CO2 Valorization in Deep Eutectic Solvents

Zhenbo Guo; Zhicheng Zhang; Yuchen Huang; Tianxing Lin; Yixin Guo; Liang-Nian He; Tianfei Liu

doi:10.1002/cssc.202400197

CO2 Valorization in Deep Eutectic Solvents

ChemSusChem. 2024 Apr 17:e202400197. doi: 10.1002/cssc.202400197. Online ahead of print.

Authors

Zhenbo Guo¹, Zhicheng Zhang², Yuchen Huang³, Tianxing Lin⁴, Yixin Guo², Liang-Nian He³, Tianfei Liu⁵

Affiliations

¹ Nankai University, State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, Nankai University, Weijin Road No. 94, Tianjin 300071, China, 300071, Tianjin, CHINA.
² Nankai University, State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, Nankai University, Weijin Road No. 94, Tianjin, 300071, Tianjin, CHINA.
³ Nankai University, State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Weijin Road No. 94, Tianjin, 300071, Tianjin, CHINA.
⁴ Nankai University, State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Weijin Road No. 94, Tian-Nan combined building, Tianjin, 300071, Tianjin, CHINA.
⁵ Nankai University, State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, Nankai University, Weijin Road No. 94, Tian-Nan building D303, 300071, Tianjin, CHINA.

PMID: 38629214
DOI: 10.1002/cssc.202400197

Abstract

The deep eutectic solvent (DES) has emerged in recent years as a valuable medium for converting CO2 into valuable chemicals because of its easy availability, stability, and safety, and its capability to dissolve carbon dioxide. CO2 valorization in DES has evolved rapidly over the past 20 years. As well as being used as solvents for acid/base-promoted CO2 conversion for the production of cyclic carbonates and carbamates, DESs can be used as reaction media for electrochemical CO2 reduction for formic acid and CO. Among these products, cyclic carbonates can be used as solvents and electrolytes, carbamate derivatives include the core structure of many herbicides and pesticides, and formic acid and carbon monoxide, the C1 electrochemical products, are essential raw materials in the chemical industries. An overview of the application of DESs for CO2 valorization in recent years is presented in this review, followed by a compilation and comparison of product types and reaction mechanisms within the different types of DESs, and an outlook on how CO2 valorization will be developed in the future.

Keywords: CO2 valorization Deep Eutectic Solvents chemical conversion electrochemical reduction.