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

页码：51 / 52

页数：2

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