{
  "$type": "site.standard.document",
  "description": "A negative electrode material provided by the present invention capable of suppressing a decrease in charge acceptance and high temperature storage properties in an electrode with a high capacity and a high density is a mixed carbon material comprising carbon material A having cores of graphite…",
  "path": "/patents/1014212",
  "publishedAt": "2011-04-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01B32/00",
    "CHUO DENKI KOGYO CO LTD [JP]"
  ],
  "textContent": "A negative electrode material provided by the present invention capable of suppressing a decrease in charge acceptance and high temperature storage properties in an electrode with a high capacity and a high density is a mixed carbon material comprising carbon material A having cores of graphite powder with amorphous carbon and/or turbostratic carbon adhered to or coated on the surface of the cores and carbon material B which is graphite powder, the compressibility which is the density (g/cm 3 ) of the material when 1.00 grams of the material are packed into a cylindrical mold with an inner diameter of 15 mm and compressed by applying a pressing force of 8.7 kN and reducing the pressing force to 0.15 kN is 1.60 - 1.78 g/cm 3 for carbon material A and 1.75 - 1.85 g/cm 3 for carbon material B, the compressibility of carbon material A is less than the compressibility of carbon material B, and the mixing ratio (carbon material A/carbon material B) is 1 - 9 as a mass ratio.",
  "title": "MIXED CARBON MATERIAL AND NEGATIVE ELECTRODE FOR NONAQUEOUS RECHARGEABLE BATTERY"
}