Highly Selective Oxidation of Carbohydrates in an Efficient Electrochemical Energy Converter: Cogenerating Organic Electrosynthesis

ChemSusChem
Yaovi HoladeKouakou B Kokoh

Abstract

The selective electrochemical conversion of highly functionalized organic molecules into electricity, heat, and added-value chemicals for fine chemistry requires the development of highly selective, durable, and low-cost catalysts. Here, we propose an approach to make catalysts that can convert carbohydrates into chemicals selectively and produce electrical power and recoverable heat. A 100% Faradaic yield was achieved for the selective oxidation of the anomeric carbon of glucose and its related carbohydrates (C1-position) without any function protection. Furthermore, the direct glucose fuel cell (DGFC) enables an open-circuit voltage of 1.1 V in 0.5 m NaOH to be reached, a record. The optimized DGFC delivers an outstanding output power Pmax =2 mW cm(-2) with the selective conversion of 0.3 m glucose, which is of great interest for cogeneration. The purified reaction product will serve as a raw material in various industries, which thereby reduces the cost of the whole sustainable process.

References

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Citations

Jul 22, 2017·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Yaovi HoladeK Boniface Kokoh
Jul 24, 2020·Analytical Methods : Advancing Methods and Applications·Gengan Saravanan, Subramanian Mohan
Aug 23, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Vincent VedovatoJoost Helsen

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