{
  "$type": "site.standard.document",
  "description": "A positive electrode active material composite particle according to the present disclosure includes a base particle constituted by a positive electrode active material containing a lithium composite oxide having a layered crystal structure, and a coating layer that is constituted by a material…",
  "path": "/patents/1422131",
  "publishedAt": "2026-01-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0525",
    "SEIKO EPSON CORP [JP]"
  ],
  "textContent": "A positive electrode active material composite particle according to the present disclosure includes a base particle constituted by a positive electrode active material containing a lithium composite oxide having a layered crystal structure, and a coating layer that is constituted by a material containing a multiple oxide different from the positive electrode active material, a lithium compound, and an oxoacid compound, and that at least partially coats a surface of the base particle. The oxoacid compound preferably contains at least one of a nitrate ion and a sulfate ion as an oxoanion.",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL COMPOSITE PARTICLE AND POWDER"
}