{
  "$type": "site.standard.document",
  "description": "A positive electrode active material including a first positive electrode active material including a lithium nickel-manganese-based composite oxide having a nickel content of greater than or equal to about 60 mol% based on about 100 mol% of a total metal excluding lithium and including secondary…",
  "path": "/patents/1387086",
  "publishedAt": "2026-04-08T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01G53/50",
    "SAMSUNG SDI CO LTD [KR]"
  ],
  "textContent": "A positive electrode active material including a first positive electrode active material including a lithium nickel-manganese-based composite oxide having a nickel content of greater than or equal to about 60 mol% based on about 100 mol% of a total metal excluding lithium and including secondary particles made by agglomerating a plurality of primary particles wherein an average particle diameter (D50) of the secondary particle is about 10 µm to about 20 µm, a second positive electrode active material including a lithium nickel-manganese-based composite oxide having a nickel content of greater than or equal to about 60 mol% based on about 100 mol% of a total metal excluding lithium and including single particles wherein an average particle diameter (D50) of each of the single particles is about 2 µm to about 8 µm, and a third positive electrode active material including particles including lithium transition metal phosphate.",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE, AND RECHARGEABLE LITHIUM BATTERIES"
}