期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 639, 期 -, 页码 452-457出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2015.03.196
关键词
Metal hydride; Laves phase; Desorption pressure; Hydrogen storage
资金
- National Natural Science Foundation of China [51431001, 51271078, U120124]
- GDUPS
- DEGP [cxzd1010]
- International Science & Technology Cooperation Program of China [2015DFA51750]
- Guangdong Natural Science Foundation [2014A030311004]
(Ti0.85Zr0.15)(1.1)Cr-1 xMnFex (x = 0, 0.05, 0.075, 0.1, 0.15) alloys with a C14-type Laves structure have been investigated for potential application in hybrid high-pressure metal hydride tanks used for fuel cell vehicles. The effects of the partial substitution of Cr with Fe on the hydrogen storage properties of (Ti0.85Zr0.15)(1.1)CrMn have been systematically investigated. Results show that the desorption plateau pressure increases with increasing the Fe content in (Ti0.85Zr0.15)(1.1)Cr-1 xMnFex alloys, whereas the hydrogen capacity decreases. Among these alloys, (Ti0.85Zr0.15)(1.1)Cr0.925MnFe0.075 has the best overall properties, with a hydrogen desorption pressure of 10.6 atm and a reversible capacity of 1.54 wt% at 0 degrees C under the pressure range between 0.1 atm and 120 atm. (C) 2015 Elsevier B.V. All rights reserved.
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