{
  "$type": "site.standard.document",
  "description": "A non-aqueous electrolyte secondary battery with a negative electrode active material including a carbon material, and a silicon-containing material in which Si particles are dispersed in a lithium ion conductive phase. The negative electrode material mixture layer having a thickness Tincludes a…",
  "path": "/patents/1319182",
  "publishedAt": "2022-06-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/364",
    "Panasonic Intellectual Property Management Co., Ltd."
  ],
  "textContent": "A non-aqueous electrolyte secondary battery with a negative electrode active material including a carbon material, and a silicon-containing material in which Si particles are dispersed in a lithium ion conductive phase. The negative electrode material mixture layer having a thickness Tincludes a first region on the negative electrode surface side having a thickness of T, and a second region on the negative electrode current collector side, and the ratio T/Tis 1/20 to 19/20. The ratio of a mass ratio Mof the silicon-containing material in the first region to a mass ratio Mof the silicon-containing material in the second region is not less than 0 and less than 1. An open circuit potential of the negative electrode in a fully charged condition is higher than 0 mV and 70 mV or lower relative to lithium metal.",
  "title": "NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY"
}