CO2 electrolysis at industrial current densities using anion exchange membrane based electrolyzers

作     者：Pengfei Wei Hefei Li Long Lin Dunfeng Gao Xiaomin Zhang Huimin Gong Guangyan Qing Rui Cai Guoxiong Wang Xinhe Bao Pengfei Wei;Hefei Li;Long Lin;Dunfeng Gao;Xiaomin Zhang;Huimin Gong;Guangyan Qing;Rui Cai;Guoxiong Wang;Xinhe Bao

作者机构：State Key Laboratory of CatalysisDalian National Laboratory for Clean EnergyDalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023China University of Chinese Academy of SciencesBeijing 100049China 

出 版 物：《Science China Chemistry》 (中国科学（化学英文版）)

年 卷 期：2020年第63卷第12期

页      面：1711-1715页

核心收录：

学科分类：081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学] 

基　　金：This work was supported by the National Key R&D Program of China(2016YFB0600901) the National Natural Science Foundation of China(21573222,91545202) Dalian National Laboratory for Clean Energy(DNL180404,DNL201924) Dalian Institute of Chemical Physics(DMTO201702) Dalian Outstanding Young Scientist Foundation(2017RJ03) the Strategic Priority Research Program of the Chinese Academy of Sciences(XDB17020200) the CAS Youth Innovation Promotion(Y201938) 

主　　题：CO2 electrolysis electrolyzer industrial current density anion exchange membrane energy efficiency Pd/C catalyst Cu catalyst 

摘      要：Significant progress on electrocatalytic CO2 reduction reaction (CO2RR) has been achieved in recent ***,the research and development of electrolyzer device for CO2RR is *** we use anion exchange membrane to develop zerogap electrolyzers for *** electrochemical properties of the electrolyzers with Pd/C and Cu cathodes are *** Pd/C cathode shows a current density of 200 mA cm^-2with CO Faradaic efficiency of 98%and energy efficiency of 48.8%,while the Cu cathode shows a current density of 350 mA cm^-2with total CO2RR Faradaic efficiency of 81.9%and energy efficiency of 30.5%.This work provides a promising demonstration of CO2 electrolyzer using anion exchange membrane for CO2 electrolysis at industrial current densities.