{
  "$type": "site.standard.document",
  "description": "A positive electrode active material, a method of preparing the positive electrode active material, a positive electrode including the positive electrode active material, and a rechargeable lithium battery including the positive electrode are disclosed. The positive electrode active material may…",
  "path": "/patents/1389655",
  "publishedAt": "2026-06-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/366",
    "SAMSUNG SDI CO., LTD."
  ],
  "textContent": "A positive electrode active material, a method of preparing the positive electrode active material, a positive electrode including the positive electrode active material, and a rechargeable lithium battery including the positive electrode are disclosed. The positive electrode active material may include core particles including a layered lithium nickel-based composite oxide and having a single particle shape; and a coating layer provided on the surface of the core particles and including cobalt and/or zirconium; wherein the lithium nickel-based composite oxide of the core particles includes aluminum and/or zirconium, a nickel content (e.g., amount) is greater than or equal to about 60 mol %, an aluminum content (e.g., amount) is about 0.8 mol % to about 1.5 mol %, and a zirconium content (e.g., amount) is about 0.1 mol % to about 0.3 mol %, based on 100 mol % of total metals excluding lithium.",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD OF THEREOF, POSITIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERIES"
}