{
  "$type": "site.standard.document",
  "description": "A positive electrode active material includes, as a main phase, an O2-type layered structure attributable to space group P6mc, and has a composition represented by a composition formula LiNaMnMO (in the composition formula, M represents one or more additive elements selected from the group…",
  "path": "/patents/1387374",
  "publishedAt": "2026-04-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01G45/1228",
    "AICHI STEEL CORP [JP]"
  ],
  "textContent": "A positive electrode active material includes, as a main phase, an O2-type layered structure attributable to space group P6mc, and has a composition represented by a composition formula LiNaMnMO (in the composition formula, M represents one or more additive elements selected from the group consisting of Ni, Al, Ti, Sn, Zr, Nb, W, and Mo, the additive elements including at least Ni, and a to d and α satisfy 0.7 ≤ a ≤ 1.33, 0 < b < 0.1, 0.7 < c < 0.9, 0.9 < c + d",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PRODUCING SAME AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY"
}