{
  "node": {
    "id": "term:shipping-soc",
    "type": "Term",
    "label": "Shipping state of charge",
    "properties": {
      "id": "shipping-soc",
      "name": "Shipping state of charge",
      "section": "topic-safety",
      "definition": "The state of charge at which cells leave the factory and travel, kept low to reduce both calendar aging and the energy available in an incident. Air-freight rules cap lithium-ion cells shipped alone at 30 %, and plants often target 10–20 %.",
      "unit": "%",
      "related": [
        "storage-soc",
        "transport-regulations",
        "calendar-aging"
      ],
      "lesson": "fundamentals/cell-production/#finishing",
      "url": "https://lemonergy.com/learn/glossary/shipping-soc/",
      "mentions": [
        "state-of-charge"
      ]
    }
  },
  "edges": [
    {
      "id": "edge:1801",
      "source": "term:shipping-soc",
      "target": "topic:topic-safety",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:1802",
      "source": "term:shipping-soc",
      "target": "term:storage-soc",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:1803",
      "source": "term:shipping-soc",
      "target": "term:transport-regulations",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:1804",
      "source": "term:shipping-soc",
      "target": "term:calendar-aging",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:mentions/shipping-soc/state-of-charge",
      "source": "term:shipping-soc",
      "target": "term:state-of-charge",
      "type": "mentions",
      "properties": {
        "sourceFile": "terms.json",
        "method": "build_glossary.mention_index + mentions",
        "field": "definition",
        "meaning": "Text mention; not a causal claim"
      }
    },
    {
      "id": "edge:1806",
      "source": "term:shipping-soc",
      "target": "lesson:fundamentals/cell-production/",
      "type": "explainedIn",
      "properties": {
        "sourceFile": "terms.json",
        "url": "https://lemonergy.com/learn/fundamentals/cell-production/#finishing"
      }
    }
  ],
  "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:storage-soc",
      "type": "Term",
      "label": "Storage state of charge",
      "properties": {
        "id": "storage-soc",
        "name": "Storage state of charge",
        "section": "topic-aging",
        "definition": "The state of charge at which a cell is kept when idle. Calendar aging rises with SOC because the negative electrode sits at a lower, more reactive potential, so cells are shipped and stored at 30–50 % rather than full.",
        "unit": "%",
        "related": [
          "calendar-aging",
          "state-of-charge",
          "shipping-soc"
        ],
        "lesson": "fundamentals/battery-aging/#storage-soc",
        "url": "https://lemonergy.com/learn/glossary/storage-soc/",
        "mentions": [
          "electrode",
          "negative-electrode"
        ]
      }
    },
    {
      "id": "term:transport-regulations",
      "type": "Term",
      "label": "UN 38.3",
      "properties": {
        "id": "transport-regulations",
        "name": "UN 38.3",
        "aka": [
          "UN transport test",
          "lithium battery shipping"
        ],
        "section": "topic-standards-vehicle",
        "definition": "The United Nations test sequence that every lithium cell and battery must pass before it can be shipped: altitude, thermal cycling, vibration, shock, external short, impact or crush, overcharge and forced discharge. Air shipment of cells also caps state of charge at 30 %.",
        "related": [
          "shipping-soc",
          "abuse-testing",
          "iec-62133",
          "altitude-simulation-test"
        ],
        "url": "https://lemonergy.com/learn/glossary/transport-regulations/",
        "mentions": [
          "overcharge",
          "state-of-charge"
        ]
      }
    },
    {
      "id": "term:calendar-aging",
      "type": "Term",
      "label": "Calendar aging",
      "properties": {
        "id": "calendar-aging",
        "name": "Calendar aging",
        "section": "topic-aging",
        "definition": "Degradation that happens with time even when a cell is not cycled — in storage, for example. It is driven mainly by side reactions such as SEI growth and accelerates with temperature.",
        "related": [
          "cycle-aging",
          "sei",
          "arrhenius",
          "square-root-of-time",
          "calendar-life"
        ],
        "lesson": "fundamentals/battery-aging/#whole-cell",
        "url": "https://lemonergy.com/learn/glossary/calendar-aging/",
        "mentions": []
      }
    },
    {
      "id": "term:state-of-charge",
      "type": "Term",
      "label": "State of charge",
      "properties": {
        "id": "state-of-charge",
        "name": "State of charge",
        "abbr": "SOC",
        "section": "topic-state",
        "definition": "How full a cell is, as a fraction of its available capacity. State of charge, like temperature, affects how fast a stored cell ages.",
        "unit": "%",
        "related": [
          "depth-of-discharge",
          "ocv-soc-curve",
          "coulomb-counting",
          "state-of-health",
          "bms"
        ],
        "lesson": "fundamentals/battery-aging/#storage-soc",
        "example": {
          "title": "Interpret a charge inventory",
          "text": "If available capacity is 5 Ah and 3 Ah remains by the chosen estimator, SOC is 60%. A different estimate of available capacity changes this percentage, so compare SOC values only with the capacity convention recorded."
        },
        "url": "https://lemonergy.com/learn/glossary/state-of-charge/",
        "mentions": [
          "usable-capacity"
        ]
      }
    },
    {
      "id": "lesson:fundamentals/cell-production/",
      "type": "Lesson",
      "label": "Lesson 3 · Cell production",
      "properties": {
        "url": "https://lemonergy.com/learn/fundamentals/cell-production/"
      }
    }
  ]
}