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Review-CO2 Attenuation: Electrochemical Methods and Perspectives

Journal

JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 168, Issue 5, Pages -

Publisher

ELECTROCHEMICAL SOC INC
DOI: 10.1149/1945-7111/abfcda

Keywords

CO2ER; electrocatalyst; CO2 attenuation; global warming

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This review critically evaluates the efficiency of various electrocatalysts for the conversion of CO2 into value-added chemicals, highlighting their advantages, limitations, and mechanisms of action. The study also proposes future directions and outlook based on a detailed review of different catalysts systems.
Anthropogenic CO2 emissions from fossil fuel combustion have led to the serious environmental consequence of global warming and associated climate change. Valorization of CO2 to value-added chemicals by electrochemical reduction has been suggested as one of the promising approaches of CO2 attenuation owing to its simple operational requirements and ambient process conditions. However, the sluggish kinetics and high overpotential of several CO2 reduction processes remain a challenge to its practical utility unless efficient electrocatalysts are applied. Over the past years, several electrocatalysts have been reported for the purpose with varying degree of success. In the current review, we critically evaluate the efficiency of various reported catalysts systems summarizing their advantages as limitations and providing insights into their mechanism of action. Based on the detailed review of different catalysts systems the outlook and future directions are proposed.

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