{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "The present invention provides a method for preparing an anode active material for a nonaqueous lithium secondary battery, comprising the steps of: preparing a carbon-based material; forming a precursor coating layer comprising Me and A (wherein A is O or S) on the surface of the carbon-based…",
  "path": "/patents/1322056",
  "publishedAt": "2022-07-07T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/366",
    "KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTE"
  ],
  "textContent": "The present invention provides a method for preparing an anode active material for a nonaqueous lithium secondary battery, comprising the steps of: preparing a carbon-based material; forming a precursor coating layer comprising Me and A (wherein A is O or S) on the surface of the carbon-based material; supplying a P precursor to the precursor coating layer of the carbon-based material; and converting at least a part of the precursor coating layer into a compound represented by MeP(wherein x1>0 and y1>0) by the reaction of the precursor coating layer and the P precursor, thereby forming a phosphide coating layer, wherein Me is at least one type of the same metal element selected from among Mo, Ni, Fe, Co, Ti, V, Cr, Nb and Mn.",
  "title": "ANODE ACTIVE MATERIAL COMPRISING METAL PHOSPHIDE COATING ON SURFACE OF CARBON MATERIAL, PREPARATION METHOD THEREFOR, NONAQUEOUS LITHIUM SECONDARY BATTERY COMPRISING ANODE ACTIVE MATERIAL, AND MANUFACTURING METHOD THEREFOR"
}