{
  "$type": "site.standard.document",
  "description": "Provided are a positive electrode active material, a positive electrode plate, a battery cell, a battery and an electrical apparatus, which belongs to the technical field of secondary batteries. The positive electrode active material includes a lithium-rich manganese-based material and a…",
  "path": "/patents/1380154",
  "publishedAt": "2026-03-26T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/366",
    "CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED"
  ],
  "textContent": "Provided are a positive electrode active material, a positive electrode plate, a battery cell, a battery and an electrical apparatus, which belongs to the technical field of secondary batteries. The positive electrode active material includes a lithium-rich manganese-based material and a lithium-containing phosphate, in which, the lithium-rich manganese-based material includes solid particles and hollow particles, the hollow particle including a shell and a cavity provided inside the shell. Both the rate performance and the volume energy density of the battery cell can be taken into consideration in the technical solution.",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE PLATE, BATTERY CELL, BATTERY AND ELECTRICAL APPARATUS"
}