{
  "$type": "site.standard.document",
  "description": "It is an object of the present invention to provide an oxygen reducing catalyst having high catalytic activity and high durability using a transition metal (such as titanium); and a method for producing a fuel cell electrode catalyst using the oxygen reducing catalyst. The present invention…",
  "path": "/patents/974745",
  "publishedAt": "2014-05-21T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/8652",
    "SHOWA DENKO KK [JP]"
  ],
  "textContent": "It is an object of the present invention to provide an oxygen reducing catalyst having high catalytic activity and high durability using a transition metal (such as titanium); and a method for producing a fuel cell electrode catalyst using the oxygen reducing catalyst. The present invention provides the oxygen reduction catalyst including titanium, carbon, nitrogen, and oxygen as constituent elements at a specific ratio, wherein in XRD measurement using a Cu-K± ray, peaks are each present in at least regions A and B among regions A to D which occupy 2¸ ranges of 42° to 43°, B: 36.5° to 37°, 25° to 26°, and 27° to 28°, respectively; and each of maximum peak intensities I A , I B , I C , and I D in the regions A to D satisfies both relationships of I A >I B and 0.3‰¤ (I A /(I A +I C +I D )) ‰¤1.",
  "title": "OXYGEN REDUCTION CATALYST, PROCESS FOR PRODUCING SAME, AND POLYMER ELECTROLYTE MEMBRANE FUEL CELL"
}