{
  "$type": "site.standard.document",
  "description": "A negative electrode plate, a secondary battery, and an electrical apparatus are described. The negative electrode plate includes a current collector and a negative electrode film layer, where the negative electrode film layer includes a first film layer, provided on one side or both sides of the…",
  "path": "/patents/1381100",
  "publishedAt": "2026-04-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/628",
    "CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED"
  ],
  "textContent": "A negative electrode plate, a secondary battery, and an electrical apparatus are described. The negative electrode plate includes a current collector and a negative electrode film layer, where the negative electrode film layer includes a first film layer, provided on one side or both sides of the current collector; and a second film layer, provided on one side of the first film layer away from the current collector; a negative electrode active material of the first film layer and a negative electrode active material in the second film layer each independently include a silicon-based negative electrode material, the silicon-based negative electrode material in the second film layer includes a porous silicon negative electrode material, and a content of the silicon-based negative electrode material in the first film layer is less than a content of the silicon-based negative electrode material in the second film layer.",
  "title": "NEGATIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRICAL APPARATUS"
}