{
  "$type": "site.standard.document",
  "description": "An object of the present invention is to provide a lithium ion secondary battery having a high energy density and improved cycle characteristics. The present invention is related to an electrode for a power storage device comprising a negative electrode mixture layer comprising: (a) a negative…",
  "path": "/patents/1277130",
  "publishedAt": "2020-11-19T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/622",
    "NEC CORPORATION"
  ],
  "textContent": "An object of the present invention is to provide a lithium ion secondary battery having a high energy density and improved cycle characteristics. The present invention is related to an electrode for a power storage device comprising a negative electrode mixture layer comprising: (a) a negative electrode active material (-) comprising 1% or more of a material comprising Si as a constituent element; (b) a first polymer (-) coating the negative electrode active material and comprising vinylidene fluoride as a monomer unit; and (c) a negative electrode binder (-) comprising a second polymer that has a molecular weight of 80,000 or more and comprises at least one monomer unit selected from the group consisting of acrylic acid, acrylate salt, methacrylic acid, and methacrylate salt.",
  "title": "ELECTRODE FOR POWER STORAGE DEVICE AND METHOD FOR PRODUCING SAME"
}