{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "A non-aqueous electrolyte secondary battery including a positive electrode, a separator, a negative electrode facing the positive electrode, with the separator interposed; and a liquid electrolyte. The positive electrode includes a composite oxide containing lithium as a first metal, and a second…",
  "path": "/patents/1408933",
  "publishedAt": "2026-03-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0525",
    "PANASONIC IP MAN CO LTD [JP]"
  ],
  "textContent": "A non-aqueous electrolyte secondary battery including a positive electrode, a separator, a negative electrode facing the positive electrode, with the separator interposed; and a liquid electrolyte. The positive electrode includes a composite oxide containing lithium as a first metal, and a second metal other than lithium. In the composite oxide, the second metal contains Ni, a content of Ni in the second metal is 90 at% or more, and a content of Co in the second metal is 10 at% or less. The liquid electrolyte contains at least one cation X selected from the group consisting of Na, K, Rb, Cs, Fr, Mg, Ca, Sr, Ba, and Al, and an oxalate complex anion Y.",
  "title": "NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY"
}