{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode includes a positive electrode material including particles of a composite oxide containing lithium and a metal Me other than lithium, and a tungsten…",
  "path": "/patents/1408929",
  "publishedAt": "2026-01-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0525",
    "PANASONIC IP MAN CO LTD [JP]"
  ],
  "textContent": "A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode includes a positive electrode material including particles of a composite oxide containing lithium and a metal Me other than lithium, and a tungsten compound attached to a surface of the particles. The metal Me contains at least nickel. The nonaqueous electrolyte includes an unsaturated sultone compound.",
  "title": "NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY"
}