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| Preparation and Hydrogen Storage Property of Mg10Al(7-x)Li2Tix(x=0,1,2,3) Alloys |
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Received:September 28, 2016
Revised:October 06, 2016
Accepted:October 08, 2016
Published Online:December 21, 2016
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| DOI：doi：10.3969/j.issn.1007-7545.2017.01.016 |
| KeyWord:Mg-Al-Li alloy; mechanical alloying; catalyst; hydrogen storage performance |
| Author | Institution |
| Huang Xiantun |
百色学院 材料科学与工程学院 |
| Li Liujie |
广西大学 物理科学与工程技术学院 |
| Qin Changsheng |
百色学院 材料科学与工程学院 |
| Xie Zhengzhuan |
广西大学 物理科学与工程技术学院 |
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| Abstract: |
| Mg10Al(7-x)Li2Tix(x=0,1,2,3) alloys were prepared by mechanical alloying under hydrogen atmosphere protection and characterized by XRD, SEM and DSC. The results show that Ti addition can improve hydrogen absorption capacity of alloys, reduce initial alloy hydride temperature, and improve performance of alloy hydrogen absorption kinetics. Initial hydride temperatures of Mg10Al(7-x)Li2Tix(x=0,1,2,3) alloys are all 62 K lower than those of Mg10Al7Li2 alloy, and initial dehydrogenation temperature drops by 77, 98, and 59 K respectively. The optimum comprehensive hydrogen storage performance is obtained with x=2. |
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