首页|Electrochemical reduction of carbon dioxide to produce formic acid coupled with oxidative conversion of biomass

Electrochemical reduction of carbon dioxide to produce formic acid coupled with oxidative conversion of biomass

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Electrochemical reduction of CO2(CO2RR)has become a research hot spot in recent years in the context of carbon neutrality.HCOOH is one of the most promising products obtained by electrochemical reduction of CO2 due to its high energy value as estimated by market price per energy unit and wide application in chem-ical industry.Biomass is the most abundant renewable resource in the natural world.Coupling biomass oxidative conversion with CO2RR driven by renewable electricity would well achieve carbon negativity.In this work,we comprehensively reviewed the current research progress on CO2RR to produce HCOOH and coupled system for conversion of biomass and its derivatives to produce value-added products.Sn-and Bi-based electrocatalysts are discussed for CO2RR with regards to the structure of the catalyst and reac-tion mechanisms.Electro-oxidation reactions of biomass derived sugars,alcohols,furan aldehydes and even polymeric components of lignocellulose were reviewed as alternatives to replace oxygen evolution reaction(OER)in the conventional electrolysis process.It was recommended that to further improve the efficiency of the coupled system,future work should be focused on the development of more efficient and stable catalysts,careful design of the electrolytic cells for improving the mass transfer and development of environment-friendly processes for recovering the formed formate and biomass oxidation products.

Electrochemical reduction of CO2Formic acidOxidative conversion of biomassLignocelluloseCoupled system

Xi Liu、Yifan Wang、Zhiwei Dai、Daihong Gao、Xuebing Zhao

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Key Laboratory of Industrial Biocatalysis,Ministry of Education,Tsinghua University,Beijing 100084,China

Institute of Applied Chemistry,Department of Chemical Engineering,Tsinghua University,Beijing 100084,China

National Key R& D Program of ChinaNational Natural Science Foundation of China

2022YFA210590022178197

2024

能源化学
中国科学院大连化学物理研究所 中国科学院成都有机化学研究所

能源化学

CSTPCDEI
影响因子:0.654
ISSN:2095-4956
年,卷(期):2024.92(5)