Abstract
The escalating demand for sustainable and environmentally benign chemical processes has driven the exploration of biomass as an alternative to non-renewable resources. Electrocatalytic upgrading of biomass-derived aldehydes plays a crucial role in biomass refining, and has become a frontier of mainstream research. This paper reviews the recent advances on the electrocatalytic oxidation of typical biomass-derived aldehydes (5-hydroxymethylfurfural, furfural, glucose, xylose, vanillin and benzaldehyde, etc.). The research presented in this review covers a wide range of oxidation mechanisms for each aldehyde. It is evident from the current literature that challenges related to the comprehensiveness of mechanistic studies, catalyst stability, and reaction scalability remain, but the rapid progress offers hope for future advancements. Finally, we elucidate the challenges in this domain and provide the perspectives on future developments. This review corroborates the significance of investigating the electrocatalytic oxidation of biomass-derived aldehydes and emphasizes the need for continued research to refine these processes for industrial applications.
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