{
  "$type": "site.standard.document",
  "description": "A positive electrode active material for a lithium ion secondary battery, the positive electrode active material including a lithium-nickel composite oxide having a hexagonal layered structure and configured by particles including at least either single primary particles or secondary particles with…",
  "path": "/patents/1326532",
  "publishedAt": "2022-09-08T00:00:00.000Z",
  "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, the positive electrode active material including a lithium-nickel composite oxide having a hexagonal layered structure and configured by particles including at least either single primary particles or secondary particles with a plurality of aggregated primary particles, wherein the particles of the positive electrode active material have a cross section having an area proportion of a crystal face having a maximum area in the particle of 80% or more when one crystal face is defined as a region having a crystal misorientation of 15° or less.",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY"
}