{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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  "description": "A nickel-hydrogen secondary battery (2) includes an electrode group (22) comprising a separator (28), a positive electrode (24), and a negative electrode (26), and the positive electrode (24) contains a positive electrode active material (36) including a base particle (38) comprising a nickel…",
  "path": "/patents/922389",
  "publishedAt": "2017-08-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C01G51/04",
    "FDK CORP [JP]"
  ],
  "textContent": "A nickel-hydrogen secondary battery (2) includes an electrode group (22) comprising a separator (28), a positive electrode (24), and a negative electrode (26), and the positive electrode (24) contains a positive electrode active material (36) including a base particle (38) comprising a nickel hydroxide particle solid-dissolving Mn therein and a conductive layer (40) comprising a Co compound and covering the surface of the base particle (38), and the nickel-hydrogen secondary battery (2) is characterized in that the X-ray absorption edge energy of Mn detected within 6500 to 6600 eV in measurement with an XAFS method is 6548 eV or higher.",
  "title": "POSITIVE ELECTRODE ACTIVE MATERIAL FOR ALKALINE SECONDARY BATTERY AND ALKALINE SECONDARY BATTERY INCLUDING THE POSITIVE ELECTRODE ACTIVE MATERIAL"
}