{
  "$type": "site.standard.document",
  "description": "A cover plate assembly, a battery cell, a battery module, a battery pack and an apparatus are disclosed. The cover plate assembly includes a top cover plate, where the top cover plate is provided with an explosion-proof valve; and an insulating plate, laminated with the top cover plate, where the…",
  "path": "/patents/1314921",
  "publishedAt": "2022-04-07T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M50/3425",
    "CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED"
  ],
  "textContent": "A cover plate assembly, a battery cell, a battery module, a battery pack and an apparatus are disclosed. The cover plate assembly includes a top cover plate, where the top cover plate is provided with an explosion-proof valve; and an insulating plate, laminated with the top cover plate, where the insulating plate includes a base portion and a thinned region located on the base portion, the thinned region is formed by thinning the base portion, and a region enclosed by boundaries of an orthographic projection of the thinned region at least partially overlaps an orthographic projection of the explosion-proof valve in a thickness direction of the cover plate assembly. The thinned region is formed by thinning the base portion.",
  "title": "COVER PLATE ASSEMBLY, BATTERY CELL, BATTERY MODULE, BATTERY PACK, AND APPARATUS"
}