{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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  "description": "Disclosed are a positive active material for a rechargeable lithium battery, a preparing method thereof, and a rechargeable lithium battery including the same. The positive active material includes a first positive active material in a form of secondary particles in which a plurality of primary…",
  "path": "/patents/1404248",
  "publishedAt": "2025-09-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01G53/40",
    "SAMSUNG SDI CO LTD [KR]"
  ],
  "textContent": "Disclosed are a positive active material for a rechargeable lithium battery, a preparing method thereof, and a rechargeable lithium battery including the same. The positive active material includes a first positive active material in a form of secondary particles in which a plurality of primary particles is aggregated, and a second positive active material having a single crystal form, wherein both of the first positive active material and the second positive active material are nickel-based positive active materials, each of the first positive active material and the second positive active material is coated with cobalt, and a maximum roughness of the surface of the second positive active material is greater than or equal to 15 nm.",
  "title": "POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, PREPARING METHOD THEREOF AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME"
}