{
  "$type": "site.standard.document",
  "description": "The purpose of the present disclosure is to provide a non-aqueous secondary battery that is able to suppress a decrease in charge-discharge cycle characteristics. The non-aqueous electrolyte secondary battery that is a mode of the present disclosure comprises a negative electrode having a negative…",
  "path": "/patents/1295436",
  "publishedAt": "2021-07-15T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/587",
    "Panasonic Intellectual Property Management Co., Ltd."
  ],
  "textContent": "The purpose of the present disclosure is to provide a non-aqueous secondary battery that is able to suppress a decrease in charge-discharge cycle characteristics. The non-aqueous electrolyte secondary battery that is a mode of the present disclosure comprises a negative electrode having a negative electrode active material layer, wherein the negative electrode active material layer contains a negative electrode active material that contains graphite particles, and an SBR component selected from at least one of a styrene-butadiene copolymer rubber and a modified product thereof, the internal porosity of the graphite particles is 1% to 5%, the porosity due to voids between particles of the negative electrode active material layer is 10% to 20%, and the content of the SBR component is 1.5 mass % to 3 mass % with respect to the mass of the negative electrode active material.",
  "title": "NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY"
}