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不同处理方式对竹节状碳纳米管吸氢量的影响

EFFECT OF DIFFERENT TREATMENTS ON HYDROGEN UPTAKE OF BAMBOO-LIKE CARBON NANOTUBES

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【作者】刘芙；张孝彬；程继鹏；陶新永；徐军明；李昱；许国良；黄宛真；李婷；涂江平；陈长聘；

【Author】 LIU Fu~(1,2), ZHANG Xiaobin~(1,2), CHENG Jipeng~1, TAO Xinyong~1, XU Junming~1, LI Yu~1, XU Guoliang~1, HUANG Wanzhen~1 , LI Ting~1, TU Jiangping~1 and CHEN Changpin~1 (~1Department of Materials Science and Engineering; ~2State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, zhejiang, China)

【机构】浙江大学材料科学与工程系；浙江大学材料科学与工程系浙江大学硅材料国家重点实验室；浙江杭州 310027；浙江大学硅材料国家重点实验室；

【摘要】 <正> Bamboo-like carbon nanotubes were prepared by decomposing C₂H₂ on ferric catalyst. Acid immersion, ball milling and KOH etching were performed before hydrogen adsorption measurement. TEM, HREM, SEM and IR analyses were used to characterize the microstructure. The maximum hydrogen adsorption capacity of the raw sample reached 1.53% （mass） at 300 K under 7 MPa. The unusual structure of carbon nanotubes plays a dominant role for hydrogen adsorption. But some treatments will destroy the structure and decrease hydrogen uptake capacity.更多还原

【Abstract】 Bamboo-like carbon nanotubes were prepared by decomposing C₂H₂ on ferric catalyst. Acid immersion, ball milling and KOH etching were performed before hydrogen adsorption measurement. TEM, HREM, SEM and IR analyses were used to characterize the microstructure. The maximum hydrogen adsorption capacity of the raw sample reached 1.53% （mass） at 300 K under 7 MPa. The unusual structure of carbon nanotubes plays a dominant role for hydrogen adsorption. But some treatments will destroy the structure and decrease hydrogen uptake capacity.更多还原

【关键词】竹节状碳纳米管；氢吸附；处理；
【Key words】 bamboo carbon nanotubes； hydrogen adsorption； treatments；

【基金】 supported by the State Major Fundamental Research Project (973) (G20000264-06); the Analysis and Measurement Fund of Zhejiang Province(03101)

【文献出处】化工学报 ,Journal fo Chemical Industry and Engineering , 编辑部邮箱 ,2004年S1期

【分类号】O613.71;O647.31
【被引频次】1
【下载频次】52

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