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zj1025

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[交流] 南开大学的陈军刚发了一篇JACS!

J. Am. Chem. Soc., ASAP Article 10.1021/ja071323z S0002-7863(07)01323-6
Web Release Date: May 9, 2007

Copyright © 2007 American Chemical Society
Magnesium Nanowires: Enhanced Kinetics for Hydrogen Absorption and Desorption

Weiyang Li, Chunsheng Li, Hua Ma, and Jun Chen*

Institute of New Energy Material Chemistry, Nankai University, Tianjin 300071, People's Republic of China

chenabc@nankai.edu.cn
Received February 25, 2007

Abstract:

Mg nanowires with the diameters of 30-50 nm, 80-100 nm, and 150-170 nm, which were prepared via a vapor-transport method, exhibited enhanced kinetics for hydrogen absorption/desorption. The present results clearly show that thinner Mg/MgH2 nanowires have a much lower desorption energy than that of thicker nanowires or bulk Mg/MgH2, indicating that changes in kinetics and thermodynamics are expected if the diameters of the nanowires are thinner than 30 nm.

[ Last edited by luo.henry on 2008-4-25 at 15:25 ]
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陈军厉害!
4楼2007-05-11 22:29:15
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