Cobalt-catalyzed hydrogen desorption from the LiNH2-LiBH4 system

被引：58

作者：

Tang, Wan Si ^{[1
]}

Wu, Guotao ^{[2
]}

Liu, Tao ^{[3
]}

Wee, Andrew T. S. ^{[2
,3
]}

Yong, Chaw Keong ^{[2
]}

Xiong, Zhitao ^{[1
]}

Hor, Andy T. S. ^{[1
]}

Chen, Ping ^{[1
,2
]}

机构：

[1] Natl Univ Singapore, Dept Chem, Singapore 117542, Singapore

[2] Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore

[3] Singapore Synchrotron Light Source, Singapore 117603, Singapore

来源：

DALTON TRANSACTIONS | 2008年 / 18期

关键词：

D O I：

10.1039/b719420j

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A doping of 5 wt% CoCl(2) considerably decreases the dehydrogenation temperature of a mixture of LiNH(2) and LiBH(4). More that 8 wt% of hydrogen can be released at ca. 155 degrees C. X-Ray absorption near edge structure (XANES) spectroscopy indicated the formation of metallic Co after ball milling CoCl(2) with LiNH(2) and LiBH(4). Extended X-ray absorption fine structure (EXAFS) spectroscopy measurements revealed that Co particles have poor crystallinity and are finely dispersed in the sample, which could lead to a high catalytic efficiency.

引用

页码：2395 / 2399

页数：5

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