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Evaluation of a cobalt-molybdenum-boron catalyst for hydrogen generation of alkaline sodium borohydride solution-aluminum powder system
D. W. Zhuang; Q. Kang; S. S. Muir; X. D. Yao; H. B. Dai; G. L. Ma; P. Wang
2013
Source PublicationJournal of Power Sources
ISSN0378-7753
Volume224Pages:304-311
AbstractCatalyst 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. (C) 2012 Elsevier B.V. All rights reserved.
description.department[zhuang, da-wei ; dai, hong-bin ; ma, guang-lu ; wang, ping] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [kang, qiang] chinese acad sci, inst met res, anal & testing div, shenyang 110016, peoples r china. [muir, sean s. ; yao, xiangdong] univ queensland, australian inst bioengn & nanotechnol, arc ctr excellence funct nanomat, brisbane, qld 4072, australia. [yao, xiangdong] griffith univ, queensland micro & nanotechnol ctr, nathan, qld 4111, australia. ; dai, hb (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china. ; hbdai@imr.ac.cn ; pingwang@imr.ac.cn
KeywordHydrogen Generation Sodium Borohydride Cobalt-molybdenum-boron Catalyst Aluminum Powder b Catalyst Chemical Hydride Alloy Catalysts Fuel-cell Hydrolysis Storage Nabh4 Nickel Foam
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71758
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
D. W. Zhuang,Q. Kang,S. S. Muir,et al. Evaluation of a cobalt-molybdenum-boron catalyst for hydrogen generation of alkaline sodium borohydride solution-aluminum powder system[J]. Journal of Power Sources,2013,224:304-311.
APA D. W. Zhuang.,Q. Kang.,S. S. Muir.,X. D. Yao.,H. B. Dai.,...&P. Wang.(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.
MLA D. W. Zhuang,et al."Evaluation of a cobalt-molybdenum-boron catalyst for hydrogen generation of alkaline sodium borohydride solution-aluminum powder system".Journal of Power Sources 224(2013):304-311.
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