CO2-mediated bicarbonate conversion to concentrated formate in a CEM-based electrolyzer
作者机构：State Key Laboratory of Chemical Engineering Department of Chemical Engineering Tsinghua University College of Chemistry and Molecular Engineering Peking University Ordos Laboratory
出 版 物：《Journal of Energy Chemistry》 (能源化学(英文版))
年 卷 期：2025年第100卷第1期
页 面：605-611页
核心收录：
学科分类：083002[工学-环境工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术]
基 金：the financial support from the National Natural Science Foundation of China(22379083) the State Key Laboratory of Chemical Engineering(SKL-ChE-23T02) the financial support from Beijing National Laboratory for Molecular Sciences the support from Tsinghua International School’s Research Mentoring Program the support from Tsinglan School’s Research Mentoring Program
主 题：Electrocatalysis Techno-economic assessments Electrochemistry Flow electrolyzer
摘 要：Renewable energy-driven bicarbonate conversion to valuable chemicals presents an attractive strategy for mitigating CO2emissions,as bicarbonate can be efficiently generated from the capture of atmospheric CO2using alkaline solutions with reactive *** this work,we present a CO2-mediated bicarbonate conversion to pure formate using a cation exchange membrane-based electrolyzer with a 25 cm2electrode *** electrolysis achieved selectivities exceeding 75%for formate at a total current of 2.5 A,achieving formate concentrations up to 1.2 M and yields as high as 95%over extended *** techno-economic assessment confirmed the economic viability of the process,highlighting the potential for bicarbonate electrolysis as a sustainable method for producing valuable chemicals.
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