Deep Eutectic Solvents Featuring Dual Amino Sites for Efficient and Reversible CO2 Capture with Molecular-Level Insights

IF 6 3区工程技术 Q2 ENERGY & FUELS

Energy & Fuels Pub Date : 2026-10-15 Epub Date: 2026-10-05 DOI:10.1021/acs.energyfuels.6c04084

Chao Wang, Mindan Ma, Jiayi Chen, Wenxiang Qiu, Chunyan Dai, Linhua Zhu, Gang Fu, Hongping Li, Huaming Li

引用次数: 0

Abstract

In this study, a series of nonaqueous deep eutectic solvents (DESs) with dual amino sites were facilely constructed, among which the optimal DES (AEtMImBr: MEA (1:5)) achieved a CO₂ capture capacity of 0.204 g/g at 333.15 K and 1 bar. Moreover, this DES maintained stable performance after eight absorption–desorption cycles and under humid conditions with 10 wt % water addition. Finally, the formation of the DES and the CO₂ absorption process at the molecular level were investigated via both experimental and theoretical approaches.

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深度共晶溶剂具有双氨基位的有效和可逆的CO2捕获与分子水平的见解

本研究构建了一系列具有双氨基位的非水深共晶溶剂（DESs），其中最优的des （AEtMImBr: MEA(1:5)）在333.15 K和1 bar下的CO2捕获能力为0.204 g/g。此外，该DES在8次吸收-解吸循环后，在添加10%水的潮湿条件下保持稳定的性能。最后，通过实验和理论研究了DES的形成和CO2在分子水平上的吸收过程。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Energy & Fuels 工程技术-工程：化工

CiteScore

9.20

自引率

13.20%

发文量

1101

审稿时长

2.1 months

期刊介绍： Energy & Fuels publishes reports of research in the technical area defined by the intersection of the disciplines of chemistry and chemical engineering and the application domain of non-nuclear energy and fuels. This includes research directed at the formation of, exploration for, and production of fossil fuels and biomass; the properties and structure or molecular composition of both raw fuels and refined products; the chemistry involved in the processing and utilization of fuels; fuel cells and their applications; and the analytical and instrumental techniques used in investigations of the foregoing areas.