This research aims to investigate Pd-based catalysts as a replacement for Pt-based catalysts for ethanol electrooxidation in alkaline media. The results show that Pd/C has a higher catalytic activity and better steady-state behaviour for ethanol oxidation than that of Pt/C. The effect of the addition of CeO2 and NiO to the Pt/C and Pd/C electrocatalysts on ethanol oxidation is also studied in alkaline media. The electrocatalysts with a weight ratio of noble metal (Pt, Pd) to CeO2 of 2:1 and a noble metal to NiO ration 6:1 show the highest catalytic activity for ethanol oxidation. The oxide promoted Pt/C and Pd/C electrocatalysts show a higher activity than the commercial E-TEK PtRu/C electrocatalyst for ethanol oxidation in alkaline media. (c) 2006 Elsevier B.V. All rights reserved.
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CSIC, Inst Catalisis & Petroleoquim, Grp Energia & Quim Sostenibles, C Marie Curie 2, Madrid 28049, SpainCSIC, Inst Catalisis & Petroleoquim, Grp Energia & Quim Sostenibles, C Marie Curie 2, Madrid 28049, Spain
Torrero, Jorge
Pena, Miguel A.
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CSIC, Inst Catalisis & Petroleoquim, Grp Energia & Quim Sostenibles, C Marie Curie 2, Madrid 28049, SpainCSIC, Inst Catalisis & Petroleoquim, Grp Energia & Quim Sostenibles, C Marie Curie 2, Madrid 28049, Spain
Pena, Miguel A.
Retuerto, Maria
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CSIC, Inst Catalisis & Petroleoquim, Grp Energia & Quim Sostenibles, C Marie Curie 2, Madrid 28049, SpainCSIC, Inst Catalisis & Petroleoquim, Grp Energia & Quim Sostenibles, C Marie Curie 2, Madrid 28049, Spain
Retuerto, Maria
Pascual, Laura
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CSIC, Inst Catalisis & Petroleoquim, C Marie Curie 2, Madrid 28049, SpainCSIC, Inst Catalisis & Petroleoquim, Grp Energia & Quim Sostenibles, C Marie Curie 2, Madrid 28049, Spain
Pascual, Laura
Rojas, Sergio
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CSIC, Inst Catalisis & Petroleoquim, Grp Energia & Quim Sostenibles, C Marie Curie 2, Madrid 28049, SpainCSIC, Inst Catalisis & Petroleoquim, Grp Energia & Quim Sostenibles, C Marie Curie 2, Madrid 28049, Spain