Anion-exchange membranes in electrochemical energy systems

JR Varcoe, P Atanassov, DR Dekel… - Energy & …, 2014 - pubs.rsc.org
This article provides an up-to-date perspective on the use of anion-exchange membranes in
fuel cells, electrolysers, redox flow batteries, reverse electrodialysis cells, and …

Roles of anion–cation coupling transport and dehydration-induced ion–membrane interaction in precise separation of ions by nanofiltration membranes

X Zhai, YL Wang, R Dai, X Li… - Environmental Science & …, 2022 - ACS Publications
Nanofiltration (NF) membranes are playing increasingly crucial roles in addressing
emerging environmental challenges by precise separation, yet understanding of the …

Anion exchange membranes' evolution toward high hydroxide ion conductivity and alkaline resiliency

CG Arges, L Zhang - ACS Applied Energy Materials, 2018 - ACS Publications
The development of alkaline fuel cells over the past decade has led to exciting
developments in low resistant and alkaline stable anion exchange membranes (AEMs). This …

Self-crosslinked blend alkaline anion exchange membranes with bi-continuous phase separated morphology to enhance ion conductivity

T Huang, G He, J Xue, O Otoo, X He, H Jiang… - Journal of Membrane …, 2020 - Elsevier
Combining two facile methods, spinodal blending and self-crosslinking by chloromethyl
groups are jointly utilized in fabricating alkaline anion exchange membranes (AEMs). Highly …

N-Alkyl Interstitial Spacers and Terminal Pendants Influence the Alkaline Stability of Tetraalkylammonium Cations for Anion Exchange Membrane Fuel Cells

SA Nunez, C Capparelli, MA Hickner - Chemistry of Materials, 2016 - ACS Publications
Current performance targets for anion exchange membrane (AEM) fuel cells call for greater
than 95% alkaline stability for 5000 h at temperatures of up to 120° C. Using this target …

Proton transport mechanism of perfluorosulfonic acid membranes

J Savage, YLS Tse, GA Voth - The Journal of Physical Chemistry …, 2014 - ACS Publications
An understanding of proton transport within perfluorosulfonic acid (PFSA) membranes is
crucial to improve the efficiency of proton exchange membrane fuel cells. Using reactive …

Molecular dynamics analysis of anti-agglomerant surface adsorption in natural gas hydrates

MA Bellucci, MR Walsh, BL Trout - The Journal of Physical …, 2018 - ACS Publications
We have used molecular dynamics simulations to examine the surface adsorption of a
model anti-agglomerant inhibitor (quaternary ammonium salt) binding to a hydrate surface in …

Electrochemical conversion of CO 2 to fuels: tuning of the reaction zone using suitable functional groups in a solid polymer electrolyte

LM Aeshala, R Uppaluri, A Verma - Physical Chemistry Chemical …, 2014 - pubs.rsc.org
The electrochemical reduction of gaseous CO2 is studied for the first time using sterically
hindered bulky quaternary ammonium ions in a solid polymer matrix at room temperature …

Designing anion exchange membranes with enhanced hydroxide ion conductivity by mesoscale simulations

MT Lee - The Journal of Physical Chemistry C, 2020 - ACS Publications
This work studied polyphenylene oxide tetramethylammonium (PPO-TMA) anion exchange
membrane by dissipative particle dynamics (DPD) simulations. The simulation method is …

Molecular simulation of quaternary ammonium solutions at low hydration levels

S Pusara, S Srebnik, DR Dekel - The Journal of Physical …, 2018 - ACS Publications
Much research has focused on the stability of substituted ammonium salts in anion-
exchange membranes (AEMs). While cation chemistry dictates AEM stability, chemical …