Abstract Renewable electricity‐driven CO 2 electrolysis offers a promising pathway toward achieving carbon neutrality. The electrochemical conversion of CO 2 ‐to‐formate, particularly using metal oxide, has garnered significant attention. However, their ordered crystal structure limits catalytic activity and selectivity due to restricted active sites and suboptimal electronic properties. Herein, we for the first time present a novel approach by synthesizing co‐amorphous zinc‐indium oxide catalysts that capitalize on their disordered structure and abundant unsaturated sites. Experimental and theoretical investigations show that the Zn introduction promotes the formation of Lewis acid–base sites, and the induced charge redistribution modulates electron densities, thereby stabilizing OCHO* intermediates. The Zn 1 In 1 O x catalyst with the highest disorder achieves nearly 100% formate Faradaic efficiency, with a high current density of 550 mA cm −2 and excellent stability. This work demonstrates the potential of co‐amorphous structures and precise electronic tuning through synergistically efficient Lewis acid–base pairs to significantly enhance electrocatalytic performance for industrial CO 2 reduction.
Han et al. (Sun,) studied this question.
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