{
  "$type": "site.standard.document",
  "description": "A secondary battery module according to the present embodiment includes a nonaqueous-electrolyte secondary battery and an elastic body, wherein a negative electrode constituting the nonaqueous-electrolyte secondary battery includes a negative-electrode current collector and a negative-electrode…",
  "path": "/patents/1297518",
  "publishedAt": "2021-08-12T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/661",
    "Panasonic Corporation"
  ],
  "textContent": "A secondary battery module according to the present embodiment includes a nonaqueous-electrolyte secondary battery and an elastic body, wherein a negative electrode constituting the nonaqueous-electrolyte secondary battery includes a negative-electrode current collector and a negative-electrode active material layer, the negative-electrode active material layer includes a first layer formed on the negative-electrode current collector, and a second layer that is formed on the first layer and has a higher compression modulus than the first layer, a separator constituting the nonaqueous-electrolyte secondary battery has a lower compression modulus than the first layer, the elastic body has a lower compression modulus than the separator, a graphite particles contained in the first layer have a BET specific surface area of 1 to 2.5 m/g, and the first layer contains 0.01 mass % to 0.4 mass % of a carbon nanotube having one to five graphene sheets.",
  "title": "NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY AND SECONDARY BATTERY MODULE"
}