Single-wall nanostructured carbon for methane storage

被引:194
作者
Bekyarova, E
Murata, K
Yudasaka, M
Kasuya, D
Iijima, S
Tanaka, H
Kahoh, H
Kaneko, K
机构
[1] Chiba Univ, Ctr Frontier Elect & Photon, Chiba 2638522, Japan
[2] NEC Corp Ltd, Nanotubul Project, JCORP JST, Tsukuba, Ibaraki 305, Japan
[3] Meijo Univ, Tempa Ku, Nagoya, Aichi 4688502, Japan
[4] NEC Corp Ltd, Tsukuba, Ibaraki 3058501, Japan
[5] Chiba Univ, Dept Chem, Fac Sci, Chiba 2638522, Japan
关键词
D O I
10.1021/jp0278263
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Open single-wall carbon nanohorns (SWNHs) were compressed repeatedly at 50 MPa to generate a nanocarbon material of high bulk density. TEM observations and Raman spectroscopy revealed a significant distortion in the structure of the compressed SWNHs. The obtained nanostructured disordered carbon exhibits a high methane storage capacity, reaching 160 cm(3)/cm(3) of nanocarbon at 3.5 MPa and 303 K. Comparison of the experimental results with grand canonical Monte Carlo simulations indicates the importance of the adsorption in the interstitial channels for the high total adsorption capacity of the generated nanostructured carbon.
引用
收藏
页码:4681 / 4684
页数:4
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