A GBH/LiBH4 coordination system with favorable dehydrogenation

被引：27

作者：

Guo, Yanhui ^{[1
]}

Gu, Qinfen ^{[2
]}

Guo, Zaiping ^{[3
]}

Mao, Jianfeng ^{[3
]}

Liu, Huakun ^{[3
]}

Dou, Shixue ^{[3
]}

Yu, Xuebin ^{[1
,3
]}

机构：

[1] Fudan Univ, Dept Mat Sci, Shanghai 200433, Peoples R China

[2] Australian Synchrotron Co Ltd, Clayton, Vic 3168, Australia

[3] Univ Wollongong, Inst Superconducting & Elect Mat, Wollongong, NSW 2522, Australia

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2011年 / 21卷 / 20期

基金：

中国国家自然科学基金; 澳大利亚研究理事会;

关键词：

CHEMICAL HYDROGEN STORAGE; MAGNESIUM BOROHYDRIDE; COMPLEX; LIBH4; REVERSIBILITY; HYDRIDE; AMMONIA; LITHIUM; BORANE; CAPACITY;

D O I：

10.1039/c0jm04485g

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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 H-2 from LiBH4/GBH below 250 degrees 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.

引用

页码：7138 / 7144

页数：7

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