{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "According to an exemplary embodiment, the negative electrode active material for nonaqueous electrolyte secondary batteries is a composite particle comprising: an alkali aluminate phase containing two or more alkali metal elements and Al; a silicon phase that is dispersed in the alkali aluminate…",
  "path": "/patents/1423412",
  "publishedAt": "2026-06-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/525",
    "Panasonic Intellectual Property Management Co., Ltd."
  ],
  "textContent": "According to an exemplary embodiment, the negative electrode active material for nonaqueous electrolyte secondary batteries is a composite particle comprising: an alkali aluminate phase containing two or more alkali metal elements and Al; a silicon phase that is dispersed in the alkali aluminate phase; and a conductive layer that is formed on the surface of a base particle comprising the alkali aluminate phase and the silicon phase.",
  "title": "NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY"
}