{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "In a method for producing a positive electrode active material including a mixing step of mixing a plurality of substances to give a precursor and a sintering step of sintering and reacting said precursor obtained by said mixing step, in which these substances prove a starting material for…",
  "path": "/patents/1113493",
  "publishedAt": "2001-04-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01B25/37",
    "SONY CORP [JP]"
  ],
  "textContent": "In a method for producing a positive electrode active material including a mixing step of mixing a plurality of substances to give a precursor and a sintering step of sintering and reacting said precursor obtained by said mixing step, in which these substances prove a starting material for synthesis of a compound represented by the general formula LixMyPO4 where x is such that 0 < x ≤ 2, y is such that 0.8 ≤ y ≤ 1.2 and M includes at lest one of 3d transition metals,, a reducing agent is added in the above mixing step to said precursor to render it possible to prepare a positive electrode active material capable of reversibly and satisfactorily doping/undoping lithium.",
  "title": "METHOD FOR MANUFACTURING ACTIVE MATERIAL OF POSITIVE PLATE AND METHOD FOR MANUFACTURING NONAQUEOUS ELECTROLYTE SECONDARY CELL"
}