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Issue 20, 2011
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A GBH/LiBH4 coordination system with favorable dehydrogenation

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Abstract

A novel combined hydrogen storage system LiBH4/[C(NH2)3]+[BH4] (GBH) complexes were reported. By a short time ball milling of LiBH4 and guanidinium chloride, a series of new LiBH4/GBH complexes were produced. It was found that the two potential hydrogen storage materials exhibited a mutual dehydrogenation improvement, releasing >10.0 wt.% of fairly pure H2 from LiBH4/GBH below 250 °C. Further investigations revealed that balancing the protic and hydridic hydrogens, and the complexation between LiBH4 and GBH, are two important roles in the improvement of the dehydrogenation of this system, which may serve as an alternative strategy for developing a new metal borohydride/B–N–H system with favourable dehydrogenation.

Graphical abstract: A GBH/LiBH4 coordination system with favorable dehydrogenation

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Supplementary files

Article information


Submitted
22 Dec 2010
Accepted
28 Feb 2011
First published
04 Apr 2011

J. Mater. Chem., 2011,21, 7138-7144
Article type
Paper

A GBH/LiBH4 coordination system with favorable dehydrogenation

Y. Guo, Q. Gu, Z. Guo, J. Mao, H. Liu, S. Dou and X. Yu, J. Mater. Chem., 2011, 21, 7138
DOI: 10.1039/C0JM04485G

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