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    • 5. 发明申请
    • Platinum and titanium containing electrocatalysts
    • 铂和钛含电极催化剂
    • US20070160897A1
    • 2007-07-12
    • US11429251
    • 2006-05-08
    • Ting HeEric Kreidler
    • Ting HeEric Kreidler
    • H01M4/92B01J23/56B01J23/42
    • H01M4/921B01J23/002B01J2523/00H01M4/8657H01M4/926H01M2008/1095B01J2523/47B01J2523/824B01J2523/828B01J2523/845
    • The present teachings are directed toward electrocatalyst compositions of platinum, titanium, a third, fourth and possibly fifth metal for use in fuel cells. The electrocatalyst composition is composed essentially of platinum present in an atomic percentage ranging between about 30 percent and about 85 percent, titanium present in an atomic percentage ranging between about 5 percent and about 30 percent, a third metal present in an atomic percentage ranging between about 1 percent and about 30 percent, a fourth metal present in an atomic percentage ranging between about 1 percent and about 30 percent, and a possible fifth metal present in an atomic percentage ranging between about 1 percent and about 30 percent. The third metal can be at least one member selected from the group consisting of nickel, vanadium, molybdenum, copper, manganese, iron, cobalt, ruthenium, rhodium, palladium, silver, osmium, iridium and gold. The fourth and fifth metals are different from the third metal and each other and can be selected from the group consisting of scandium, vanadium, chromium, manganese, iron, nickel, copper, zinc, yttrium, zirconium, niobium, molybdenum, cadmium, tin, hafnium, tantalum and rhenium.
    • 本教导涉及用于燃料电池中的铂,钛,第三,第四和第五金属的电催化剂组合物。 电催化剂组合物基本上由以约30%至约85%之间的原子百分比存在的铂组成,原子百分比范围在约5%至约30%之间的钛,存在的原子百分比范围在约 1%和约30%的原子百分比范围在约1%至约30%之间的第四种金属和以约1%至约30%之间的原子百分比存在的可能的第五金属。 第三金属可以是选自镍,钒,钼,铜,锰,铁,钴,钌,铑,钯,银,锇,铱和金中的至少一种。 第四和第五金属与第三金属不同,彼此不同,可选自钪,钒,铬,锰,铁,镍,铜,锌,钇,锆,铌,钼,镉,锡 ,铪,钽和铼。