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Conversion of CO2 by non-Thermal Inductively-Coupled Plasma Catalysis
Edwin Devid*1, Maria Ronda-Lloret2, Qiang Huang1,3, Gadi Rothenberg2, N. Raveendran Shiju2, Aart Kleyn*1
1.Center of Interface Dynamics for Sustainability, Institute of Materials, China Academy of Engineering Physics, Chengdu 610200, China;2.Van't Ho Institute for Molecular Sciences, Faculty of Science, University of Amsterdam, P.O. Box 94157, 1090 GD Amsterdam, The Netherlands;3.School of Optoelectronic Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
Abstract:
CO2 decomposition is a very strongly endothermic reaction where very high temperatures are required to thermally dissociate CO2. Radio frequency inductively-coupled plasma enables to selectively activate and dissociate CO2 at room temperature. Tuning the flow rate and the frequency of the radio frequency inductively-coupled plasma gives high yields of CO under mild conditions. Finally the discovery of a plasma catalytic effect has been demonstrated for CO2 dissociation that shows a significant increase of the CO yield by metallic meshes. The metallic meshes become catalysts under exposure to plasma to activate the recombination reaction of atomic O to yield O2, thereby reducing the reaction to convert CO back to CO2. Inductively-coupled hybrid plasma catalysis allows access to study and to utilize high CO2 conversion in a non-thermal plasma regime. This advance offers opportunities to investigate the possibility to use radio frequency inductively-coupled plasma to store superfluous renewable electricity into high-valuable CO in time where the price of renewable electricity is plunging.
Key words:  CO2, Radio frequency inductively-coupled plasma, Plasma reactor, Conversion,Metal mesh, Quadrupole mass spectrometry, X-ray photo-electron spectroscopy, X-Ray diffraction, Scanning electron microscopy
FundProject:
Supplymentary:   CJCP2003040SP.pdf
感应耦合非热等离子体催化转化二氧化碳
Edwin Devid*1, Maria Ronda-Lloret2, Qiang Huang1,3, Gadi Rothenberg2, N. Raveendran Shiju2, Aart Kleyn*1
1.中国工程物理研究院材料研究所,可持续界面动力学研究中心,成都 610200;2.荷兰阿姆斯特丹大学范特霍夫分子科学研究所, 阿姆斯特丹 94157;3.重庆邮电大学光电工程学院, 重庆 400065
摘要:
射频感应耦合等离子体能够在室温条件下选择活化并分解二氧化碳,本文通过调控等离子体放电条件(气体流量、放电频率等)获得了较高的一氧化碳产率. 研究发现网状金属催化剂在二氧化碳等离子体中能促进氧原子的复合反应,从而有效抑制其与目标产物一氧化碳的逆反应,提升反应整体效率. 本文为实时转化过剩的可再生电能(来自太阳能、风能、潮汐能等)为高附加值一氧化碳中的化学能提供了一个可行的方案.
关键词:  射频感应耦合等离子体,等离子体反应器,转换,金属网,四极质谱,X射线光电子能谱,X射线衍射,扫描电子显微镜
DOI:10.1063/1674-0068/cjcp2004040
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