{
  "$type": "site.standard.document",
  "description": "A negative electrode material powder for a lithium ion secondary battery having a conductive carbon film on the surface of a lower-silicon-oxide powder; wherein a specific surface area in BET measurement ranges from more than 0.3 m/g to 40 m/g, and no SiC peak appears at 2θ=35.6°±0.01° or the…",
  "path": "/patents/1116859",
  "publishedAt": "2013-06-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/134",
    "Osaka titanium Technologies Co. Ltd"
  ],
  "textContent": "A negative electrode material powder for a lithium ion secondary battery having a conductive carbon film on the surface of a lower-silicon-oxide powder; wherein a specific surface area in BET measurement ranges from more than 0.3 m/g to 40 m/g, and no SiC peak appears at 2θ=35.6°±0.01° or the half-value width of the appeared peak is 2° or more in XRD measurement using CuK rays. The proportion of said carbon film preferably ranges from 0.2% to 2.5% by mass. Said powder preferably has 100000 Ωcm or less of specific resistance. In XRD, P2/P1",
  "title": "NEGATIVE ELECTRODE MATERIAL POWDER FOR LITHIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR CAPACITOR, LITHIUM ION SECONDARY BATTERY, AND CAPACITOR"
}