{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreiga65ldrerykfbcsa3lvab2jcmiusgaxidwvrmrhzkaxbhcfrkg2i"
    },
    "mimeType": "image/png",
    "size": 118850
  },
  "description": "A positive electrode active material for a lithium ion secondary battery, including: lithium-nickel composite oxide particles; and coating layers, in which the lithium-nickel composite oxide particles have a crystal structure belonging to a space group R-3m, contain at least Li, Ni, Mn and an…",
  "path": "/patents/1435140",
  "publishedAt": "2026-07-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/525",
    "SUMITOMO METAL MINING CO., LTD."
  ],
  "textContent": "A positive electrode active material for a lithium ion secondary battery, including: lithium-nickel composite oxide particles; and coating layers, in which the lithium-nickel composite oxide particles have a crystal structure belonging to a space group R-3m, contain at least Li, Ni, Mn and an element M, a mole number ratio among the elements being represented by Li:Ni:Mn:M=a:(1−x−y):x:y (0.95≤a≤1.10, 0",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME"
}