{
  "$type": "site.standard.document",
  "description": "The present invention provides a method of preparing a positive electrode active material for a secondary battery which includes preparing a lithium composite transition metal oxide which includes nickel, cobalt, and manganese and contains 60 mol% or more of the nickel among all metals except…",
  "path": "/patents/1406819",
  "publishedAt": "2024-08-21T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C23C16/4417",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "The present invention provides a method of preparing a positive electrode active material for a secondary battery which includes preparing a lithium composite transition metal oxide which includes nickel, cobalt, and manganese and contains 60 mol% or more of the nickel among all metals except lithium, adding a moisture absorbent and the lithium composite transition metal oxide into an atomic layer deposition (ALD) reactor, and adding a coating metal precursor into the atomic layer deposition (ALD) reactor and forming a metal oxide coating layer on surfaces of particles of the lithium composite transition metal oxide by atomic layer deposition (ALD).",
  "title": "METHOD OF PREPARING POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY"
}