{
  "$type": "site.standard.document",
  "description": "The present invention is a catalyst for use in a fuel electrode of a polymer solid electrotype fuel cell which is formed by making a carbon powder support platinum and ruthenium thereon, and is characterized in that the loading ratio between platinum and ruthenium is from 1:2.5 to 1:4 (in molar…",
  "path": "/patents/1080889",
  "publishedAt": "2005-01-12T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B01J23/462",
    "TANAKA PRECIOUS METAL IND [JP]"
  ],
  "textContent": "The present invention is a catalyst for use in a fuel electrode of a polymer solid electrotype fuel cell which is formed by making a carbon powder support platinum and ruthenium thereon, and is characterized in that the loading ratio between platinum and ruthenium is from 1:2.5 to 1:4 (in molar ratio). It is preferable that the loading density of the catalyst is 40 to 70%. Additionally, it is preferable that a carbon powder having a specific surface area of 600 to 1,200 m/g is used as the carrier supporting the catalyst particles.",
  "title": "CATALYST FOR FUEL ELECTRODE OF POLYMER SOLID ELECTROLYTE FUEL CELL"
}