{
  "$type": "site.standard.document",
  "description": "The present invention relates to a positive electrode active material including a small-particle diameter lithium iron manganese phosphate-based oxide and a large-particle diameter lithium iron phosphate-based oxide, wherein the small-particle diameter lithium iron manganese phosphate-based oxide…",
  "path": "/patents/1427217",
  "publishedAt": "2026-06-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/052",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "The present invention relates to a positive electrode active material including a small-particle diameter lithium iron manganese phosphate-based oxide and a large-particle diameter lithium iron phosphate-based oxide, wherein the small-particle diameter lithium iron manganese phosphate-based oxide has an average particle diameter (D50) of 1 µm or less, the large-particle diameter lithium iron phosphate-based oxide has an average particle diameter (D50) of 4 µm to 10 µm, and the small-particle diameter lithium iron manganese phosphate-based oxide and the large-particle diameter lithium iron phosphate-based oxide are included in a weight ratio of 75:25 to 98:2.",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY COMPRISING SAME"
}