{
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    "label": "Carbon nanotubes",
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      "name": "Carbon nanotubes",
      "abbr": "CNT",
      "section": "topic-components",
      "definition": "Tubular carbon a few nanometres across, added at a fraction of a percent as a conductive additive. Their length lets them bridge particles that carbon black cannot, so less additive is needed and energy density rises.",
      "related": [
        "conductive-additive",
        "electronic-conductivity",
        "silicon-anode"
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      "url": "https://lemonergy.com/learn/glossary/carbon-nanotube/",
      "mentions": [
        "energy-density"
      ]
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      "id": "term:conductive-additive",
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          "carbon black",
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        "definition": "A negative electrode that uses silicon, which alloys with lithium and stores roughly ten times more charge per gram than graphite but swells by up to 300 %. Today it is blended into graphite at a few percent to limit the swelling.",
        "related": [
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      "id": "term:energy-density",
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        "section": "topic-ratings",
        "definition": "Stored energy per unit volume, in watt-hours per litre. It is the figure that matters when space is the constraint, as in a phone or under a car floor; high-energy cylindrical cells pass 700 Wh/L.",
        "unit": "Wh/L",
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        "mentions": []
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}