{
  "$type": "site.standard.document",
  "description": "The present invention relates to a positive electrode active material for a secondary battery which includes a lithium composite transition metal oxide including Ni, Co, and Mn, wherein the lithium composite transition metal oxide is in the form of a secondary particle, and a coating layer formed…",
  "path": "/patents/1388118",
  "publishedAt": "2026-05-20T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01B35/121",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "The present invention relates to a positive electrode active material for a secondary battery which includes a lithium composite transition metal oxide including Ni, Co, and Mn, wherein the lithium composite transition metal oxide is in the form of a secondary particle, and a coating layer formed on surfaces of particles of the lithium composite transition metal oxide, wherein, in the lithium composite transition metal oxide, an amount of the Ni in a total amount of transition metals is 60 mol% or more, and an amount of the Mn is greater than an amount of the Co, and the coating layer includes a compound represented by Formula 1. [Formula 1] LiaM1bOcwherein in Formula 1, M1 comprises Al and at least one selected from the group consisting of B, Si, Ti, and P, and 1≤a≤4, 1≤b≤8, and 1≤c≤20.",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE POSITIVE ELECTRODE ACTIVE MATERIAL"
}