{
  "node": {
    "id": "term:slitting",
    "type": "Term",
    "label": "Slitting",
    "properties": {
      "id": "slitting",
      "name": "Slitting",
      "section": "topic-manufacturing",
      "definition": "Cutting the wide coated roll into the narrow strips a cell needs, with rotary knives. A clean edge matters: burrs can pierce the separator and cause an internal short.",
      "related": [
        "notching",
        "internal-short-circuit",
        "calendering"
      ],
      "lesson": "fundamentals/cell-production/#electrodes",
      "example": {
        "title": "Check width and edges",
        "text": "Cutting a coated roll to width creates new edges. Width accuracy and edge quality are separate checks."
      },
      "url": "https://lemonergy.com/learn/glossary/slitting/",
      "mentions": [
        "separator",
        "burr"
      ]
    }
  },
  "edges": [
    {
      "id": "edge:2335",
      "source": "term:slitting",
      "target": "topic:topic-manufacturing",
      "type": "belongsTo",
      "properties": {
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      }
    },
    {
      "id": "edge:2336",
      "source": "term:slitting",
      "target": "term:notching",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:2337",
      "source": "term:slitting",
      "target": "term:internal-short-circuit",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:2338",
      "source": "term:slitting",
      "target": "term:calendering",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:mentions/slitting/separator",
      "source": "term:slitting",
      "target": "term:separator",
      "type": "mentions",
      "properties": {
        "sourceFile": "terms.json",
        "method": "build_glossary.mention_index + mentions",
        "field": "definition",
        "meaning": "Text mention; not a causal claim"
      }
    },
    {
      "id": "edge:mentions/slitting/burr",
      "source": "term:slitting",
      "target": "term:burr",
      "type": "mentions",
      "properties": {
        "sourceFile": "terms.json",
        "method": "build_glossary.mention_index + mentions",
        "field": "definition",
        "meaning": "Text mention; not a causal claim"
      }
    },
    {
      "id": "edge:2341",
      "source": "term:slitting",
      "target": "lesson:fundamentals/cell-production/",
      "type": "explainedIn",
      "properties": {
        "sourceFile": "terms.json",
        "url": "https://lemonergy.com/learn/fundamentals/cell-production/#electrodes"
      }
    },
    {
      "id": "edge:2342",
      "source": "term:slitting",
      "target": "reference:liu-manufacturing",
      "type": "cites",
      "properties": {
        "sourceFile": "wiki-references.json",
        "scope": "direct technical reference"
      }
    }
  ],
  "neighbors": [
    {
      "id": "topic:topic-manufacturing",
      "type": "Topic",
      "label": "Manufacturing",
      "properties": {
        "id": "topic-manufacturing",
        "name": "Manufacturing",
        "lede": "The steps that turn powders and foils into a finished cell, in production order.",
        "context": "Place operations and quality checks in process order.",
        "example": "An electrode can meet coating mass targets but fail adhesion or moisture checks later.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/cell-production/",
        "lesson_label": "Open production"
      }
    },
    {
      "id": "term:notching",
      "type": "Term",
      "label": "Notching",
      "properties": {
        "id": "notching",
        "name": "Notching",
        "section": "topic-manufacturing",
        "definition": "Cutting the tab shape and the electrode sheet outline from the slit strip, mechanically or by laser, before stacking. Laser notching has no tool wear but must avoid heat damage at the edge.",
        "related": [
          "slitting",
          "stacking",
          "tab",
          "laser-cutting"
        ],
        "lesson": "fundamentals/cell-production/#assembly",
        "url": "https://lemonergy.com/learn/glossary/notching/",
        "mentions": [
          "electrode"
        ]
      }
    },
    {
      "id": "term:internal-short-circuit",
      "type": "Term",
      "label": "Internal short circuit",
      "properties": {
        "id": "internal-short-circuit",
        "name": "Internal short circuit",
        "abbr": "ISC",
        "section": "topic-safety",
        "definition": "An unintended electronic path between the electrodes inside a cell — through a metal particle, a burr, a damaged separator or lithium deposits. It discharges the cell internally and turns its energy into local heat.",
        "related": [
          "thermal-runaway",
          "dendrite",
          "separator",
          "external-short-circuit",
          "self-discharge",
          "internal-short-trigger-device"
        ],
        "lesson": "fundamentals/cell-anatomy/#short-circuit",
        "url": "https://lemonergy.com/learn/glossary/internal-short-circuit/",
        "mentions": [
          "electronic-path",
          "burr",
          "metal-particle-contamination"
        ]
      }
    },
    {
      "id": "term:calendering",
      "type": "Term",
      "label": "Calendering",
      "properties": {
        "id": "calendering",
        "name": "Calendering",
        "section": "topic-manufacturing",
        "definition": "Compressing a dried electrode coating between rollers to set its thickness, density and porosity. It is one of the electrode-making steps in cell production.",
        "related": [
          "porosity",
          "electrode-density",
          "drying",
          "slitting"
        ],
        "lesson": "fundamentals/cell-production/#electrodes",
        "example": {
          "title": "Connect thickness and density",
          "text": "At fixed mass and area, reducing thickness raises bulk density. The pore structure still needs to support wetting and transport."
