Hydrogen Storage Properties of Ca(BH4)2-LiNH2 System

被引：34

作者：

Chu, Hailiang ^{[1
]}

Xiong, Zhitao ^{[1
]}

Wu, Guotao ^{[1
]}

Guo, Jianping ^{[1
]}

Zheng, Xueli ^{[1
]}

He, Teng ^{[1
]}

Wu, Chengzhang ^{[1
]}

Chen, Ping ^{[1
]}

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

来源：

CHEMISTRY-AN ASIAN JOURNAL | 2010年 / 5卷 / 07期

基金：

中国国家自然科学基金;

关键词：

borates; calcium; hydrides; hydrogen; lithium; DESORPTION; RELEASE; AMMONIA; PHASE; LIB0.33N0.67H2.67; BOROHYDRIDE; DIFFRACTION; MG(BH4)(2); HYDRIDE; BORANE;

D O I：

10.1002/asia.200900677

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Ca(BH4)(2) is one of the promising candidates for hydrogen storage materials because of its high gravimetric and volumetric hydrogen capacity. However, its high dehydrogenation temperature and limited reversibility has been a hurdle for its practical applications. In an effort to overcome these barriers and to adjust the thermal stability, we make a composite system Ca(BH4)(2)-LiNH2. Interaction of Ca(BH4)(2) and LiNH2 leads to decreased dehydrogenation temperatures and increased hydrogen desorption capacity in comparison to pristine Ca(BH4)(2). More than 7 wt % of hydrogen can be detached at a temperature as low as approximately 178 degrees C from the cobalt-catalyzed Ca(BH4)(2)-4LiNH(2) system.

引用

页码：1594 / 1599

页数：6

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