{
  "$type": "site.standard.document",
  "description": "This application relates to a secondary battery and an apparatus including the secondary battery. Specifically, the secondary battery of this application includes a negative electrode plate, where the negative electrode plate includes a negative current collector and negative film layers where the…",
  "path": "/patents/1303255",
  "publishedAt": "2021-10-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/133",
    "Contemporary Amperex Technology Co., Limited"
  ],
  "textContent": "This application relates to a secondary battery and an apparatus including the secondary battery. Specifically, the secondary battery of this application includes a negative electrode plate, where the negative electrode plate includes a negative current collector and negative film layers where the negative film layers include a first negative film layer and a second negative film layer, the first negative film layer is disposed on at least one surface of the negative current collector and includes a first negative active material, and the second negative film layer is disposed on the first negative film layer and includes a second negative active material; the first negative active material includes natural graphite, and the second negative active material includes artificial graphite; the first negative active material satisties 4.0≤COI≤7.0; and the second negative active material satisties 2.2≤COI≤4.2.",
  "title": "SECONDARY BATTERY AND APPARATUS INCLUDING THE SECONDARY BATTERY"
}