{
  "$type": "site.standard.document",
  "description": "This negative electrode for a nonaqueous electrolyte secondary battery is configured such that a negative electrode mixture layer has: a first layer that is formed on a negative electrode collector and that contains a first carbonaceous active material, a Si-based active material, a polyacrylic…",
  "path": "/patents/1421559",
  "publishedAt": "2025-10-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/0569",
    "PANASONIC IP MAN CO LTD [JP]"
  ],
  "textContent": "This negative electrode for a nonaqueous electrolyte secondary battery is configured such that a negative electrode mixture layer has: a first layer that is formed on a negative electrode collector and that contains a first carbonaceous active material, a Si-based active material, a polyacrylic acid or a salt thereof, and a fibrous carbon; and a second layer that is formed on the first layer and that contains a second carbonaceous active material which has a tap density higher than that of the first carbonaceous active material.",
  "title": "NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY"
}