Analysis of routes for electrochemical conversion of CO_(2) to methanol

查看全文 作　　者：Pingping [1]Li;Siqi [1]Gong;Chufu Li and Zhien [1]Liu

机构地区：[1]National Institute of Clean and low carbon Energy,Beijing,102209,P.R.China

出　　处：《Clean Energy》索引2022年第6卷第1期,共9页

基　　金：supported by National Key R&D Program of China(2017YFB0601900)。 摘　　要：In the context of peak carbon and carbon neutrality,the utilization of CO_(2)has attracted attention with the aim of reducing carbon emissions by converting CO_(2)into high-value chemicals or energy.Methanol(MeOH),which is both a hydrogen and a carbon carrier,is considered the most promising among the CO_(2)-conversion products.This paper focus on routes for electrochemical conversion of CO_(2)to MeOH using green power and green hydrogen to achieve negative CO_(2)emissions.Three feasible technical routes for electrochemical conversion of CO_(2)to MeOH are proposed in this paper:Route 1,electrolysis of water to H_(2)and hydrogenation of CO_(2)to MeOH;Route 2,electrochemical reduction of CO_(2)to MeOH;and Route 3,co-electrolysis of CO_(2)-H_(2)O to syngas and synthesis of MeOH from syngas.Techno-economic assessments of the three routes are conducted using technical maturity surveys,system simulations and cost analyses to provide reference data for route selection for CO_(2)conversion to MeOH in China.Compared with the other routes,Route 1 is advantageous in terms of technical maturity and commercial application prospects.Although Route 1 is presently economically unviable,it is expected to achieve profitability and commercial application in the future with decreases in the cost of renewable power and continuous development of water-electrolysis technology. 关键词：CO_(2) ELECTROLYSIS HYDROGENATION carbon capture and utilization METHANOL electrochemical conversion carbon neutrality

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Analysis of routes for electrochemical conversion of CO_(2) to methanol

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