{
  "$type": "site.standard.document",
  "description": "To provide a positive electrode active material containing a pyrophosphate compound, ensuring that mixing of impurities is easily prevented to facilitate the synthesis and a high capacity battery is obtained, and a lithium ion battery using the positive electrode material. That is, the present…",
  "path": "/patents/997439",
  "publishedAt": "2012-10-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01B25/42",
    "UNIV TOKYO [JP]"
  ],
  "textContent": "To provide a positive electrode active material containing a pyrophosphate compound, ensuring that mixing of impurities is easily prevented to facilitate the synthesis and a high capacity battery is obtained, and a lithium ion battery using the positive electrode material. That is, the present invention relates to a pyrophosphate compound represented by the formula: Li 2 M 1-x Fe x P 2 O 7 (wherein M represents one or more elements selected from Mn, Zr, Mg, Co, Ni, V and Cu, and 0.3‰¤x‰¤0.9).",
  "title": "PYROPHOSPHATE COMPOUND AND METHOD FOR PRODUCING SAME"
}