{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "A positive electrode active material for a lithium-ion secondary battery includes a lithium nickel complex oxide having a hexagonal crystalline layered structure and containing secondary particles in which a plurality of primary particles are aggregated. The lithium nickel complex oxide contains…",
  "path": "/patents/1385470",
  "publishedAt": "2026-06-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01G53/504",
    "SUMITOMO METAL MINING CO., LTD."
  ],
  "textContent": "A positive electrode active material for a lithium-ion secondary battery includes a lithium nickel complex oxide having a hexagonal crystalline layered structure and containing secondary particles in which a plurality of primary particles are aggregated. The lithium nickel complex oxide contains Li, Ni, B, and element M (M) at a ratio by mole of Li:Ni:B:M=a:b:c:d (where 0.95≤a≤1.10, 0.50≤b",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY"
}