{
  "$type": "site.standard.document",
  "description": "A negative electrode material for a lithium ion secondary battery includes particles in a state in which a plurality of flat graphite particles are aggregated or bonded, and in the negative electrode material, with respect to a volume-based particle diameter measured by a laser…",
  "path": "/patents/1409931",
  "publishedAt": "2023-03-29T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01B32/20",
    "SHOWA DENKO MATERIALS CO LTD [JP]"
  ],
  "textContent": "A negative electrode material for a lithium ion secondary battery includes particles in a state in which a plurality of flat graphite particles are aggregated or bonded, and in the negative electrode material, with respect to a volume-based particle diameter measured by a laser diffraction/scattering method, a cumulative value at 9.516 µm is 8.0% or less, a standard deviation of a particle size distribution is 0.22 or less, and a specific surface area is 3.0 m/g or less.",
  "title": "NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY"
}