Electrocatalytic CO2 reduction to syngas

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外文摘要：While carbon dioxide(CO2)is a major greenhouse gas,it is also an important C1 resource.In the trend of energy conservation and emission reduction,electrocatalytic reduction has become a very promising strategy for CO2 utilization because it can convert CO2 directly to high-valued chemicals and fuels under mild conditions.In particular,the product CO and by-product H2 can be combined into syngas by an electrocatalytic CO2 reduction reaction(CO2RR)in an aqueous medium.Different molar ratios of CO and H2 may be used to produce essential bulk chemicals or liquid fuels such as methanol,alkanes,and olefins through thermochemical catalysis,Fischer-Tropsch synthesis,microbial fermentation,and other techniques.This work discusses the latest strategies in controlling the molar ratio of CO/H2 and improving the yield of CO2RR-to-syngas.The challenges of electrocatalytic syngas production are analyzed from an industrial application perspective,and the possible measures to overcome them are proposed in terms of new catalyst design,electrolyte innovation,flow reactor optimization,anodic reaction coupling,and operando technique application.

外文关键词：

ElectrocatalysisCO2 reductionSyngasElectrolyteElectrolyzer

作者：

Bing Chang、Zhaojun Min、Ning Liu、Nan Wang、Maohong Fan、Jing Fan、Jianji Wang

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作者单位：

School of Environment,Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control,Ministry of Education,Henan Normal University,Xinxiang,Henan,453007,China

School of Chemistry and Chemical Engineering,Key Laboratory of Green Chemical Media and Reactions,Ministry of Education,Henan Normal University,Xinxiang,Henan,453007,China

College of Engineering and Physical Sciences,and School of Energy Resources,University of Wyoming,Laramie,WY,82071,USA

College of Engineering,Georgia Institute of Technology,Atlanta,GA,30332,USA

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基金：

国家自然科学基金国家自然科学基金Project of Henan International Joint Laboratory of Green Chemistry高等学校学科创新引智计划(111计划)

项目编号：

2223300622273018D17007

出版年：

2024

DOI：

10.1016/j.gee.2023.05.005

绿色能源与环境(英文)

CSTPCD

ISSN：

年,卷(期)：2024.9(7)