{
  "$type": "site.standard.document",
  "description": "A positive electrode active material for nonaqueous electrolyte secondary batteries according to the present invention is characterized by containing a lithium transition metal compound that contains, relative to the total number of moles of metal elements other than Li, from 80% by mole to 94%…",
  "path": "/patents/1410742",
  "publishedAt": "2025-09-17T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01G53/42",
    "PANASONIC IP MAN CO LTD [JP]"
  ],
  "textContent": "A positive electrode active material for nonaqueous electrolyte secondary batteries according to the present invention is characterized by containing a lithium transition metal compound that contains, relative to the total number of moles of metal elements other than Li, from 80% by mole to 94% mole (inclusive) of Ni and from 0.1% by mole to 0.6 % by mole (inclusive) of Nb, while being also characterized in that the amount of Nb (n1) in a first sample solution that is obtained by adding 0.2 g of the lithium transition metal compound into an aqueous hydrochloric acid solution composed of 5 mL of pure water and 5 mL of 35% hydrochloric acid and the amount of Nb (n2) in a second sample solution that is obtained by immersing a filter that is used for filtration of the first sample solution into a fluoronitric acid composed of 5 mL of 46% hydrofluoric acid and 5 mL of 63% nitric acid satisfy the condition 75%≤n1/(n1+n2)",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES"
}