Direct Electrosynthesis of Glycolate From Carbon Dioxide.

Authors

Xiao Chen, Shuaiqiang Jia, Jianxin Zhai, Jiapeng Jiao, Mengke Dong, Cheng Xue, Ting Deng, Zhanghui Xia, Mingjie Cheng, Chunjun Chen, Haihong Wu, Mingyuan He, Buxing Han

Published in

Angewandte Chemie (International ed. in English). Pages e2505348. Jul 07, 2026. Epub Jul 07, 2026.

Abstract

Electrocatalytic carbon dioxide reduction reaction (CO₂RR) is an attractive and green technology that can convert renewable electricity into high-energy-density fuel, which is of great significance for alleviating the dual pressures of energy and environmental concern. Although the electrosynthesis of some C₂ products (e.g., ethylene, acetate, and ethanol) has achieved certain success, the generation of glycolate is still beyond the scope of existing electrocatalytic technologies. Here, we report the electrochemical reaction of direct conversion of CO₂ to glycolate in aqueous media under ambient conditions using unsaturated Cu sites as the catalyst, with a production rate of glycolate up to 305 ± 24 mmol h^-1 g^-1. Further mechanism studies have shown that the key to glycolate generation is the formation and timely desorption of the *OHCCHO intermediate after C-C coupling, followed by a disproportionation reaction with base to generate the product. This work provides a successful case for the sustainable synthesis of glycolic acid from CO₂ in aqueous media, which represents a new product from electrocatalytic CO₂RR.

PMID:
42412068
Bibliographic data and abstract were imported from PubMed on 07 Jul 2026.

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