A microstructural and neutron-diffraction study on the interactions between microwave-irradiated multiwalled carbon nanotubes and hydrogen

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题名:	A microstructural and neutron-diffraction study on the interactions between microwave-irradiated multiwalled carbon nanotubes and hydrogen
作者:	陳立業;Lee, Y. T.;Tsai, P. J.;Peterson, V. K.;Yang, B.;Lin, K. S.;Zhu, M.;Lim, K. L.;Tseng, Y. S.;Chan, S. L. I.
贡献者:	工學院化學工程與材料工程學系
关键词:	ambient temperature;carbon nanotubes;Characterization and Evaluation of Materials;Chemistry and Materials Science;Classical Mechanics;Crystallography and Scattering Methods;Graphene;Hydrogen;Hydrogen storage;Irradiation;Materials Science;microwave radiation;Microwaves;Multi wall carbon nanotubes;Nanotubes;Neutron diffraction;Original Paper;Polymer Sciences;Radiation damage;Solid Mechanics;Storage capacity;Tubes
日期:	2016-02-01
上传时间:	2026-04-21 14:47:52 (UTC+8)
出版者:	Springer Netherlands;New York: Springer US
摘要:	摘要： Microwave irradiation is a simple yet effective way of altering the properties of multiwalled carbon nanotubes (MWNTs). This work studies the interactions between microwave-irradiated MWNTs and hydrogen. Effects of MWNT diameter and irradiation duration on the hydrogen-storage capacity have been investigated. We find that microwave irradiation induces damage to the MWNTs that can enhance hydrogen-storage capacity, with excessive damage being detrimental. Smaller-diameter tubes suffer less damage than larger tubes do. MWNTs with a diameter of 20–40 nm irradiated for 10 min had the highest hydrogen uptake of the samples measured, of 0.87 wt% at room temperature and under a hydrogen pressure of 3 MPa. Neutron powder-diffraction data revealed structural changes that were consistent with the insertion of hydrogen in the interstitial cavities of the microwave-irradiated MWNTs, as well as an expansion between the graphene layers of samples that were microwave irradiated. Hence, this simple treatment could be a promising solution to improve the hydrogen-storage capacities of MWNTs. 其他題名： J Mater Sci 出版者： New York: Springer US 出版日期： 2016-02-01 出處： Journal of materials science, 2016-02, Vol.51 (3), p.1308-1315 資源來源： EBSCOhost OmniFile Full Text Select 版權： Springer Science+Business Media New York 2015 版權： COPYRIGHT 2016 Springer 版權： Journal of Materials Science is a copyright of Springer, (2015). All Rights Reserved. 識別號： ISSN: 0022-2461 識別號： EISSN: 1573-4803 識別號： DOI: 10.1007/s10853-015-9448-4
显示于类别:	[化學工程與材料工程學系 ] 期刊論文

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