Hydrogen storage properties of nano-structural carbon and metal hydrides composites

被引：10
作者：
Miyaoka, Hiroki
Ichikawa, Takayuki
Isobe, Shigehito
Fujii, Hironobu
机构：
[1] Hiroshima Univ, N BARD, Ctr Mat Sci, Higashihiroshima 7398526, Japan
[2] Hiroshima Univ, ADSM, Dept Quantum Matter, Higashihiroshima 7398526, Japan
来源：
PHYSICA B-CONDENSED MATTER | 2006年 / 383卷 / 01期
关键词：
hydrogen storage materials; graphite; ballmilling;
D O I：
10.1016/j.physb.2006.03.052
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Thermodynamic and structural properties of some ball-milled mixtures composed of the hydrogenated nanostructural carbon ((CHx)-H-nano) and metal hydride (MH; M = Li, Na, Mg and Ca) were examined from thermal desoroption mass spectroscopy and powder X-ray diffraction, respectively. The results showed that the hydrogen desorption temperatures are significantly lowered from those of each hydride ((CHx)-H-nano, MH) in the composites. This indicates that a new type of interaction exists between (CHx)-H-nano and MH, which destabilizes C-H and/or M-H bonding as well. Therefore, the above Metal-C-H system would be recognized as a new family of hydrogen storage materials. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：51 / 52
页数：2
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