{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "A production method of a positive electrode active material for a lithium-ion secondary battery includes a mixing step of mixing a nickel-containing material containing at least nickel, and a lithium compound, thereby preparing a raw material mixture; a firing step of firing the raw material…",
  "path": "/patents/1385469",
  "publishedAt": "2026-06-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01G53/504",
    "SUMITOMO METAL MINING CO., LTD."
  ],
  "textContent": "A production method of a positive electrode active material for a lithium-ion secondary battery includes a mixing step of mixing a nickel-containing material containing at least nickel, and a lithium compound, thereby preparing a raw material mixture; a firing step of firing the raw material mixture in an oxidative atmosphere, thereby obtaining a fired product; a water washing step of washing the fired product obtained in the firing step with water, thereby obtaining water-washed powder; a thermal treatment step of thermally treating the water-washed powder obtained in the water washing step; and a boron adding step of mixing thermally treated powder obtained in the thermal treatment step, and a boron-containing material that is at least one selected from a boron simple substance and a boron-containing compound.",
  "title": "PRODUCTION METHOD OF POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY"
}