Article (Scientific journals)
A review of the synthesis and characterization of anion exchange membranes
Hagesteijn, Kimberly F. L.; Jiang, Shanxue; LADEWIG, Bradley Paul
2018In Journal of Materials Science, 53 (16), p. 11131 - 11150
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Keywords :
Anion exchange membrane; Anion exchange membranes (AEM); Anion-exchange membrane fuel cells; Heterogeneous membranes; High-temperature environment; Inorganic nanoparticle; Membrane characteristics; Synthesis and characterizations; Materials Science (all); Mechanics of Materials; Mechanical Engineering; General Materials Science
Abstract :
[en] This review highlights advancements made in anion exchange membrane (AEM) head groups, polymer structures and membrane synthesis methods. Limitations of current analytical techniques for characterizing AEMs are also discussed. AEM research is primarily driven by the need to develop suitable AEMs for the high-pH and high-temperature environments in anion exchange membrane fuel cells and anion exchange membrane water electrolysis applications. AEM head groups can be broadly classified as nitrogen based (e.g. quaternary ammonium), nitrogen free (e.g. phosphonium) and metal cations (e.g. ruthenium). Metal cation head groups show great promise for AEM due to their high stability and high valency. Through “rational polymer architecture”, it is possible to synthesize AEMs with ion channels and improved chemical stability. Heterogeneous membranes using porous supports or inorganic nanoparticles show great promise due to the ability to tune membrane characteristics based on the ratio of polymer to porous support or nanoparticles. Future research should investigate consolidating advancements in AEM head groups with an optimized polymer structure in heterogeneous membranes to bring together the valuable characteristics gained from using head groups with improved chemical stability, with the benefits of a polymer structure with ion channels and improved membrane properties from using a porous support or nanoparticles.
Disciplines :
Chemical engineering
Author, co-author :
Hagesteijn, Kimberly F. L. ;  Barrer Centre, Department of Chemical Engineering, Imperial College London, London, United Kingdom
Jiang, Shanxue ;  Barrer Centre, Department of Chemical Engineering, Imperial College London, London, United Kingdom
LADEWIG, Bradley Paul  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) ; Barrer Centre, Department of Chemical Engineering, Imperial College London, London, United Kingdom
External co-authors :
yes
Language :
English
Title :
A review of the synthesis and characterization of anion exchange membranes
Publication date :
August 2018
Journal title :
Journal of Materials Science
ISSN :
0022-2461
eISSN :
1573-4803
Publisher :
Springer New York LLC
Volume :
53
Issue :
16
Pages :
11131 - 11150
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
B.P.L. gratefully acknowledges financial support from Imperial College London (ICL). S.J. gratefully acknowledges financial support from the Department of Chemical Engineering at ICL. K.F.L.H. gratefully acknowledges financial support from the Department of Chemical Engineering at ICL and Statoil.
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