Evaluation of a cobalt-molybdenum-boron catalyst for hydrogen generation of alkaline sodium borohydride solution-aluminum powder system

Zhuang, Da-Wei, Kang, Qiang, Muir, Sean S., Yao, Xiangdong, Dai, Hong-Bin, Ma, Guang-Lu and Wang, Ping (2013) Evaluation of a cobalt-molybdenum-boron catalyst for hydrogen generation of alkaline sodium borohydride solution-aluminum powder system. Journal of Power Sources, 224 304-311. doi:10.1016/j.jpowsour.2012.09.106


Author Zhuang, Da-Wei
Kang, Qiang
Muir, Sean S.
Yao, Xiangdong
Dai, Hong-Bin
Ma, Guang-Lu
Wang, Ping
Title Evaluation of a cobalt-molybdenum-boron catalyst for hydrogen generation of alkaline sodium borohydride solution-aluminum powder system
Journal name Journal of Power Sources   Check publisher's open access policy
ISSN 0378-7753
1873-2755
Publication date 2013-02
Year available 2012
Sub-type Article (original research)
DOI 10.1016/j.jpowsour.2012.09.106
Volume 224
Start page 304
End page 311
Total pages 8
Place of publication Lausanne, Switzerland
Publisher Elsevier
Collection year 2013
Language eng
Formatted abstract
Catalyst study is a central issue in the development of sodium borohydride (NaBH4)-based hydrogen generation systems. Here, we report the preparation, characterization and utilization of a novel cobalt-molybdenum-boron (Co-Mo-B) catalyst. Our study found that the Co-Mo-B catalyst prepared by chemical reduction method using an ethylene glycol solution of cobalt chloride exhibits remarkably higher catalytic activity than the Co-B and Co-Mo-B catalysts prepared in aqueous solution. On the basis of the phase, microstructure and elemental chemical state analyses, the mechanistic reasons for the improved performance of the newly prepared Co-Mo-B catalyst were discussed. Our study demonstrated that the combined usage of concentrated NaBH4 solution, Co-Mo-B catalyst and a small amount of Al powder constitutes a high-performance hydrogen generation system, which can yield >6 wt% hydrogen with fast kinetics and high fuel conversion.
Keyword Hydrogen generation
Sodium borohydride
Cobalt-molybdenum-boron catalyst
Aluminum powder
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Available online: 11 October 2012.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2013 Collection
Australian Institute for Bioengineering and Nanotechnology Publications
 
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