Molecular hydrogen carrier with activated nanohydride and ammonia

被引:39
作者
Kojima, Yoshitsugu [1 ,2 ]
Tange, Kyoichi [2 ]
Hino, Satoshi [2 ]
Isobe, Shigehito [1 ]
Tsubota, Masami [1 ]
Nakamura, Kosei [2 ]
Nakatake, Masashi [3 ]
Miyaoka, Hiroki [1 ]
Yamamoto, Hikaru [2 ]
Ichikawa, Takayuki [1 ,2 ]
机构
[1] Hiroshima Univ, Inst Adv Mat Res, ADSM, Higashihiroshima 7398530, Japan
[2] Hiroshima Univ, Dept Quantum Matter, ADSM, Higashihiroshima 7398530, Japan
[3] Hiroshima Univ, Hiroshima Synchrotron Radiat Ctr, Higashihiroshima 7398526, Japan
关键词
STORAGE; BOROHYDRIDE; GENERATOR; CATALYSTS; SORPTION; SYSTEM; IMIDES; LIBH4;
D O I
10.1557/JMR.2009.0291
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We show a drastically improved gas-solid reaction between NH(3) and LiH by mechanical treatment for LiH, generating a hydrogen gas even at room temperature. The results Of x-ray photoelectron spectroscopy showed that the mechanical pretreatment was effective in reducing a hydroxide phase from the surface of LiH. It was also possible to successfully recycle back LiNH(2), which is the byproduct of this hydrogen desorption reaction, to LiH under 0.5-MPa H(2) flow at 573 K. Thus, the LiH-NH(3) system provides a recyclable H, storage system to generate H(2) at room temperature with 8.1 mass% and 4.5 kg/100 L hydrogen capacity.
引用
收藏
页码:2185 / 2190
页数:6
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