Effect of substituting Al for Co on the hydrogen-storage performance of La0.7Mg0.3Ni2.6AlxCo0.5-x (x=0.0-0.3) alloys
文献类型：期刊论文
| 作者 | Liu, Yixin1; Xu, Liqin1; Jiang, Weiqing1; Li, Guangxu1; Wei, Wenlou1; Guo, Jin1,2 |
| 刊名 | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
 |
| 出版日期 | 2009-04-01 |
| 卷号 | 34期号:7页码:2986-2991 |
| 关键词 | Hydrogen-storage alloy Hydrogen-storage performance Thermal stability |
| ISSN号 | 0360-3199 |
| DOI | 10.1016/j.ijhydene.2008.08.052 |
| 通讯作者 | Guo, Jin(guojin@gxu.edu.cn) |
| 英文摘要 | La0.7Mg0.3Ni2.6AlxCo0.5-x (x = 0.0-0.3) alloys were prepared by induction melting, and the effects of partially substituting Al for Co on the structure and hydrogen-storage properties of the alloys were investigated systematically. It is found that La(Ni, Co, Al)(5) phase with hexagonal CaCu5-type structure, LaNi3 phase with PuNi3 Structure and MgNi2 phase exist as the main phases in La0.7Mg0.3Ni2.6AlxCo0.5-x (x = 0.0-0.3) alloys, and the cell volume of the La(Ni, Co, AI)5 phase increases with the amount of Al added. The results show that the substitution of Al for Co can reduce the plateau pressure and the hysteresis between hydrogen absorption and desorption, and improve the hydrogen-absorption capacity and thermal stability of the hydride. Moreover, the addition of Al can delay the oxidation of the surface layer of the alloy electrodes in electrolyte, slow down the capacity degradation and prolong the cycling lifetime, and enhance the electrocatalytic activity of the hydrogen-storage electrodes for hydrogen oxidation. (C) 2009 Published by Elsevier Ltd on behalf of international Association for Hydrogen Energy. |
| 资助项目 | National Natural Science Foundation of China[50561002] ; National Natural Science Foundation of China[50861003] ; Natural Science Foundation of Guangxi[0728028] ; Guangxi University Key Program for Science and Technology Research[2004ZD04] |
| WOS研究方向 | Chemistry ; Electrochemistry ; Energy & Fuels |
| 语种 | 英语 |
| WOS记录号 | WOS:000265473900016 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| 资助机构 | National Natural Science Foundation of China ; Natural Science Foundation of Guangxi ; Guangxi University Key Program for Science and Technology Research |
| 源URL | [http://ir.imr.ac.cn/handle/321006/95858]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Guo, Jin |
| 作者单位 | 1.Guangxi Univ, Coll Phys Sci & Technol, Minist Nonferrous Met & Mat Proc Technol, Key Lab Natl Educ, Nanning 530004, Peoples R China 2.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Yixin,Xu, Liqin,Jiang, Weiqing,et al. Effect of substituting Al for Co on the hydrogen-storage performance of La0.7Mg0.3Ni2.6AlxCo0.5-x (x=0.0-0.3) alloys[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2009,34(7):2986-2991. |
| APA | Liu, Yixin,Xu, Liqin,Jiang, Weiqing,Li, Guangxu,Wei, Wenlou,&Guo, Jin.(2009).Effect of substituting Al for Co on the hydrogen-storage performance of La0.7Mg0.3Ni2.6AlxCo0.5-x (x=0.0-0.3) alloys.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,34(7),2986-2991. |
| MLA | Liu, Yixin,et al."Effect of substituting Al for Co on the hydrogen-storage performance of La0.7Mg0.3Ni2.6AlxCo0.5-x (x=0.0-0.3) alloys".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 34.7(2009):2986-2991. |
入库方式： OAI收割
来源：金属研究所
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