Catalyst, process for preparing the same, and uses of the catalyst
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United States of America Patent
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Nov 18, 2014
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Aug 8, 2008
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Sep 7, 2007
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Abstract
The present invention provides a catalyst which is not corroded in an acidic electrolyte or at a high potential, is excellent in durability and has high oxygen reduction ability. The catalyst of the present invention is characterized by including a niobium oxycarbonitride. The catalyst of the invention is also characterized by including a niobium oxycarbonitride represented by the composition formula NbCxNyOz, wherein x, y and z represent a ratio of the numbers of atoms and are numbers satisfying the conditions of 0.01≦x≦2, 0.01≦y≦2, 0.01≦z≦3 and x+y+z≦5.
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