{
  "$type": "site.standard.document",
  "description": "Provided is a carbon material for a negative electrode of a lithium ion secondary battery, which has a small particle diameter, high initial charge-discharge efficiency, and a high 2C discharge rate, and achieves both input-output characteristics and durability. Disclosed is a carbon material for a…",
  "path": "/patents/1316268",
  "publishedAt": "2022-04-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01B32/205",
    "JFE CHEMICAL CORPORATION"
  ],
  "textContent": "Provided is a carbon material for a negative electrode of a lithium ion secondary battery, which has a small particle diameter, high initial charge-discharge efficiency, and a high 2C discharge rate, and achieves both input-output characteristics and durability. Disclosed is a carbon material for a negative electrode of a lithium ion secondary battery, in which a 50% by volume particle diameter in a cumulative frequency distribution is 1.0 μm or more and less than 5.0 μm, a specific surface area by a BET method is 6.5 m/g or less, a tap density (D) is 0.70 g/cmor more, and a Raman R value obtained by Raman spectroscopy is more than 0.100 and less than 0.300, and the carbon material has a carbonaceous film on a surface of graphitized material particles of a mesophase microbead.",
  "title": "CARBON MATERIAL FOR NEGATIVE ELECTRODE OF LITHIUM ION SECONDARY BATTERY AND METHOD OF PRODUCING THE SAME, AND NEGATIVE ELECTRODE AND LITHIUM ION SECONDARY BATTERY USING THE CARBON MATERIAL"
}