On the hydrogen storage capacity of carbon nanotube bundles

被引：16

作者：

Muniz, Andre R. ^{[1
]}

Meyyappan, M. ^{[2
]}

Maroudas, Dimitrios ^{[1
]}

机构：

[1] Univ Massachusetts, Dept Chem Engn, Amherst, MA 01003 USA

[2] NASA, Ames Res Ctr, Ctr Nanotechnol, Moffett Field, CA 94035 USA

来源：

APPLIED PHYSICS LETTERS | 2009年 / 95卷 / 16期

基金：

美国国家科学基金会;

关键词：

ATOMIC-HYDROGEN; GLOW-DISCHARGE; HIGH COVERAGES; FUNCTIONALIZATION; CHEMISORPTION; ADSORPTION;

D O I：

10.1063/1.3253711

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

An analytical model is presented to describe the effect of carbon nanotube (CNT) swelling upon hydrogenation on the hydrogen storage capacity of single-walled CNT bundles; the model is properly parameterized using atomistic calculations for the relationship between CNT swelling and the degree of hydrogenation as measured by the coverage of the CNTs by chemisorbed atomic H. The model generates experimentally testable hypotheses, which can be used to explain the lower H storage capacities reported for CNT bundles and the experimentally observed nonuniformity of hydrogenation of CNT bundles. (C) 2009 American Institute of Physics. [doi: 10.1063/1.3253711]

引用

页数：3

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