Mechanochemical Synthesis of Sodium Borohydride by Recycling Sodium Metaborate

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	Mechanochemical Synthesis of Sodium Borohydride by Recycling Sodium Metaborate
	L. Y. Kong; X. Y. Cui; H. Z. Jin; J. Wu; H. Du; T. Y. Xiong
	2009
发表期刊	Energy & Fuels
ISSN	0887-0624
卷号	23 页码:5049-5054
摘要	Hydrogen can be easily produced from the catalytic hydrolysis of sodium borohydride (NaBH(4)), with sodium metaborate (NaBO(2)) being the co-product. If NaBO(2) can be economically recycled in the process, NaBH(4) could be considered as a promising hydrogen carrier in fuel cells because of its high hydrogen content. In this paper, we report our investigation into the synthesis of NaBH(4) from NaBO(2) via ball milling. The starting materials for the synthesis were NaBO(2) and magnesium hydride (MgH(2)). After ball milling at ambient temperature in inert gas, NaBH(4) and magnesium oxide (MgO) were produced. The synthesized NaBH(4) was extracted from the admixture by isopropylamine. Our results indicated that the yield of NaBH(4) from this process was 71 wt.% when the MgH(2)/NaBO(2) mole ratio, ball/powder ratio (BPR), inert gas (argon) pressure, and milling time were 2.07:1, 50:1, 200 kPa, and 2 h, respectively. The mole ratio of the reactants (MgH(2) and NaBO(2)), ball-milling time, BPR, and milling atmosphere were found to have significant influence over NaBH(4) Synthesis. We present the results and discuss the effects of these key parameters in this paper.
部门归属	[kong, lingyan; cui, xinyu; jin, huazi; wu, jie; du, hao; xiong, tianying] chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china.;xiong, ty (reprint author), chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china;tyxiong@imr.ac.cn
关键词	Hydrogen Generation Metal Hydrides Hydrolysis Storage Catalysts Systems Borate
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WOS记录号	WOS:000270671800049
引用统计	被引频次：48[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/32005
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	L. Y. Kong,X. Y. Cui,H. Z. Jin,et al. Mechanochemical Synthesis of Sodium Borohydride by Recycling Sodium Metaborate[J]. Energy & Fuels,2009,23:5049-5054.
APA	L. Y. Kong,X. Y. Cui,H. Z. Jin,J. Wu,H. Du,&T. Y. Xiong.(2009).Mechanochemical Synthesis of Sodium Borohydride by Recycling Sodium Metaborate.Energy & Fuels,23,5049-5054.
MLA	L. Y. Kong,et al."Mechanochemical Synthesis of Sodium Borohydride by Recycling Sodium Metaborate".Energy & Fuels 23(2009):5049-5054.