{
  "$type": "site.standard.document",
  "description": "A negative electrode active material including negative electrode active material particles, wherein the negative electrode active material particles contain silicon compound particles containing a silicon compound, the silicon compound particles contain LiSiO, at least a part of a surface of the…",
  "path": "/patents/1329934",
  "publishedAt": "2022-10-20T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/48",
    "SHIN-ETSU CHEMICAL CO., LTD."
  ],
  "textContent": "A negative electrode active material including negative electrode active material particles, wherein the negative electrode active material particles contain silicon compound particles containing a silicon compound, the silicon compound particles contain LiSiO, at least a part of a surface of the silicon compound particles is covered with a carbon layer, and a surface layer of the negative electrode active material particles contains a substance having a carboxylic acid structure. Provided by this configuration is a negative electrode active material capable of increasing battery capacity due to improved initial efficiency and capable of realizing satisfactory battery cycle characteristics.",
  "title": "NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE AND METHOD FOR PRODUCING THEM"
}