{
  "$type": "site.standard.document",
  "description": "A battery cell, a battery and an electric device, which belongs to the technical field of batteries. The battery cell comprises: a first shell wall, a terminal and an insulating and sealing structure, wherein the terminal comprises a passing portion and a first extending portion; the first…",
  "path": "/patents/1427478",
  "publishedAt": "2026-06-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0525",
    "CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]"
  ],
  "textContent": "A battery cell, a battery and an electric device, which belongs to the technical field of batteries. The battery cell comprises: a first shell wall, a terminal and an insulating and sealing structure, wherein the terminal comprises a passing portion and a first extending portion; the first extending portion extends to the outside of an outer surface or the inside of an inner surface of the first shell wall; a first corner arranged towards the first shell wall is provided at the connection between the first extending portion and the passing portion; the first shell wall comprises a second corner corresponding to the first corner; the insulating and sealing structure is fitted between the first shell wall and the terminal, and comprises a third corner corresponding to the first corner and a fourth corner corresponding to the second corner; and at least one of the first corner, the second corner, the third corner and the fourth corner is formed as a chamfer.",
  "title": "BATTERY CELL, BATTERY AND ELECTRIC DEVICE"
}