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Electrochemical Reduction of CO2 to CO over Transition Metal/N-Doped Carbon Catalysts: The Active Sites and Reaction Mechanism.


ABSTRACT: Electrochemical CO2 reduction to value-added chemicals/fuels provides a promising way to mitigate CO2 emission and alleviate energy shortage. CO2 -to-CO conversion involves only two-electron/proton transfer and thus is kinetically fast. Among the various developed CO2 -to-CO reduction electrocatalysts, transition metal/N-doped carbon (M-N-C) catalysts are attractive due to their low cost and high activity. In this work, recent progress on the development of M-N-C catalysts for electrochemical CO2 -to-CO conversion is reviewed in detail. The regulation of the active sites in M-N-C catalysts and their related adjustable electrocatalytic CO2 reduction performance is discussed. A visual performance comparison of M-N-C catalysts for CO2 reduction reaction (CO2 RR) reported over the recent years is given, which suggests that Ni and Fe-N-C catalysts are the most promising candidates for large-scale reduction of CO2 to produce CO. Finally, outlooks and challenges are proposed for future research of CO2 -to-CO conversion.

SUBMITTER: Liang S 

PROVIDER: S-EPMC8693035 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature

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Electrochemical Reduction of CO<sub>2</sub> to CO over Transition Metal/N-Doped Carbon Catalysts: The Active Sites and Reaction Mechanism.

Liang Shuyu S   Huang Liang L   Gao Yanshan Y   Wang Qiang Q   Liu Bin B  

Advanced science (Weinheim, Baden-Wurttemberg, Germany) 20211031 24


Electrochemical CO<sub>2</sub> reduction to value-added chemicals/fuels provides a promising way to mitigate CO<sub>2</sub> emission and alleviate energy shortage. CO<sub>2</sub> -to-CO conversion involves only two-electron/proton transfer and thus is kinetically fast. Among the various developed CO<sub>2</sub> -to-CO reduction electrocatalysts, transition metal/N-doped carbon (M-N-C) catalysts are attractive due to their low cost and high activity. In this work, recent progress on the developme  ...[more]

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