Dehydrogenation Tuning of Ammine Borohydrides Using Double-Metal Cations

被引：103

作者：

Guo, Yanhui ^{[1
]}

Wu, Hui ^{[2
,3
]}

Zhou, Wei ^{[2
,3
]}

Yu, Xuebin ^{[1
]}

机构：

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

[2] NIST, Ctr Neutron Res, Gaithersburg, MD 20899 USA

[3] Univ Maryland, Dept Mat Sci & Engn, College Pk, MD 20742 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2011年 / 133卷 / 13期

基金：

中国国家自然科学基金;

关键词：

HYDROGEN STORAGE PROPERTIES; CRYSTAL-STRUCTURES; AMMONIA-BORANE; NEUTRON-DIFFRACTION; LITHIUM BOROHYDRIDE; ALUMINUM HALIDES; AMIDOBORANES; COMPLEX; ALKALI; MONOAMMONIATE;

D O I：

10.1021/ja1105893

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The strategy of using double-cations to tune the temperature and purity of dehydrogenation of ammine borohydrides is reported. The first double-cation ammine borohydride, Li2Al(BH4)(5)center dot 6NH(3), which forms a novel structure with ordered arrangement of Al(NH3)(6)(3+) ammine complexes and Li-2(BH4)(5)(3-) complex anions, is found to release over 10.0 wt % hydrogen below 120 degrees C with favorable kinetics and high H-purity (> 99%).

引用

页码：4690 / 4693

页数：4

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