Synthesis and partial dehydrogenation of the impregnated lithium borohydride, LiBH4

Masaharu Menjo, Hai Wen Li, Motoaki Matsuo, Kazutaka Ikeda, Shin Ichi Orimo

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

LiBH4 with high hydrogen density has been attracting great interest as one of potential candidates of advanced hydrogen storage materials. A feasible way to overcome problematic issues on dehydrogenation of LiBH 4, such as formation of fine powders and overflow by melting, is expected to synthesize bulk LiBH4 by applying the "impregnation method". In the present study, LiBH4 on a Ni foam with porosity of 98% homogeneously impregnated the foam at 573 K without changing the original bulk morphology of the foam. The morphology of the impregnated LiBH4 was also well retained, even after a partial dehydrogenation at 873 K. Some Ni borides were found to be newly formed depending on the heating (dehydrogenation) conditions, and the formation probably dominates the microstructure and dehydrogenation property of the impregnated LiBH4.

Original languageEnglish
Pages (from-to)457-460
Number of pages4
JournalJournal of the Ceramic Society of Japan
Volume117
Issue number1364
DOIs
Publication statusPublished - Apr 2009
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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