{
  "$type": "site.standard.document",
  "description": "[Problem] [0002] Provided is a negative electrode material for a sodium secondary battery and its manufacturing method, and a negative electrode for a sodium secondary battery, and a sodium secondary battery, wherein the negative electrode material can have excellent cycle characteristics while…",
  "path": "/patents/969863",
  "publishedAt": "2014-09-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/054",
    "NAT INST OF ADVANCED IND SCIEN [JP]"
  ],
  "textContent": "[Problem] [0002] Provided is a negative electrode material for a sodium secondary battery and its manufacturing method, and a negative electrode for a sodium secondary battery, and a sodium secondary battery, wherein the negative electrode material can have excellent cycle characteristics while maintaining high discharge capacity. [0003] [Solution] [0004] A negative electrode material for a sodium secondary battery according to the present invention includes sulfide or sulfide composite body containing sulfur and antimony, and as necessary further includes the following component(s) of (i): (i) at least one or more element(s) selected from a group consisting of Sn, As, Bi, Ge, Ga, Pb, and C, wherein when a component(s) of (i) is included, the ratio of each of the above described components is sulfide: 10 to 70 mol %, antimony: 10 to 70 mol %, and (i): 3 to 60 mol %.",
  "title": "NEGATIVE ELECTRODE MATERIAL FOR SODIUM SECONDARY BATTERY AND METHOD FOR PRODUCING SAME, NEGATIVE ELECTRODE FOR SODIUM SECONDARY BATTERY, AND SODIUM SECONDARY BATTERY"
}