Experimental studies on intermediate compound of LiBH4

Shin-Ichi Orimo, Yuko Nakamori, Nobuko Ohba, Kazutoshi Miwa, Masakazu Aoki, Shin Ichi Towata, Andreas Züttel

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Abstract

The formation condition of an intermediate compound of LiBH4 during the partial dehydriding reaction and its local atomistic structure have been experimentally investigated. LiBH4 changes into an intermediate compound accompanying the release of approximately 11 mass % of hydrogen at 700-730 K. The Raman spectra indicate that the B-H bending and stretching modes of the compound appear at lower and higher frequencies, respectively, as compared to those of LiBH4. These features are consistent with the theoretical calculation on the monoclinic Li2B12H12, consisting of Li+ and [B12H12]2- ions, as a possible intermediate compound of LiBH4.

Original languageEnglish
Article number021920
JournalApplied Physics Letters
Volume89
Issue number2
DOIs
Publication statusPublished - 2006 Oct 17

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Orimo, S-I., Nakamori, Y., Ohba, N., Miwa, K., Aoki, M., Towata, S. I., & Züttel, A. (2006). Experimental studies on intermediate compound of LiBH4. Applied Physics Letters, 89(2), [021920]. https://doi.org/10.1063/1.2221880