{
  "node": {
    "id": "term:iec-61960-3",
    "type": "Term",
    "label": "IEC 61960-3",
    "properties": {
      "id": "iec-61960-3",
      "name": "IEC 61960-3",
      "aka": [
        "IEC 61960",
        "EN 61960-3"
      ],
      "section": "topic-standards-stationary",
      "definition": "The IEC performance standard for portable lithium secondary cells and batteries, cylindrical and prismatic, published in 2017 to replace IEC 61960 of 2011. It sets how rated capacity, low-temperature and high-rate discharge, cycle life and charge retention are measured and declared, and defines the cell designation code; IEC 62133-2 is its safety counterpart.",
      "related": [
        "li-ion-cell-designation",
        "iec-62133",
        "nominal-capacity",
        "cycle-life",
        "iec-62620"
      ],
      "url": "https://lemonergy.com/learn/glossary/iec-61960-3/",
      "mentions": []
    }
  },
  "edges": [
    {
      "id": "edge:belongsTo/term:iec-61960-3/topic:topic-standards-stationary",
      "source": "term:iec-61960-3",
      "target": "topic:topic-standards-stationary",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:relatedTo/term:iec-61960-3/term:li-ion-cell-designation",
      "source": "term:iec-61960-3",
      "target": "term:li-ion-cell-designation",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:iec-61960-3/term:iec-62133",
      "source": "term:iec-61960-3",
      "target": "term:iec-62133",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:iec-61960-3/term:nominal-capacity",
      "source": "term:iec-61960-3",
      "target": "term:nominal-capacity",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:iec-61960-3/term:cycle-life",
      "source": "term:iec-61960-3",
      "target": "term:cycle-life",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:iec-61960-3/term:iec-62620",
      "source": "term:iec-61960-3",
      "target": "term:iec-62620",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "id": "topic:topic-standards-stationary",
      "type": "Topic",
      "label": "Stationary, industrial and product standards",
      "properties": {
        "id": "topic-standards-stationary",
        "name": "Stationary, industrial and product standards",
        "lede": "Safety and performance standards for portable, industrial and grid batteries, their electronics and their installation.",
        "context": "Match scope to product and installation.",
        "example": "A cell-level test does not establish fire performance or commissioning requirements for a complete installation.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/battery-basics/",
        "lesson_label": "Open battery basics"
      }
    },
    {
      "id": "term:li-ion-cell-designation",
      "type": "Term",
      "label": "Lithium-ion cell designation",
      "properties": {
        "id": "li-ion-cell-designation",
        "name": "Lithium-ion cell designation",
        "aka": [
          "IEC 61960 designation",
          "INR18650",
          "ICR18650",
          "IMR",
          "cell type code"
        ],
        "section": "topic-chemistries",
        "definition": "The code IEC 61960-3 gives a portable lithium secondary cell: three letters, then its dimensions. The first letter names the negative electrode — I for carbon, L for lithium metal — the second the positive, such as C cobalt, N nickel, M manganese or Fp iron phosphate, and the third the shape, R round or P prismatic. INR18650 is a nickel-based cell 18 mm across and 65 mm long.",
        "related": [
          "cylindrical-cell",
          "iec-61960-3",
          "lco",
          "nmc",
          "iec-battery-designation",
          "prismatic-cell"
        ],
        "url": "https://lemonergy.com/learn/glossary/li-ion-cell-designation/",
        "mentions": [
          "electrode",
          "negative-electrode",
          "secondary-cell",
          "cobalt",
          "manganese"
        ]
      }
    },
    {
      "id": "term:iec-62133",
      "type": "Term",
      "label": "IEC 62133",
      "properties": {
        "id": "iec-62133",
        "name": "IEC 62133",
        "aka": [
          "IEC 62133-1",
          "IEC 62133-2",
          "EN 62133",
          "UL 62133"
        ],
        "section": "topic-standards-stationary",
        "definition": "The safety standard for portable sealed cells and batteries, part 2 covering lithium systems. Passing it is a basic requirement for consumer products, and it is often the first safety certification a new cell obtains.",
        "related": [
          "ul-1642",
          "transport-regulations",
          "consumer-electronics",
          "iec-62619",
          "iec-61960-3",
          "cb-scheme"
        ],
        "url": "https://lemonergy.com/learn/glossary/iec-62133/",
        "mentions": []
      }
    },
    {
      "id": "term:nominal-capacity",
      "type": "Term",
      "label": "Nominal capacity",
      "properties": {
        "id": "nominal-capacity",
        "name": "Nominal capacity",
        "aka": [
          "rated capacity"
        ],
        "section": "topic-ratings",
        "definition": "The charge a cell is rated to deliver under specified test conditions — current, temperature, rest and voltage limits — usually in ampere-hours.",
        "unit": "Ah",
        "related": [
          "ampere-hour",
          "c-rate",
          "capacity-test",
          "usable-capacity",
          "state-of-health"
        ],
        "lesson": "fundamentals/capacity-and-c-rate/#nominal-capacity",
        "url": "https://lemonergy.com/learn/glossary/nominal-capacity/",
        "mentions": []
      }
    },
    {
      "id": "term:cycle-life",
      "type": "Term",
      "label": "Cycle life",
      "properties": {
        "id": "cycle-life",
        "name": "Cycle life",
        "section": "topic-ratings",
        "definition": "The number of full charge–discharge cycles a cell completes before its capacity falls to a stated fraction, usually 80 %, of its initial value under defined conditions. LFP cells reach several thousand cycles; high-energy NMC fewer.",
        "unit": "cycles",
        "related": [
          "end-of-life",
          "capacity-fade",
          "depth-of-discharge",
          "calendar-life",
          "equivalent-full-cycle",
          "cycle-life-test"
        ],
        "url": "https://lemonergy.com/learn/glossary/cycle-life/",
        "mentions": []
      }
    },
    {
      "id": "term:iec-62620",
      "type": "Term",
      "label": "IEC 62620",
      "properties": {
        "id": "iec-62620",
        "name": "IEC 62620",
        "section": "topic-standards-stationary",
        "definition": "The performance standard for industrial lithium cells and batteries: how to measure and declare capacity, endurance, internal resistance and self-discharge, so that datasheets from different makers can be compared.",
        "related": [
          "iec-62619",
          "datasheet",
          "capacity-test",
          "cycle-life"
        ],
        "url": "https://lemonergy.com/learn/glossary/iec-62620/",
        "mentions": [
          "internal-resistance",
          "self-discharge"
        ]
      }
    }
  ]
}