{
  "$type": "site.standard.document",
  "description": "This application discloses a positive electrode active material, including bulk particles and a coating layer applied on an exterior surface of each of the bulk particles, where the bulk particle includes a lithium composite oxide that contains element nickel and a doping element M, and the coating…",
  "path": "/patents/1319758",
  "publishedAt": "2022-06-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0525",
    "CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED"
  ],
  "textContent": "This application discloses a positive electrode active material, including bulk particles and a coating layer applied on an exterior surface of each of the bulk particles, where the bulk particle includes a lithium composite oxide that contains element nickel and a doping element M, and the coating layer includes an oxide of element M. When the positive electrode active material is in a 11% delithiated state, average valences of element Mand Mare αand β, respectively; when the positive electrode active material is in a 78% delithiated state, average valences of element Mand Mare αand β, respectively; and α>α, β=β. Element Mincludes one or more of Si, Ti, Cr, Mo, V, Se, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W, and element Mis selected from one or more of Mg, Al, Ca, Zr, Zn, Y, and B.",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, LITHIUM-ION SECONDARY BATTERY, AND APPARATUS CONTAINING SUCH LITHIUM-ION SECONDARY BATTERY"
}