{
  "$type": "site.standard.document",
  "description": "The present invention has as its object the provision of a solid polymer fuel cell catalyst exhibiting high durability and high power generation performance regardless of the humidification conditions or load conditions. [0002] The present invention relates to a solid polymer type fuel cell…",
  "path": "/patents/1011290",
  "publishedAt": "2011-07-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B01J23/42",
    "NIPPON STEEL CORP [JP]"
  ],
  "textContent": "The present invention has as its object the provision of a solid polymer fuel cell catalyst exhibiting high durability and high power generation performance regardless of the humidification conditions or load conditions. [0002] The present invention relates to a solid polymer type fuel cell catalyst which is comprised of a carbon material which carries a catalyst ingredient, wherein the amount of adsorption of water vapor (V) at 25°C and a relative humidity of 10% of the carbon material is 2 ml/g or less and the amount of adsorption of water vapor (V) at 25°C and a relative humidity of 90% of the carbon material is 400 ml/g or more.",
  "title": "CATALYST FOR SOLID POLYMER ELECTROLYTE FUEL CELL, ELECTRODE FOR SOLID POLYMER ELECTROLYTE FUEL CELL, AND FUEL CELL"
}