{
  "$type": "site.standard.document",
  "description": "To improve performance. A negative electrode material is a negative electrode material for a battery, and includes carbon, tungsten trioxide, and silicon particles () including silicon, and in the silicon particles (), a ratio of the amount of Si in Si2p derived from elemental silicon to the amount…",
  "path": "/patents/1361803",
  "publishedAt": "2024-04-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/386",
    "MITSUBISHI MATERIALS CORPORATION"
  ],
  "textContent": "To improve performance. A negative electrode material is a negative electrode material for a battery, and includes carbon, tungsten trioxide, and silicon particles () including silicon, and in the silicon particles (), a ratio of the amount of Si in Si2p derived from elemental silicon to the amount of Si in Si2p derived from SiOin a surface layer is 3 or more, on an atomic concentration basis, as measured by X-ray photoelectron spectroscopy.",
  "title": "NEGATIVE ELECTRODE MATERIAL, BATTERY, PRODUCTION METHOD FOR NEGATIVE ELECTRODE MATERIAL, AND MANUFACTURING METHOD FOR BATTERY"
}