Shi, Jiawei, Ma, Jun, Ma, Enze, Li, Jing, Hu, Yang, Fan, Liyuan, and Cai, Weiwei (2024) Electrochemical alcohol oxidation reaction on Precious-Metal-Free catalysts: Mechanism, activity, and selectivity. Carbon Neutralization, 3 (2). pp. 285-312.

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Abstract

The electrochemical alcohol oxidation reaction (AOR) is pivotal for the development of sustainable energy. The complete oxidation of alcohols has attracted extensive attention as a vital process in fuel cells. Moreover, as an alternative reaction to the oxygen evolution reaction, the selective oxidation of alcohols emerges as an effective means to lower the energy expenditure associated with electrolytic hydrogen production while yielding high-value products. Nonprecious metal materials have been widely applied in the selective oxidation catalysis of alcohols due to their cost-effectiveness and excellent durability. In recent years, leveraging the advantages of nonprecious metal materials in electrocatalytic AOR, researchers have delved into catalytic mechanisms and various efficient catalysts have been fabricated and evaluated. This review provides an overview of the current advancements in the electrocatalytic selective oxidation of diverse alcohols and the catalytic systems centered around nonprecious metal materials. It systematically summarizes the shared traits and distinctions in catalytic reaction characteristics across various systems, thereby laying the theoretical foundation for developing novel catalyst systems that are efficient, stable, and highly selective. This review will facilitate the utilization of nonprecious metal catalysts further toward the electrocatalytic oxidation of alcohols.

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