{
  "$type": "site.standard.document",
  "description": "A cathode active material of the present invention comprises a lithium nickel-based composite oxide comprising secondary particles formed by the aggregation of primary particles, wherein some cations and some anions in the lithium nickel-based composite oxide are replaced by a cation M′ and a…",
  "path": "/patents/1382254",
  "publishedAt": "2026-05-07T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/525",
    "ECOPRO BM CO., LTD."
  ],
  "textContent": "A cathode active material of the present invention comprises a lithium nickel-based composite oxide comprising secondary particles formed by the aggregation of primary particles, wherein some cations and some anions in the lithium nickel-based composite oxide are replaced by a cation M′ and a fluoride anion (F), respectively, which are contained in a fluorine-based compound, and the average Ni occupancy in the Li 3a site, obtained through Rietveld refinement using X-ray diffraction of the secondary particles, is 1.1-1.5%.",
  "title": "LITHIUM COMPOSITE OXIDE, AND CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY, COMPRISING SAME"
}