{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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  "description": "The object of an exemplary embodiment of the invention is to provide a separator for an electric storage device which has small heat shrinkage in a high-temperature environment, and in which the increase of the battery temperature can be suppressed. An exemplary embodiment of the invention is a…",
  "path": "/patents/980331",
  "publishedAt": "2014-01-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01G11/06",
    "NEC CORP [JP]"
  ],
  "textContent": "The object of an exemplary embodiment of the invention is to provide a separator for an electric storage device which has small heat shrinkage in a high-temperature environment, and in which the increase of the battery temperature can be suppressed. An exemplary embodiment of the invention is a separator for an electric storage device, which comprises a cellulose derivative represented by a prescribed formula. The separator for an electric storage device can be obtained, for example, by treating a cellulose separator containing cellulose with a halogen-containing carboxylic acid or a halogen-containing alcohol.",
  "title": "SEPARATOR FOR ACCUMULATORS, AND ACCUMULATOR"
}