Ion exchange membranes: constructing and tuning ion transport channels

P Zuo, Z Xu, Q Zhu, J Ran, L Ge, X Ge… - Advanced Functional …, 2022 - Wiley Online Library
Ion exchange membranes (IEMs) that can selectively transport ions are crucial to a variety of
applications, such as ion extraction/separation, fuel cells, redox flow batteries, and water …

Toward alkaline-stable anion exchange membranes in fuel cells: cycloaliphatic quaternary ammonium-based anion conductors

J Xue, J Zhang, X Liu, T Huang, H Jiang, Y Yin… - Electrochemical Energy …, 2022 - Springer
Anion exchange membrane (AEM) stability has been a long-standing challenge that limited
the widespread development and adoption of AEM fuel cells (AEMFCs). The past five years …

Current challenges and perspectives of polymer electrolyte membranes

X Ge, F Zhang, L Wu, Z Yang, T Xu - Macromolecules, 2022 - ACS Publications
Polymer electrolyte membranes are charged polymers in the membrane shape, which can
separate the anode reaction from the cathode reaction, allowing the fabrication of compact …

Helical configuration channels boost performance in anion exchange membranes

Y Zhang, F Zhang, Y Chen, L Sun, C Wei… - Chemical Engineering …, 2023 - Elsevier
Herein, anion exchange membranes (AEMs) containing biomimetic helical conduction
channels are prepared. The helical structures can construct columnar ion transport channels …

High Free Volume Polyelectrolytes for Anion Exchange Membrane Water Electrolyzers with a Current Density of 13.39 A cm−2 and a Durability of 1000 h

C Hu, HW Kang, SW Jung, ML Liu, YJ Lee… - Advanced …, 2024 - Wiley Online Library
The rational design of the current anion exchange polyelectrolytes (AEPs) is challenging to
meet the requirements of both high performance and durability in anion exchange …

Solution-processable amorphous microporous polymers for membrane applications

Q Zhu, H Li, W Wu, J Fang, P Zuo, Z Yang… - Progress in Polymer …, 2023 - Elsevier
The adsorption and transport of molecules or ions in the confined space of microporous
materials often reveal properties not seen in either dense bulk or microporous materials. The …

Mechanically robust microporous anion exchange membranes with efficient anion conduction for fuel cells

T Huang, J Zhang, Y Pei, X Liu, J Xue, H Jiang… - Chemical Engineering …, 2021 - Elsevier
Polymers of intrinsic microporosity (PIMs) present an attractive opportunity for developing
new types of anion exchange membranes (AEMs) for fuel cell featuring charged …

Preparation of random polymers by copolymerization of rigid-twisted spirobiindane with poly (aryl isatin) for high-performance anion exchange membranes

J Chen, S Xu, X Su, W Wei, Y Li, R Du… - ACS Applied Polymer …, 2023 - ACS Publications
Designing the packing of polymer chains with reasonable fraction free volume (FFV) is
regarded as an effective way to improve the conductivity of polymer-based membranes. We …

Ultra-thin quaternized polybenzimidazole anion exchange membranes with throughout OH− conducive highway networks for high-performance fuel cells

X Wang, W Chen, T Li, X Yan, Y Zhang… - Journal of Materials …, 2021 - pubs.rsc.org
A hydrophilic–hydrophobic microphase separation structure is essential for anion exchange
membranes (AEMs) to balance ion conduction and mechanical strength. However …

Rigid crosslinkers towards constructing highly-efficient ion transport channels in anion exchange membranes

C Hu, X Deng, X Dong, Y Hong, Q Zhang… - Journal of Membrane …, 2021 - Elsevier
Synthetic anion exchange membranes (AEMs) usually suffer from low conductivity, bad
alkaline stability and poor dimensional stability. Constructing efficient ion transport channels …