{
  "$type": "site.standard.document",
  "description": "An object of the present invention is to provide a highly durable solid polymer electrolyte (1) that has a deterioration resistance equal to or higher than that of the fluorine-containing solid polymer electrolytes or a deterioration resistance sufficient for practical purposes, and can be produced…",
  "path": "/patents/1097325",
  "publishedAt": "2003-03-26T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C08G75/23",
    "HITACHI LTD [JP]"
  ],
  "textContent": "An object of the present invention is to provide a highly durable solid polymer electrolyte (1) that has a deterioration resistance equal to or higher than that of the fluorine-containing solid polymer electrolytes or a deterioration resistance sufficient for practical purposes, and can be produced at a low cost. According to the present invention, there is provided a solid polymer electrolyte comprising a polyether ether sulfone that is used as an electrolyte and has sulfoalkyl groups bonded to its aromatic rings and represented by the general formula -(CH 2 ) n -SO 3 H.",
  "title": "Solid polyelectrolyte, assembly of membrane and electrodes, and fuel cell"
}