Thermodynamic assessment of solar-aided carbon dioxide conversion into fuels via Tin oxides

查看全文 作　　者：LI [1,2]Hao;WANG [1,2]Lei;FU [1]MingKai;LI [1,2]Xin

机构地区：[1]Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China;[2]University of Chinese Academy of Sciences, Beijing 100049, China

出　　处：《Science China(Technological Sciences)》索引2018年第61卷第12期,共9页

基　　金：supported by the National Natural Science Foundation of China (Grant No. 51476163);the Institute of Electrical Engineering, Chinese Academy of Sciences (Grant No. Y770111CSC) 摘　　要：The conversion of CO_2 to liquid hydrocarbon fuels using solar energy is gaining attraction as a means to deal with climate change and energy depletion,and assessment for related thermochemical cycles has attracted great interests in recent years.Here,we perform the thermodynamical analysis on solar-aided CO_2 conversion reactions based on Tin oxides.The equilibrium compositions,production purity and CO_2 conversion are obtained.Also,the variations of conversion efficiency with respect to temperature,normal beam solar insolation,mean flux concentration ratio,initial CO_2 to SnO ratio and heat recuperation percentage are revealed.Our results indicate the initial CO_2 to SnO ratio,χ_(ini),has an evident impact on conversion efficiency andχ_(ini)=0.5,T=700 K andχ_(ini)=1,T=950 K,are favourable for solid C and gaseous CO production,respectively.The calculated maximum cycle efficiency with direct work production is 0.340 at T=950 K andχ_(ini)=1,demonstrating the high conversion efficiency of the proposed system. 关键词：THERMODYNAMIC analysis solar-aided CO2 CONVERSION Tin OXIDES INITIAL CO2 to SnO ratio

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Thermodynamic assessment of solar-aided carbon dioxide conversion into fuels via Tin oxides

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