{
  "$type": "site.standard.document",
  "description": "It is equipped with a negative-electrode current collector, and a negative-electrode mixture-material layer comprising a negative-electrode mixture material that includes a negative-electrode active material containing silicon (Si) and a binding agent at least, the negative-electrode…",
  "path": "/patents/999193",
  "publishedAt": "2012-08-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C08K3/36",
    "TOYOTA JIDOSHOKKI KK [JP]"
  ],
  "textContent": "It is equipped with a negative-electrode current collector, and a negative-electrode mixture-material layer comprising a negative-electrode mixture material that includes a negative-electrode active material containing silicon (Si) and a binding agent at least, the negative-electrode mixture-material layer being formed on a surface of the negative-electrode current collector; and the binding agent includes a polyimide-silica hybrid resin being made by subjecting a silane-modified polyamic acid to sol-gel curing and dehydration ring-closing, the silane-modified polyamic acid being expressed by the following formula (wherein: \"R\" specifies an aromatic tetracarboxylic dianhydride residue including 3,3',4,4'-biphenyltetracarboxylic dianhydride residue in an amount of 90% by mole or more; \"R\" specifies an aromatic diamine residue including a 4,4'-diaminodiphenyl ether residue in an amount of 90% by mole or more; \"R\" specifies an alkyl group whose number of carbon atoms is from 1 to 8; \"R\" specifies an alkyl group or an alkoxy group whose number of carbon atoms is from 1 to 8 independently of one another; \"q\" is from 1 to 5,000; \"r\" is from 1 to 1,000; and \"m\" is from 1 to 100).",
  "title": "NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND PROCESS FOR PRODUCTION THEREOF"
}