{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "The present invention relates to: a method of preparing a positive electrode active material including forming a first coating layer on a surface of a lithium transition metal oxide represented by Formula 1 by using a basic aqueous solution containing a coating element M (where M includes at least…",
  "path": "/patents/1413187",
  "publishedAt": "2025-08-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01B35/128",
    "LG CHEMICAL LTD [KR]"
  ],
  "textContent": "The present invention relates to: a method of preparing a positive electrode active material including forming a first coating layer on a surface of a lithium transition metal oxide represented by Formula 1 by using a basic aqueous solution containing a coating element M (where M includes at least one selected from sodium (Na) and aluminum (Al)), and forming a second coating layer by dry-mixing the lithium transition metal oxide, on which the first coating layer formed, and a raw material containing a coating element M (where M includes boron (B)) and performing heat treatment on the mixture; a positive electrode active material prepared by the preparation method; a positive electrode for a lithium secondary battery including the positive electrode active material; and a lithium secondary battery.",
  "title": "METHOD FOR PREPARING CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND CATHODE ACTIVE MATERIAL PREPARED BY PREPARATION METHOD"
}