Issue 36, 2013
From the journal:

RSC Advances

The strategies for improving carbon dioxide chemisorption by functionalized ionic liquids†

Congmin Wang,*a   Xiaoyan Luo,a   Xiang Zhu,bc   Guokai Cui,a   De-en Jiang,d   Dongshun Deng,e   Haoran Lia  and  Sheng Dai*bd  

* Corresponding authors

a Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
E-mail: chewcm@zju.edu.cn
Fax: +86-571-8795-1895

b Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, USA

c Department of Chemistry, East Chinese University of Science and Technology, Shanghai 200237, P. R. China

d Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge 37831, USA
E-mail: dais@ornl.gov
Fax: + 1-865-576-5235

e College of Chemical Engineering and Material Science, Zhejiang University of Technology, Hangzhou 310014, P. R. China

Abstract

CO2 capture and storage (CCS) has attracted worldwide interest because CO2 makes a significant contribution to global warming and climate change as a major greenhouse gas. Ionic liquids are promising absorbents for carbon capture due to their negligible vapour pressures, wide liquid range, high thermal stabilities and tunable properties. This perspective review focuses on the recent advances in chemical absorption of CO2 using functionalized ionic liquids, including amino acid-based ionic liquids, azole-based ionic liquids, phenol-based ionic liquids, and so on. Strategies for how to enhance CO2 absorption capacity, reduce CO2 absorption enthalpy, and improve CO2 absorption kinetics are presented. The absorption mechanisms of these functionalized ionic liquids are explained at the molecular level through a combination of theoretical calculation and spectroscopic investigation. Particular attention is paid to the latest developments in carbon capture by non-amino anion-functionalized ionic liquids. In the last section, future directions and prospects for CO2 capture by functionalized ionic liquids are outlined.

Graphical abstract: The strategies for improving carbon dioxide chemisorption by functionalized ionic liquids

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Article information

DOI
https://doi.org/10.1039/C3RA42366B
Article type
Review Article
Submitted
06 Oct 2012
Accepted
31 May 2013
First published
03 Jun 2013

RSC Adv., 2013,3, 15518-15527

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The strategies for improving carbon dioxide chemisorption by functionalized ionic liquids

C. Wang, X. Luo, X. Zhu, G. Cui, D. Jiang, D. Deng, H. Li and S. Dai, RSC Adv., 2013, 3, 15518 DOI: 10.1039/C3RA42366B

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