{
  "node": {
    "id": "term:pulse-cycle-life",
    "type": "Term",
    "label": "Pulse cycle life",
    "properties": {
      "id": "pulse-cycle-life",
      "name": "Pulse cycle life",
      "aka": [
        "pulse cycles"
      ],
      "section": "topic-ratings",
      "definition": "The number of short, high-current pulses a cell survives, as distinct from full charge–discharge cycles. A sheet that prints 20,000 pulse cycles beside a few thousand full cycles is counting much shallower events, so the two numbers cannot be compared or added.",
      "related": [
        "cycle-life",
        "continuous-current",
        "pulse-test",
        "depth-of-discharge"
      ],
      "url": "https://lemonergy.com/learn/glossary/pulse-cycle-life/",
      "mentions": []
    }
  },
  "edges": [
    {
      "id": "edge:belongsTo/term:pulse-cycle-life/topic:topic-ratings",
      "source": "term:pulse-cycle-life",
      "target": "topic:topic-ratings",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:relatedTo/term:pulse-cycle-life/term:cycle-life",
      "source": "term:pulse-cycle-life",
      "target": "term:cycle-life",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:pulse-cycle-life/term:continuous-current",
      "source": "term:pulse-cycle-life",
      "target": "term:continuous-current",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:pulse-cycle-life/term:pulse-test",
      "source": "term:pulse-cycle-life",
      "target": "term:pulse-test",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:relatedTo/term:pulse-cycle-life/term:depth-of-discharge",
      "source": "term:pulse-cycle-life",
      "target": "term:depth-of-discharge",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "id": "topic:topic-ratings",
      "type": "Topic",
      "label": "Capacity, energy, power and ratings",
      "properties": {
        "id": "topic-ratings",
        "name": "Capacity, energy, power and ratings",
        "lede": "The numbers that size a cell and let two cells be compared.",
        "context": "Separate nameplate ratings from test results.",
        "example": "5 Ah at 3.6 V gives 18 Wh nominally. Integrated measured terminal power may give a different result.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/capacity-and-c-rate/",
        "lesson_label": "Open capacity and C-rate"
      }
    },
    {
      "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:continuous-current",
      "type": "Term",
      "label": "Continuous and peak current",
      "properties": {
        "id": "continuous-current",
        "name": "Continuous and peak current",
        "section": "topic-ratings",
        "definition": "The current a cell can supply indefinitely without exceeding its temperature limit, and the higher current it can supply for a stated few seconds. Peak ratings are only valid for the duration and starting temperature given.",
        "unit": "A",
        "related": [
          "c-rate",
          "datasheet",
          "state-of-power",
          "derating",
          "pulse-cycle-life"
        ],
        "aka": [
          "peak current",
          "pulse current"
        ],
        "url": "https://lemonergy.com/learn/glossary/continuous-current/",
        "mentions": []
      }
    },
    {
      "id": "term:pulse-test",
      "type": "Term",
      "label": "Pulse test",
      "properties": {
        "id": "pulse-test",
        "name": "Pulse test",
        "aka": [
          "current pulse test",
          "DC pulse"
        ],
        "section": "topic-testing",
        "definition": "Applying a current step of defined size and duration and recording the voltage response. The instant voltage step gives the ohmic resistance, the following curve the slower polarization; HPPC is a standardised sequence of such pulses across state of charge.",
        "related": [
          "hppc",
          "dcir",
          "internal-resistance",
          "relaxation",
          "equivalent-circuit-model"
        ],
        "url": "https://lemonergy.com/learn/glossary/pulse-test/",
        "mentions": [
          "polarization",
          "state-of-charge"
        ]
      }
    },
    {
      "id": "term:depth-of-discharge",
      "type": "Term",
      "label": "Depth of discharge",
      "properties": {
        "id": "depth-of-discharge",
        "name": "Depth of discharge",
        "abbr": "DOD",
        "section": "topic-state",
        "definition": "How much of a cell’s capacity is used in a cycle. Deep cycles cause more mechanical stress in the active materials than shallow ones.",
        "unit": "%",
        "related": [
          "state-of-charge",
          "cycle-life",
          "particle-cracking",
          "usable-capacity"
        ],
        "lesson": "fundamentals/battery-aging/#cracking",
        "url": "https://lemonergy.com/learn/glossary/depth-of-discharge/",
        "mentions": []
      }
    }
  ]
}