{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreibck4xzlgy6jnjyyfvynfgrfyftp2bjg7bcreviedgh5a5yvwzy4u"
    },
    "mimeType": "image/png",
    "size": 119541
  },
  "description": "The present disclosure provides a lithium ion secondary battery, a battery core, a negative electrode plate and an apparatus containing the lithium ion secondary battery. The lithium ion secondary battery includes a battery core and an electrolytic solution, the battery core including a positive…",
  "path": "/patents/1424749",
  "publishedAt": "2023-03-29T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/052",
    "CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]"
  ],
  "textContent": "The present disclosure provides a lithium ion secondary battery, a battery core, a negative electrode plate and an apparatus containing the lithium ion secondary battery. The lithium ion secondary battery includes a battery core and an electrolytic solution, the battery core including a positive electrode plate comprising a positive current collector and a positive active material layer disposed on a surface of the positive current collector, a separator, and a negative electrode plate comprising a negative current collector and a negative active material layer disposed on a surface of the negative current collector, wherein the positive current collector and/or the negative current collector are a composite current collector, the composite current collector comprises a polymer-based support layer and a conductive layer disposed on at least one surface of the support layer, and the composite current collector has a thermal conductivity in a range of 0,01 W/(m•K) to 10W/(m•K), preferably in a range of 0.1 W/(m•K) to 2W/(m•K).",
  "title": "LITHIUM ION SECONDARY BATTERY, BATTERY CELL, NEGATIVE ELECTRODE POLE PIECE, AND DEVICE CONTAINING LITHIUM ION SECONDARY BATTERY"
}