{
  "$type": "site.standard.document",
  "description": "A method for preparing a positive electrode active material may include: (i) adding an aluminum raw material and sodium hydroxide to an aqueous (e.g., watersoluble) solvent to prepare a coating solution having a pH range of 12.5 to 14; (ii) adding core particles including a lithium nickel-based…",
  "path": "/patents/1390031",
  "publishedAt": "2026-06-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01G53/05",
    "SAMSUNG SDI CO LTD [KR]"
  ],
  "textContent": "A method for preparing a positive electrode active material may include: (i) adding an aluminum raw material and sodium hydroxide to an aqueous (e.g., watersoluble) solvent to prepare a coating solution having a pH range of 12.5 to 14; (ii) adding core particles including a lithium nickel-based composite oxide to the coating solution to prepare a first mixed solution; (iii) adding a cobalt raw material to the first mixed solution to prepare a second mixed solution; and (iv) drying and heat-treating the second mixed solution to obtain a positive electrode active material.",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIALS, PREPARATION METHODS THEREOF, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES"
}