{
  "$type": "site.standard.document",
  "description": "The present application provides a novel positive electrode sheet, a secondary battery, a battery module, a battery pack and an electrical apparatus; wherein, the positive electrode sheet includes a positive electrode current collector and a positive electrode film layer with a single-layer…",
  "path": "/patents/1396140",
  "publishedAt": "2025-12-31T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01B25/45",
    "CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]"
  ],
  "textContent": "The present application provides a novel positive electrode sheet, a secondary battery, a battery module, a battery pack and an electrical apparatus; wherein, the positive electrode sheet includes a positive electrode current collector and a positive electrode film layer with a single-layer structure or a multi-layer structure arranged on at least one surface thereof; when the positive electrode film layer is a single-layer structure, at least one of the positive electrode film layers comprises a first positive electrode active material and a second positive electrode active material; and/or, when the positive electrode film layer is a multi-layer structure, at least one layer of at least one of the positive electrode film layers comprises a first positive electrode active material and a second positive electrode active materials; the first positive electrode active material includes an inner core Li1+xMn1-yAyP1-zRzO4, a first cladding layer comprising crystalline pyrophosphates LiaMP2O7 and/or Mb(P2O7)c, a second cladding layer comprising crystalline phosphate XPO4, and a third cladding layer; the third cladding layer is carbon. The secondary battery prepared using the positive electrode sheet of the present application has high energy density, high battery cell rate performance, good kinetic performance and low-temperature performance, good cycling performance, and high safety.",
  "title": "NOVEL POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL DEVICE"
}