Measuring the true hydroxide conductivity of anion exchange membranes

A Zhegur-Khais, F Kubannek, U Krewer… - Journal of Membrane …, 2020 - Elsevier
In this study, a CO 2-in-situ purging technique was used to measure the true OH‾
conductivity of several anion exchange membranes (AEMs). During this process …

Elucidating the degradation mechanisms of Pt-free anode anion-exchange membrane fuel cells after durability testing

JC Douglin, RK Singh, AC Yang-Neyerlin… - Journal of Materials …, 2024 - pubs.rsc.org
The development of anion-exchange membrane fuel cells (AEMFCs) has recently
accelerated due to synergistic improvements yielding highly conductive membranes, stable …

[HTML][HTML] Analytical-based simulation approach for an anion exchange membrane fuel cell

JM Mora, M Sarker, Z Najafianashrafi… - Energy Conversion and …, 2022 - Elsevier
An analytical and empirical-based 1-D, non-isothermal, steady-state model for anion
exchange membrane fuel cell capable of capturing two-phase phenomena is presented in …

Hydrophobic quaternized poly (fluorene) ionomers for emerging fuel cells

S Adhikari, DP Leonard, KH Lim, EJ Park… - ACS Applied Energy …, 2022 - ACS Publications
Quaternized polymers as electrode ionomeric binders enable fuel cell operation under high-
pH or anhydrous conditions. Herein we report quaternized poly (fluorene) ionomers with …

Understanding and optimizing water transport phenomena in the catalyst layer for anion exchange membrane fuel cells

H Huang, C Xiao, Z Zhang, T Zhao, L Zeng - Journal of Power Sources, 2023 - Elsevier
Anion exchange membrane fuel cells (AEMFCs) are a promising power source due to zero
emissions and high efficiency, and low precious metal loading. However, water …

Spatially resolved performance and degradation in a perfluorinated anion exchange membrane fuel cell

AG Divekar, MR Gerhardt, CM Antunes, L Osmieri… - Electrochimica …, 2022 - Elsevier
Anion exchange membrane fuel cells may enable future operation with non-precious metal-
based catalysts. These systems have a delicate sensitivity to operating conditions such as …

Perfluorinated comb-shaped cationic polymer containing long-range ordered main chain for anion exchange membrane

X Liu, D Wu, X Liu, X Luo, Y Liu, Q Zhao, J Li, D Dong - Electrochimica Acta, 2020 - Elsevier
Achieving high ionic conductivity and alkaline stability of anion exchange membranes
(AEMs) is critical for anion exchange membrane fuel cells (AEMFCs). Here we described a …

Quaternary ammonium-bearing perfluorinated polymers for anion exchange membrane applications

S Lee, H Lee, TH Yang, B Bae, NAT Tran, Y Cho… - Membranes, 2020 - mdpi.com
Perfluorinated polymers are widely used in polymer electrolyte membranes because of their
excellent ion conductivity, which are attributed to the well-defined morphologies resulting …

Standard operating protocol for ion-exchange capacity of anion exchange membranes

L Wang, S Rojas-Carbonell, K Hu… - Frontiers in Energy …, 2022 - frontiersin.org
Ion-exchange capacity (IEC) is the measure of a material's capability to displace ions
formerly incorporated within its structure. IEC is a key feature of anion-exchange membranes …

In-depth understanding of the CO 2 limitation of air fed anion exchange membrane fuel cells

AG Divekar, AC Yang-Neyerlin, CM Antunes… - Sustainable Energy & …, 2020 - pubs.rsc.org
The interaction of a perfluorinated anion exchange membrane (AEM), initially in the
hydroxide form, with atmospheric CO2 at 60° C and under a range of relative humidity …