期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 482, 期 1-2, 页码 L18-L21出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2009.03.191
关键词
Hydrogen storage; Ca-Li-Mg; C14-type Laves phase; X-ray diffraction; Pressure-composition isotherms
资金
- New Energy and Industrial Technology Development Organization (NEDO)
CaLi2-xMgx (0 <= x <= 2) which has the C14-type Laves phase structure has been successfully synthesized and hydrogenated. The C14-type Laves phase structure was kept after hydrogenation of CaLi2-xMgx (x = 0.2, 0.5, 1). After hydrogenation of CaLi2 and CaMg2, the Laves phase disappeared. The CaH2 and LiH phases were formed from CaLi2 and the CaH2 and Mg phases from CaMg2, respectively CaLi2-xMgx (0 <= x <= 2) ternary alloys formed stable hydride phases with the C14-type Laves phase structure in contrast to CaLi2 and CaMg2 binary alloys. (C) 2009 Elsevier B.V. All rights reserved.
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