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Effects of structure and sur-face properties on carbon nanotubes' hydrogen storage characteristics

查看全文 作　　者：LI [1]Xuesong;ZHU [1]Hongwei;CI [1]Lijie;XU [1]Cailu;MAO [2]Zongqiang;WEI [1]Bingqing;LIANG [1]Ji;WU [1]Dehai 高影响力作者 机构地区：[1]Department of Mechanical Engineering,State Key Laboratory ofAutomobile Safety and Energy,Tsinghua University,Beijing 100084,China;[2]Institute of Nuclear Energy Technology,Tsinghua University,Beijing 100084,China高影响力机构 出　　处：《Chinese Science Bulletin》索引2001年第46卷第16期,共3页高影响力期刊 基　　金：This work was supported by the State Key Project for Fundamental Research of MOST; China (Grant No. G20000264-04). 摘　　要：Hydrogen adsorption experiments were carried out in special stainless steel vessels at room temperature (298K) and under 10 MPa using self-synthesized multi-walled carbon nanotubes. In the experiments, carbon nanotubessynthesized by the seeded catalyst method were pretreatedby being soaked in chemical reagents or annealed at hightemperature before they were used to adsorb hydrogen, but their capacity for hydrogen storage was still poor. Carbonnanotubes synthesized by the floating catalyst method were found to be able to adsorb more hydrogen. They have ahydrogen storage capacity of over 4% after they wereannealed at high temperatures, which suggested that theycould be used as a promising material for hydrogen storage. 关 键 词：carbon NANOTUBE HYDROGEN storage ADSORPTION surface FUNCTIONAL group heat treatment.
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