/battery-basics/#how-it-works",
        "url": "https://lemonergy.com/learn/glossary/lithium-ion/",
        "mentions": [
          "electrolyte"
        ]
      }
    },
    {
      "id": "term:intercalation",
      "type": "Term",
      "label": "Intercalation",
      "properties": {
        "id": "intercalation",
        "name": "Intercalation",
        "section": "topic-electrochemistry",
        "definition": "Lithium inserting into, and leaving, the host structure of an electrode material — between graphite layers, for example — without destroying it.",
        "related": [
          "graphite",
          "rocking-chair",
          "lithium-plating",
          "conversion-reaction",
          "alloying"
        ],
        "lesson": "fundamentals/battery-aging/#plating",
        "url": "https://lemonergy.com/learn/glossary/intercalation/",
        "mentions": [
          "electrode"
        ]
      }
    },
    {
      "id": "term:lithium-metal-battery",
      "type": "Term",
      "label": "Lithium-metal battery",
      "properties": {
        "id": "lithium-metal-battery",
        "name": "Lithium-metal battery",
        "section": "topic-other-chemistries",
        "definition": "A rechargeable cell whose negative electrode is lithium metal rather than a host material. It promises much higher energy density than lithium-ion, but lithium deposits unevenly on charge, so dendrites and short life have kept it from the mass market.",
        "related": [
          "lithium-metal-anode",
          "dendrite",
          "solid-state-battery",
          "anode-free"
        ],
        "url": "https://lemonergy.com/learn/glossary/lithium-metal-battery/",
        "mentions": [
          "electrode",
          "negative-electrode",
          "energy-density"
        ]
      }
    }
  ]
}