Thermodynamical stability and dehydriding property of calcium borohydride Ca(BH4)2

masakazu aoki, Kazutoshi Miwa, Tatsuo Noritake, Haiwen Li, Shin Ichi Orimo

研究成果: Contribution to journalArticle査読

抄録

We report our theoretical and experimental studies on the thermodynamical stability and dehydriding property of Ca(BH4)2. The polymorphic crystal structures of Ca(BH4)2 have been investigated by the synchrotron powder X-ray diffraction measurement. Using the structural information, the first-principles calculations have been performed to investigate the fundamental properties of Ca(BH4)2. The dehydriding reaction is predicted to be
Ca(BH4)2→2/3CaH2+1/3CaB6+10/3H2
, which is supported by the thermogravimetric analysis and the pressure-composition (p-c) isotherm measurement.
本文言語英語
ページ(範囲)43-51
ジャーナルR&D Review of Toyota CRDL
44
出版ステータス出版済み - 2013

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