{
  "$type": "site.standard.document",
  "description": "A method of manufacturing a positive electrode active material including a first step of washing a first lithium composite oxide and a second lithium composite oxide, each containing a transition metal and having different median diameters (D50) on a volumetric basis, a second step of adding a B…",
  "path": "/patents/1389666",
  "publishedAt": "2026-06-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/525",
    "PANASONIC HOLDINGS CORPORATION"
  ],
  "textContent": "A method of manufacturing a positive electrode active material including a first step of washing a first lithium composite oxide and a second lithium composite oxide, each containing a transition metal and having different median diameters (D50) on a volumetric basis, a second step of adding a B source to the first lithium composite oxide and the second lithium composite oxide after the first step, to form composites of B on surfaces of the first lithium composite oxide and the second lithium composite oxide, and then calcining at a temperature of 350° C. to 500° C., and a third step of mixing the first lithium composite oxide and the second lithium composite oxide after the second step.",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY"
}