{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "An object of the present disclosure is then to provide a lithium secondary battery with a lithium metal and/or a lithium alloy as a negative electrode active material, in which the lithium secondary battery is enhanced in capacity retention rate, reduced in resistance, and suppressed in…",
  "path": "/patents/1385695",
  "publishedAt": "2026-06-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/4235",
    "TOYOTA JIDOSHA KABUSHIKI KAISHA"
  ],
  "textContent": "An object of the present disclosure is then to provide a lithium secondary battery with a lithium metal and/or a lithium alloy as a negative electrode active material, in which the lithium secondary battery is enhanced in capacity retention rate, reduced in resistance, and suppressed in short-circuit. A lithium secondary battery, wherein the lithium secondary battery comprises a negative electrode current collector layer, a negative electrode active material layer, a protective layer, an electrolyte layer, a positive electrode active material layer, and a positive electrode current collector layer in the listed order, the negative electrode active material layer contains a lithium metal or a first lithium alloy, and the protective layer contains a second lithium alloy different from the first lithium alloy.",
  "title": "LITHIUM SECONDARY BATTERY, AND METHOD FOR PRODUCING LITHIUM SECONDARY BATTERY"
}