{
  "$type": "site.standard.document",
  "description": "The present application provides a positive electrode sheet, a secondary battery, a battery module, a battery pack, and an electrical apparatus; the positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer having a single-layer structure or a…",
  "path": "/patents/1395985",
  "publishedAt": "2026-05-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0525",
    "CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]"
  ],
  "textContent": "The present application provides a positive electrode sheet, a secondary battery, a battery module, a battery pack, and an electrical apparatus; the positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer having a single-layer structure or a multi-layer structure provided on at least one surface thereof; when the positive electrode film layer is of a single-layer structure, at least one positive electrode film layer comprises both a first positive electrode active material and a second positive electrode active material; and/or, when the positive electrode film layer is of a multi-layer structure, at least one layer of the at least one positive electrode film layer comprises both a first positive electrode active material and a second positive electrode active material; the first positive electrode active material comprises an inner core containing LiMnAPRO, a first coating layer containing pyrophosphate MPO and phosphate XPO and covering the inner core, and a second coating layer containing carbon element and covering the first coating layer. The secondary battery prepared with the positive electrode sheet of the present application has high energy density, high battery cell rate performance, good dynamic performance and low temperature performance, good cycling performance and high safety.",
  "title": "POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND ELECTRIC DEVICE"
}