Improved hydrogen storage property of Li-Mg-B-H system by milling with titanium trifluoride
文献类型：期刊论文
| 作者 | P. J. Wang ; L. P. Ma ; Z. Z. Fang ; X. D. Kang ; P. Wang |
| 刊名 | Energy & Environmental Science
 |
| 出版日期 | 2009 |
| 卷号 | 2期号:1页码:120-123 |
| 关键词 | complex hydrides libh4 tif3 kinetics naalh4 |
| ISSN号 | 1754-5692 |
| 中文摘要 | The Li-Mg-B-H system that is prepared from 2LiH + MgB(2) or 2LiBH(4) + MgH(2) possesses high hydrogen capacity and relatively favorable thermodynamics, but it is greatly restricted in practical hydrogen storage applications by problematic H-exchange kinetics. In the present study, TiF(3) was mechanically milled with a 2LiH + MgB(2) mixture and examined with respect to its effect on reversible dehydrogenation of the Li-Mg-B-H system. Experimental study showed that TiF(3) is highly effective for promoting the two-step dehydrogenation reaction in the Li-Mg-B-H system. Compared to the neat 2LiH + MgB(2) sample, the 2LiH + MgB(2) + 0.01TiF(3) sample exhibits significantly reduced dehydrogenation temperature and markedly enhanced dehydriding rate at both steps. Furthermore, the catalytic enhancement arising upon adding TiF(3) additive was observed to persist well in the hydrogenation/dehydrogenation cycles. Based on the results of phase analysis and a series of designed experiments, the mechanism underlying the observed property improvement is discussed. |
| 原文出处 | |
| 公开日期 | 2012-04-13 |
| 源URL | [http://210.72.142.130/handle/321006/32369]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | P. J. Wang,L. P. Ma,Z. Z. Fang,et al. Improved hydrogen storage property of Li-Mg-B-H system by milling with titanium trifluoride[J]. Energy & Environmental Science,2009,2(1):120-123. |
| APA | P. J. Wang,L. P. Ma,Z. Z. Fang,X. D. Kang,&P. Wang.(2009).Improved hydrogen storage property of Li-Mg-B-H system by milling with titanium trifluoride.Energy & Environmental Science,2(1),120-123. |
| MLA | P. J. Wang,et al."Improved hydrogen storage property of Li-Mg-B-H system by milling with titanium trifluoride".Energy & Environmental Science 2.1(2009):120-123. |
入库方式： OAI收割
来源：金属研究所
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