Hydrogen storage in microwave-treated multi-walled carbon nanotubes

被引：28

作者：

Geng, Hong-Zhang ^{[1
,2
]}

Kim, Tae Hyung ^{[1
]}

Lim, Seong Chu ^{[1
]}

Jeong, Hae-Kyung ^{[1
]}

Jin, Mei Hua ^{[1
]}

Jo, Young Woo ^{[1
]}

Lee, Young Hee ^{[1
]}

机构：

[1] Sungkyunkwan Univ, Sungkyunkwan Adv Inst Nanotechnol, Ctr Nanotubes & Nanostructured Composites, Dept Energy Sci,Phys Div BK21, Suwon 440746, South Korea

[2] Tianjin Polytech Univ, Sch Mat Sci & Engn, Tianjin 300160, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2010年 / 35卷 / 05期

关键词：

Hydrogen storage; Carbon nanotubes; Microwave treatment; Heat treatment; Deuterium; Functional groups; Micropores; QUARTZ-CRYSTAL MICROBALANCE; ROOM-TEMPERATURE; ADSORPTION; PURIFICATION; CAPACITY; PRESSURE; DIGESTION; BEHAVIOR; MWCNTS; FUTURE;

D O I：

10.1016/j.ijhydene.2009.12.119

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：

Multiwalled carbon nanotubes (MWCNTs) treated by microwave and heat treatment were used for hydrogen storage. Their storage capacity was measured using a quadruple quartz crystal microbalance in a moisture-free chamber at room temperature and at relatively low pressure (0 5 MPa) Deuterium was also used to monitor the presence of moisture The hydrogen storage capacity of the microwave-treated MWCNTs was increased to nearly 0 35 wt% over 0.1 wt% for the pristine sample and increased further to 0 4 wt%, with improved stability after subsequent heat-treatment The increase in the storage capacity by the microwave treatment was mostly attributed to the introduction of micropore surfaces, while the stability improvement after the subsequent heat treatment was related to the removal of functional groups We also propose a measurement method that eliminates the moisture effect by measuring the storage capacity with hydrogen and deuterium gas (C) 2010 Professor T Nejat Veziroglu Published by Elsevier Ltd All rights reserved

引用

页码：2073 / 2082

页数：10

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