{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "The present invention relates to a positive electrode active material for a secondary battery which includes lithium composite transition metal oxide particles including 70 mol% or more of nickel (Ni) among total metals excluding lithium, and a coating portion formed on surfaces of the lithium…",
  "path": "/patents/1413899",
  "publishedAt": "2023-01-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01G53/44",
    "LG CHEMICAL LTD [KR]"
  ],
  "textContent": "The present invention relates to a positive electrode active material for a secondary battery which includes lithium composite transition metal oxide particles including 70 mol% or more of nickel (Ni) among total metals excluding lithium, and a coating portion formed on surfaces of the lithium composite transition metal oxide particles, wherein the coating portion includes a compound including fluorine and at least one selected from the group consisting of aluminum (Al), titanium (Ti), magnesium (Mg), zirconium (Zr), tungsten (W), and strontium (Sr), a Brunauer-Emmett-Teller (BET) specific surface area is in a range of 0.1 m2/g to 0.9 m2/g, and an amount of a lithium by-product remaining on a surface of the positive electrode active material is 0.65 wt% or less based on a total weight of the positive electrode active material.",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME"
}