2003
DOI: 10.1016/s0013-4686(03)00474-2
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CO tolerance on PtMo/C electrocatalysts prepared by the formic acid method

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Cited by 133 publications
(110 citation statements)
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“…As condições para a realização dos experimentos de voltametria cíclica e voltametria de "stripping" de CO estão discutidas na literatura 7 . Estas experiências foram realizadas a 20 mV s -1 à temperatura ambiente, apenas nos ânodos (eletrodo de trabalho) após a injeção constante de nitrogênio para desoxigenação do sistema.…”
Section: Parte Experimentalunclassified
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“…As condições para a realização dos experimentos de voltametria cíclica e voltametria de "stripping" de CO estão discutidas na literatura 7 . Estas experiências foram realizadas a 20 mV s -1 à temperatura ambiente, apenas nos ânodos (eletrodo de trabalho) após a injeção constante de nitrogênio para desoxigenação do sistema.…”
Section: Parte Experimentalunclassified
“…Nota-se que a curva de polarização da célula na presença de H 2 /O 2 apresenta o perfil típico observado em trabalhos prévios 1,7,8,11,16 . Observa-se também que a introdução de H 2 /CO (100 ppm) no lugar de H 2 puro leva a um acentuado decréscimo no desempenho do sistema.…”
Section: Efeito Da Temperatura De Tratamentounclassified
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“…For the Pt-Mo system Santiago et al [11] proposed that lower CO concentration can be achieved in the gas channels of the electrode by removing CO with a heterogeneous chemical reaction catalyzed by Mo sites, i.e., the well-known water gas shift reaction (WGSR), which involves the conversion of CO to CO 2 without the direct participation of protons and electrons. It has been proposed [2,12] that by using Pt/WO x electrocatalysts, the occurrence of WGSR acting together with the bifunctional mechanism also cannot be discarded.…”
Section: Introductionmentioning
confidence: 99%
“…[5][6][7][8][9][10][11] In acidic media, among all metals,P ta nd Pd are the metal catalysts of choice for the oxidation of many organic molecules. Also, the search for suitable alloys with higher catalytic activity is mainly based on Pt alloys, including metals such as Bi, [12][13][14][15] Pb, [16,17] Sn, [18,19] or Mo, [20,21] among others, in the matrix. On the other hand, in alkaline media, Au electrodes are quite often more active than Pt and Pd electrodes towards the oxidation of carbon monoxide and somes mall organic molecules.…”
Section: Introductionmentioning
confidence: 99%