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Investigations of Bismuth- and Cobalt-based Electrocatalysts for Carbon Dioxide Reduction Reactions
DownloadFall 2023
The electrochemical reduction of carbon dioxides (CO2RR) is a promising solution for mitigating CO2 emissions while simultaneously generating value-added chemicals. From the perspective of materials engineering, understanding the structure-function relationships is crucial in guiding the rational
design of electrocatalysts and advancing CO2RR technologies. Considering its significance attached, this thesis endeavors to investigate the i) BaBiO3 (BBO) perovskite, ii) Bi- and iii) Co-based electrocatalysts with atomically distributed active sites, with particular focus on how the key structural
features including potential-driven reconstructions, coordination environment, and local geometry affect the catalytic performances of CO2RR. The first part of this thesis delves into the investigation of the voltage-driven structural reconstructions in the perovskite BBO, resulting in the generation of