{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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    "mimeType": "image/png",
    "size": 115117
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  "description": "A battery includes: a container ; and an electrode group housed in the container together with an alkaline electrolyte liquid . The electrode group includes a nickel electrode as a positive electrode and a negative electrode that are combined with a separator interposed therebetween. The nickel…",
  "path": "/patents/1353575",
  "publishedAt": "2023-10-26T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/32",
    "FDK CORPORATION"
  ],
  "textContent": "A battery includes: a container ; and an electrode group housed in the container together with an alkaline electrolyte liquid . The electrode group includes a nickel electrode as a positive electrode and a negative electrode that are combined with a separator interposed therebetween. The nickel electrode includes a positive electrode core and a positive electrode mixture permeated in the positive electrode core. The positive electrode mixture contains nickel hydroxide that is a positive electrode active material. The nickel hydroxide contains a sulfate salt, and a weight rate of a S component contained in the sulfate salt to a Ni component in the nickel hydroxide is 0.28% or more and 1.50% or less.",
  "title": "NICKEL ELECTRODE FOR ALKALINE SECONDARY BATTERY AND ALKALINE SECONDARY BATTERY INCLUDING NICKEL ELECTRODE"
}