Performance evaluation of hydrogen generation system with electroless-deposited Co-P/Ni foam catalyst for NaBh(4) hydrolysis

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In this work, the performance of a hydrogen generation system with an electroless-deposited Co-P/Ni foam catalyst for NaBH4 hydrolysis was evaluated. The performance of a hydrogen generator using a combination of Co/gamma-Al2O3 and Co-P/Ni foam catalysts was also evaluated in order to address the shortcomings with the individual catalysts. The generator had high conversion efficiency, fast response characteristics, and strong catalyst durability. Hydrogen generation tests were performed to investigate the effect of the composition of the NaBH4 solution on the hydrogen generation properties. The generator's conversion efficiency decreased with an increase in the amount of solute dissolved in NaBH4 solution because of the accumulation of precipitates on the catalyst, and NaOH concentration had a greater effect on the hydrogen generation properties than did NaBH4 concentration. According to these results, the hydrogen generation system with the Co-P/Ni foam catalyst is suitable as a hydrogen supplier for proton exchange membrane fuel cells owing to the strong durability and inexpensive cost of the catalyst. Copyright (C) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2013-05
Language
English
Article Type
Article
Keywords

SODIUM-BOROHYDRIDE SOLUTION; COBALT-PHOSPHORUS CATALYSTS; PULSED-LASER DEPOSITION; FUEL-CELL; B CATALYST; EFFICIENT CATALYST; BORIDE CATALYSTS; RU CATALYST; THIN-FILMS; KINETICS

Citation

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v.38, no.15, pp.6425 - 6435

ISSN
0360-3199
DOI
10.1016/j.ijhydene.2013.03.068
URI
http://hdl.handle.net/10203/174053
Appears in Collection
AE-Journal Papers(저널논문)
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