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Hydrogen generation from hydrolysis of solid sodium borohydride promoted by a cobalt-molybdenum-boron catalyst and aluminum powder
D. W. Zhuang; J. J. Zhang; H. B. Dai; P. Wang
2013
Source PublicationInternational Journal of Hydrogen Energy
ISSN0360-3199
Volume38Issue:25Pages:10845-10850
AbstractDirect use of solid sodium borohydride (NaBH4) to react with minimized amount of water provides a straightforward means for increasing the hydrogen density of the system. But meanwhile, the resulting solid-liquid reaction system always suffers from serious kinetic problem. Our study found that the cobalt-molybdenum-boron (Co-Mo-B) catalyst prepared using an ethylene glycol solution of cobalt chloride is highly effective for promoting the hydrolysis reaction of solid NaBH4. Particularly, a combined usage of small amounts of Co-Mo-B catalyst, aluminum powder and sodium hydroxide enables a rapid and high-yield hydrogen generation from the hydrolysis reaction of solid NaBH4. A systematic study has been conducted to investigate the property dependence of the system on the components. In addition, the by-products of reaction were analyzed using powder X-ray diffraction and thermogravimetry/differential scanning calorimety/mass spectroscopy techniques. Our study demonstrates that the multi-component system with an optimized composition can fulfill over 95% fuel conversion, yielding 6.43 wt% hydrogen within 3 mm. The favorable combination of high hydrogen density, fast hydrogen generation kinetics and high fuel conversion makes the newly developed solid NaBH4-based system promising for portable hydrogen source applications. Copyright (C) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
description.department[zhuang, da-wei ; zhang, jing-jing ; dai, hong-bin ; wang, ping] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. ; dai, hb (reprint author), chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china. ; hbdai@imr.ac.cn ; pingwang@imr.ac.cn
KeywordHydrogen Generation Sodium Borohydride Aluminum Cobalt-molybdenum-boron Catalyst Chemical Hydride Storage
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71759
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
D. W. Zhuang,J. J. Zhang,H. B. Dai,et al. Hydrogen generation from hydrolysis of solid sodium borohydride promoted by a cobalt-molybdenum-boron catalyst and aluminum powder[J]. International Journal of Hydrogen Energy,2013,38(25):10845-10850.
APA D. W. Zhuang,J. J. Zhang,H. B. Dai,&P. Wang.(2013).Hydrogen generation from hydrolysis of solid sodium borohydride promoted by a cobalt-molybdenum-boron catalyst and aluminum powder.International Journal of Hydrogen Energy,38(25),10845-10850.
MLA D. W. Zhuang,et al."Hydrogen generation from hydrolysis of solid sodium borohydride promoted by a cobalt-molybdenum-boron catalyst and aluminum powder".International Journal of Hydrogen Energy 38.25(2013):10845-10850.
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