X-ray tomography applied to electrochemical devices and electrocatalysis

JT Lang, D Kulkarni, CW Foster, Y Huang… - Chemical …, 2023 - ACS Publications
X-ray computed tomography (CT) is a nondestructive three-dimensional (3D) imaging
technique used for studying morphological properties of porous and nonporous materials. In …

Stability of Platinum‐Group‐Metal‐Based Electrocatalysts in Proton Exchange Membrane Fuel Cells

E Zhu, M Wu, H Xu, B Peng, Z Liu… - Advanced Functional …, 2022 - Wiley Online Library
Proton exchange membrane fuel cells (PEMFCs) have attracted significant interest as a
promising alternative technology to the combustion engine to power next‐generation …

Large-scale physically accurate modelling of real proton exchange membrane fuel cell with deep learning

YD Wang, Q Meyer, K Tang, JE McClure… - Nature …, 2023 - nature.com
Proton exchange membrane fuel cells, consuming hydrogen and oxygen to generate clean
electricity and water, suffer acute liquid water challenges. Accurate liquid water modelling is …

Operando deconvolution of the degradation mechanisms of iron–nitrogen–carbon catalysts in proton exchange membrane fuel cells

S Liu, Q Meyer, C Jia, S Wang, C Rong… - Energy & …, 2023 - pubs.rsc.org
Develo** platinum-free catalysts for proton exchange membrane fuel cells (PEMFCs) is
crucial to the hydrogen economy. While iron–nitrogen–carbon (Fe–N–C) catalysts are …

[HTML][HTML] Water cluster characteristics of fuel cell gas diffusion layers with artificial microporous layer crack dilation

D Niblett, V Niasar, S Holmes, A Mularczyk… - Journal of Power …, 2023 - Elsevier
The formation of discrete water clusters in polymer electrolyte fuel cell gas diffusion layers
(GDL) can lead to increased resistance for oxygen transport in the catalyst layer. This study …

Integration of a high oxygen permeability ionomer into polymer electrolyte membrane fuel cell cathodes for high efficiency and power density

JP Braaten, NN Kariuki, DJ Myers, S Blackburn… - Journal of Power …, 2022 - Elsevier
In this work, we present a study on the integration of a high oxygen permeability ionomer
(HOPI) with high durability carbon supported platinum (Pt/C) catalysts to prepare cathode …

Deep learning for full-feature X-ray microcomputed tomography segmentation of proton electron membrane fuel cells

K Tang, Q Meyer, R White, RT Armstrong… - Computers & Chemical …, 2022 - Elsevier
This study demonstrates the benefit of convolutional neural networks to accurately classify
the different materials of proton exchange membrane fuel cells using X-ray micro-computed …

Mitigation of mechanical membrane degradation in fuel cells–part 1: Gas diffusion layers with low surface roughness

D Ramani, NS Khattra, Y Singh, A Mohseni-Javid… - Journal of Power …, 2021 - Elsevier
Hygrothermal variations that arise during dynamic fuel cell operation are known to generate
mechanical stresses in the ionomer membrane. Previous research has indicated that …

Enhanced water management in PEMFCs: perforated catalyst layer and microporous layers

A Mohseninia, D Kartouzian, R Schlumberger… - …, 2020 - Wiley Online Library
An experimental in situ study was performed to investigate the effects of the catalyst layer
(CL) and cathode microporous layer (MPLc) perforation on the water management and …

Oxygen Reduction Electrocatalyst Degradation and Mitigation Strategies in Proton Exchange Membrane Fuel Cells

M Wang, E Sun, Y Wang, L Lei, Z Du, S Zaman… - Applied Catalysis B …, 2025 - Elsevier
Oxygen reduction reaction electrocatalysts are the core part of proton exchange membrane
fuel cells that determine the overall cost and performance. Despite recent advances in …