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Catalysts 2016, 6(5), 68; doi:10.3390/catal6050068

CO-Tolerant Pt–BeO as a Novel Anode Electrocatalyst in Proton Exchange Membrane Fuel Cells

1
Department of Energy & Mineral Resources Engineering, Sejong University, Seoul 05006, Korea
2
Energy Material Laboratory, Samsung Advanced Institute of Technology, 130 Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do 446-712, Korea
3
Urban Mine Department, Korea Institute of Geoscience and Mineral Resources, 124 Gwahang-no, Yuseong-gu, Daejeon 34132, Korea
4
Battery R&D Center, Samsung SDI, 428-5, Gongse-dong, Giheung-gu, Yongin-si, Gyeonggi-do 446-577, Korea
*
Authors to whom correspondence should be addressed.
Academic Editor: Keith Hohn
Received: 15 January 2016 / Revised: 12 April 2016 / Accepted: 27 April 2016 / Published: 10 May 2016
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Abstract

Commercialization of proton exchange membrane fuel cells (PEMFCs) requires less expensive catalysts and higher operating voltage. Substantial anodic overvoltage with the usage of reformed hydrogen fuel can be minimized by using CO-tolerant anode catalysts. Carbon-supported Pt–BeO is manufactured so that Pt particles with an average diameter of 4 nm are distributed on a carbon support. XPS analysis shows that a peak value of the binding energy of Be matches that of BeO, and oxygen is bound with Be or carbon. The hydrogen oxidation current of the Pt–BeO catalyst is slightly higher than that of a Pt catalyst. CO stripping voltammetry shows that CO oxidation current peaks at ~0.85 V at Pt, whereas CO is oxidized around 0.75 V at Pt–BeO, which confirms that the desorption of CO is easier in the presence of BeO. Although the state-of-the-art PtRu anode catalyst is dominant as a CO-tolerant hydrogen oxidation catalyst, this study of Be-based CO-tolerant material can widen the choice of PEMFC anode catalyst. View Full-Text
Keywords: fuel cells; anode; beryllium oxide; hydrogen oxidation; CO tolerance fuel cells; anode; beryllium oxide; hydrogen oxidation; CO tolerance
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Kwon, K.; Jung, Y.; Ku, H.; Lee, K.H.; Kim, S.; Sohn, J.; Pak, C. CO-Tolerant Pt–BeO as a Novel Anode Electrocatalyst in Proton Exchange Membrane Fuel Cells. Catalysts 2016, 6, 68.

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