{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreihrjegoxjotggpl2zzgzzmpj27ktorukbg7hcgyerwxhkasxw5evq"
    },
    "mimeType": "image/png",
    "size": 88392
  },
  "description": "A lithium-ion secondary battery comprises a positive electrode plate, a negative electrode plate, the positive electrode active material comprises lithium cobaltate containing the element Al, and the mass content c1 of the element Al in the positive electrode active coating layer is 6800-15000 ppm…",
  "path": "/patents/1435201",
  "publishedAt": "2026-07-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0525",
    "ZHUHAI COSMX BATTERY CO., LTD."
  ],
  "textContent": "A lithium-ion secondary battery comprises a positive electrode plate, a negative electrode plate, the positive electrode active material comprises lithium cobaltate containing the element Al, and the mass content c1 of the element Al in the positive electrode active coating layer is 6800-15000 ppm; the negative electrode plate comprises a negative electrode active coating layer, and the negative electrode active coating layer comprises a silicon carbon material, wherein the mass content c2 of the element Si in the negative electrode active coating layer is 1.5-20%. The battery of the present disclosure can have a high energy density, an excellent cycling stability, and a low-temperature discharge performance.",
  "title": "LITHIUM-ION SECONDARY BATTERY"
}