{
  "$type": "site.standard.document",
  "description": "A battery cell, a battery pack, and an electronic device are provided. The battery cell includes: a housing; an electrode assembly received in the housing, the electrode assembly comprising a winding structure formed by winding a positive electrode sheet, a separator, and a negative electrode…",
  "path": "/patents/1389753",
  "publishedAt": "2026-06-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0587",
    "AESC Japan Ltd."
  ],
  "textContent": "A battery cell, a battery pack, and an electronic device are provided. The battery cell includes: a housing; an electrode assembly received in the housing, the electrode assembly comprising a winding structure formed by winding a positive electrode sheet, a separator, and a negative electrode sheet; a first negative electrode surface and a second negative electrode surface of a negative electrode current collector of the negative electrode sheet are respectively covered with a first negative electrode active material layer and a second negative electrode active material layer; the negative electrode sheet includes a first position and a second position along a winding direction. A region at a surface of the second negative electrode active material layer that is away from the center hole and located between the first position and the second position is a preset region and is provided with a first insulating layer along the winding direction.",
  "title": "BATTERY CELL, BATTERY PACK, AND ELECTRONIC DEVICE"
}