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Ruthenium/palladium/carbon catalyst useful for electro-oxidation of the formic acid in formic acid fuel cells comprises palladium and ruthenium deposited on a carbon support
Ruthenium/palladium/carbon catalyst useful for electro-oxidation of the formic acid in formic acid fuel cells comprises palladium and ruthenium deposited on a carbon support
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机译:可用于甲酸燃料电池中甲酸电氧化的钌/钯/碳催化剂,包括沉积在碳载体上的钯和钌
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摘要
Ruthenium/palladium/carbon catalyst comprises palladium and ruthenium deposited on a carbon support. The nominal atomic ratio of ruthenium to palladium in the catalyst is 0.2-1.5. Independent claims are also included for: (1) producing ruthenium/palladium/carbon catalyst comprising (a) providing palladium/carbon catalyst with a palladium crystallite size of less than 5 nm, and (b) subsequently depositing ruthenium on the produced palladium/carbon catalyst; and (2) a formic acid fuel cell comprising a cathode, preferably palladium/carbon catalyst, an ion-conducting membrane, and an anode, preferably palladium catalyst refined with ruthenium, where the palladium catalyst refined with ruthenium is ruthenium/palladium/carbon catalyst.
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