{
  "$type": "site.standard.document",
  "description": "The present application discloses a positive electrode active material including a lithium nickel cobalt manganese oxide, the molar content of nickel in the lithium nickel cobalt manganese oxide accounts for 60%-90% of the total molar content of nickel, cobalt and manganese, and the lithium nickel…",
  "path": "/patents/1346617",
  "publishedAt": "2023-06-29T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01G53/44",
    "Contemporary Amperex Technology Co., Limited"
  ],
  "textContent": "The present application discloses a positive electrode active material including a lithium nickel cobalt manganese oxide, the molar content of nickel in the lithium nickel cobalt manganese oxide accounts for 60%-90% of the total molar content of nickel, cobalt and manganese, and the lithium nickel cobalt manganese oxide has a layered crystal structure of a space group R m; a transition metal layer of the lithium nickel cobalt manganese oxide includes a doping element, and the local mass concentration of the doping element in particles of the positive electrode active material has a relative deviation of 20% or less; and in a differential scanning calorimetry spectrum of the positive electrode active material in a 78% delithiation state, an initial exothermic temperature of a main exothermic peak is 200° C. or more, and an integral area of the main exothermic peak is 100 J/g or less.",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARATION THEREOF, POSITIVE ELECTRODE PLATE, LITHIUM-ION SECONDARY BATTERY AND RELATED BATTERY MODULE, BATTERY PACK AND APPARATUS"
}