A brief review of electrocatalytic reduction of CO2—Materials, reaction conditions, and devices
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Abstract
Abstract Global warming caused by the rapid increase in atmospheric CO 2 concentration is regarded as one of the most serious problems faced by human being. Electrochemical CO 2 reduction (ECR) is one promising strategy that can fix CO 2 in a mild and clean manner combined with sustainable energies. However, the ECR performance is highly dependent on the catalysis system because of the difficulty in CO 2 activation, low mass transfer, poor product selectivity, and competitive hydrogen evolution reaction (HER). The binding strength of electrocatalysts toward carbon intermediates is the crucial factor for ECR performance. Furthermore, the reaction conditions and the configurations of devices are also of significance for ECR efficiencies. Here, we briefly reviewed the effects of electrocatalyst materials, as well as the reaction conditions, coupled anodic reactions, and devices on the ECR. Moreover, challenges and some perspectives for large‐scale applications are included.
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