Affiliation:
1. Laboratório de Pesquisa e Desenvolvimento em Eletroquímica (LPDE), Department of Chemistry, Center of Exact Sciences, Federal University of Espírito Santo, Campus Goiabeiras, Av. Fernando Ferrari, Vitória 29075-910, ES, Brazil
Abstract
Given the environmental problems caused by burning fossil fuels, it is believed that converting carbon dioxide (CO2) into chemical inputs is a great ally to generating clean energy. In this way, investigative studies related to electrochemical CO2 reduction (CO2RE) concerning the behavior of metal catalysts have received attention about the processes involved. CO2RE can be an important tool to mitigate the presence of this gas in the Earth’s atmosphere. Given these considerations, in this review, we report the main catalysts used to act as CO2RE. Among them, we emphasize catalysts based on Ni, Zn, and Cu, which encompass the main properties related to the electrochemical conversion of CO2. Regarding the Cu-based catalyst, it presents high conversion efficiency but low selectivity. Furthermore, we also describe the main mechanisms related to the electrochemical conversion of CO2.
Funder
Coordination for the Improvement of Higher Education Personnel–Brazil
Espírito Santo Research and Innovation Foundation
Brazilian National Council for Scientific and Technological Development
Federal University of Espírito Santo
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