{
  "$type": "site.standard.document",
  "description": "Disclosed in embodiments of the present application are a battery cell, a battery and an electric device. The battery cell comprises: an electrode assembly, the electrode assembly comprising a negative electrode sheet, the negative electrode sheet comprising a negative electrode active material…",
  "path": "/patents/1427601",
  "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": "Disclosed in embodiments of the present application are a battery cell, a battery and an electric device. The battery cell comprises: an electrode assembly, the electrode assembly comprising a negative electrode sheet, the negative electrode sheet comprising a negative electrode active material from/into which metal ions can be reversibly deintercalated/intercalated, and the negative electrode active material comprising a silicon-based material; and a casing used for accommodating the electrode assembly, the tensile strength of at least partial area of the casing at the temperature of 25 °C being Rm, and Rm meeting: 250 MPa ≤ Rm ≤ 2000 MPa. According to the battery cell, the battery and the electric device in the embodiments of the present application, the reliability of the battery cell can be improved.",
  "title": "BATTERY CELL, BATTERY AND ELECTRIC DEVICE"
}