        },
        "url": "https://lemonergy.com/learn/glossary/calendering/",
        "mentions": [
          "electrode",
          "cell-production",
          "coating"
        ]
      }
    },
    {
      "id": "term:separator",
      "type": "Term",
      "label": "Separator",
      "properties": {
        "id": "separator",
        "name": "Separator",
        "section": "topic-electrolytes",
        "definition": "A porous, electronically insulating film between the electrodes. Electrons cannot cross it; ions move through the electrolyte in its pores.",
        "related": [
          "electrolyte",
          "ceramic-coated-separator",
          "separator-shutdown",
          "internal-short-circuit",
          "porosity"
        ],
        "lesson": "fundamentals/cell-architecture/#separator",
        "example": {
          "title": "Different conduction paths",
          "text": "A separator prevents direct electronic contact while permitting ionic transport through its electrolyte-filled structure."
        },
        "url": "https://lemonergy.com/learn/glossary/separator/",
        "mentions": []
      }
    },
    {
      "id": "term:burr",
      "type": "Term",
      "label": "Burr",
      "properties": {
        "id": "burr",
        "name": "Burr",
        "aka": [
          "burrs",
          "edge burr",
          "slitting burr",
          "slitter burr"
        ],
        "section": "topic-manufacturing",
        "definition": "A sharp raised lip of foil, or a loose flake of coating, left at a cut electrode edge by slitting or notching. The separator is only about 10–25 µm thick, so a burr of similar height can pierce it under stack pressure and cause an internal short circuit; edges are therefore inspected and worn knives replaced before burrs grow.",
        "related": [
          "slitting",
          "notching",
          "internal-short-circuit",
          "separator",
          "laser-cutting"
        ],
        "url": "https://lemonergy.com/learn/glossary/burr/",
        "mentions": [
          "electrode",
          "coating",
          "stack-pressure",
          "short-circuit"
        ]
      }
    },
    {
      "id": "lesson:fundamentals/cell-production/",
      "type": "Lesson",
      "label": "Lesson 3 · Cell production",
      "properties": {
        "url": "https://lemonergy.com/learn/fundamentals/cell-production/"
      }
    },
    {
      "id": "reference:liu-manufacturing",
      "type": "Reference",
      "label": "Current and future lithium-ion battery manufacturing",
      "properties": {
        "title": "Current and future lithium-ion battery manufacturing",
        "publisher": "iScience",
        "url": "https://doi.org/10.1016/j.isci.2021.102332",
        "type": "Review article",
        "scope": "Electrode preparation, cell assembly, formation and manufacturing trade-offs.",
        "year": 2021,
        "authors": [
          "Yangtao Liu",
          "Ruihan Zhang",
          "Jun Wang",
          "Yan Wang"
        ],
        "accessed": "2026-10-27"
      }
    }
  ]
}