{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "A method of producing a positive electrode active material, the method includes: contacting first particles that contain a lithium transition metal composite oxide with a solution containing sodium ions to obtain second particles containing the lithium transition metal composite oxide and sodium…",
  "path": "/patents/1433029",
  "publishedAt": "2023-09-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01D13/00",
    "NICHIA CORP [JP]"
  ],
  "textContent": "A method of producing a positive electrode active material, the method includes: contacting first particles that contain a lithium transition metal composite oxide with a solution containing sodium ions to obtain second particles containing the lithium transition metal composite oxide and sodium element, wherein the lithium transition metal composite oxide has a layered structure and a composition ratio of a number of moles of nickel to a total number of moles of metals other than lithium in a range of from 0.7 to less than 1; mixing the second particles and a boron compound to obtain a mixture; and heat-treating the mixture at a temperature in a range of from 100 °C to 450 °C.",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL AND METHOD OF PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL"
}