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Water permeation through anion exchange membranes

Journal of Power Sources, 2018
Abstract An understanding of water permeation through solid polymer electrolyte (SPE) membranes is crucial to offset the unbalanced water activity within SPE fuel cells. We examine water permeation through an emerging class of anion exchange membranes, hexamethyl-p-terphenyl poly (dimethylbenzimidazolium) (HMT-PMBI), and compare it against series of ...
Xiaoyan Luo   +3 more
openaire   +1 more source

Permselectivity and microstructure of anion exchange membranes

Journal of Colloid and Interface Science, 2008
The water content, the ion exchange capacity, the transport number of counter-ion of the AMV and AMX anion exchange membranes were determined. The two-phase model (gel phase and interstitial phase) of structure microheterogeneity was validated by means of conductivity measurements.
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Advanced development of anion-exchange membrane electrolyzers for hydrogen production: from anion-exchange membranes to membrane electrode assemblies

Chemical Communications
Anion-exchange membrane water electrolysis (AEMWE) has attracted attention owing to its operation in alkaline environments, which offers the advantage of not requiring the use of precious metals.
Yun Chao Lei   +6 more
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Alkali‐Stable Cations and Anion Exchange Membranes

Chemistry – A European Journal
AbstractAnion exchange membranes (AEMs) based energy conversion and storage devices have attracted attention as an innovative technology due to their advantageous alkaline catalytic kinetics and cost‐effectiveness. AEMs play a crucial role in these devices and have shown significant progress in terms of ionic conductivity, mechanical properties ...
Qihang Zhang   +3 more
openaire   +2 more sources

Preparations and characterizations of anion exchange membranes and ionomers for anion exchange membrane fuel cells

2015
Anion exchange membrane fuel cells (AEMFCs) that utilize anion exchange membranes (AEMs) as solid polymer electrolytes have been attracting increasing attention in the past few decades. AEMFCs not only exhibit enhanced reaction kinetics for both fuel oxidation and oxygen reduction, but also possess improved stability and durability of catalysts in ...
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Pushing the limit of 3d transition metal-based layered oxides that use both cation and anion redox for energy storage

Nature Reviews Materials, 2022
Minghao Zhang   +2 more
exaly  

Poly(pyrrolidinium)-Based Anion Exchange Membranes and Ionomers for Anion Exchange Membrane Water Electrolyzers

ECS Meeting Abstracts
Anion exchange membranes and ionomers are a critical technology for next generation energy conversion devices such as fuel cells, water electrolyzers, and CO2 electrolyzers. However, alkaline stability and poor understanding of performance and durability limiting descriptors have limited the development of a commercial benchmark membrane and ionomer,
openaire   +1 more source

Pseudo-halide anion engineering for α-FAPbI3 perovskite solar cells

Nature, 2021
Jaeki Jeong, Jongdeuk Seo, Haizhou Lu
exaly  

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