Gas diffusion layer degradation in proton exchange membrane fuel cells: Mechanisms, characterization techniques and modelling approaches

Y Pan, H Wang, NP Brandon - Journal of Power Sources, 2021 - Elsevier
Proton exchange membrane fuel cells (PEMFCs) have been considered as a promising
power source for electric vehicles. However, the widespread use of PEMFCs requires a …

Challenges and opportunities for characterisation of high-temperature polymer electrolyte membrane fuel cells: a review

A Zucconi, J Hack, R Stocker, TAM Suter… - Journal of Materials …, 2024 - pubs.rsc.org
High-temperature (120–200° C) polymer electrolyte membrane fuel cells (HT-PEMFCs) are
promising energy conversion devices that offer multiple advantages over the established …

Highly durable fluorinated high oxygen permeability ionomers for proton exchange membrane fuel cells

N Macauley, RD Lousenberg… - Advanced Energy …, 2022 - Wiley Online Library
For proton exchange membrane fuel cells to be cost‐competitive in light‐and heavy‐duty
vehicle applications, their Pt content in the catalyst layers needs to be lowered. However …

Experimental and computational study of the microporous layer and hydrophobic treatment in the gas diffusion layer of a proton exchange membrane fuel cell

M Sarker, MA Rahman, F Mojica, S Mehrazi… - Journal of Power …, 2021 - Elsevier
Enabling fuel cell operation at high current density is critical for develo** competitive
alternative power system to replace internal combustion engine. However, liquid water …

A viewpoint on X-ray tomography imaging in electrocatalysis

Y Chen, G Stelmacovich, A Mularczyk… - ACS …, 2023 - ACS Publications
With the emerging demands for clean energy and an economy with net-zero greenhouse
gas emissions, electrocatalysis areas have attracted tremendous interest in recent years …

Catalyst aggregate size effect on the mass transport properties of non-noble metal catalyst layers for PEMFC cathodes

S Ünsal, M Bozzetti, YC Chen, R Girod… - Journal of The …, 2023 - iopscience.iop.org
Non-noble metal catalysts (NNMCs) are regarded as a promising alternative to the costly Pt-
based materials required to catalyze the oxygen reduction reaction (ORR) in proton …

[HTML][HTML] Determination of the porosity and its heterogeneity of fuel cell microporous layers by X-ray tomographic microscopy

YC Chen, C Karageorgiou, J Eller, TJ Schmidt… - Journal of Power …, 2022 - Elsevier
Advancing polymer electrolyte fuel cell technology includes the rational design of the
microporous layer (MPL) coating on the gas diffusion layer (GDL), where the porosity and …

[HTML][HTML] Investigating the coupled influence of flow fields and porous electrodes on redox flow battery performance

V Muñoz-Perales, PÁ García-Salaberri… - Journal of Power …, 2023 - Elsevier
At the core of redox flow reactors, the design of the flow field geometry–which distributes the
liquid electrolyte through the porous electrodes–and the porous electrode microstructure …

Microstructures and electrical conductivity properties of compressed gas diffusion layers using X-ray tomography

L Ye, D Qiu, L Peng, X Lai - Applied Energy, 2022 - Elsevier
Bulk resistance of the gas diffusion layer (GDL) plays an important role in the ohmic loss of
proton exchange membrane fuel cells (PEMFCs). This work represents the first direct …

Simultaneous multimaterial operando tomography of electrochemical devices

P Shrestha, JM LaManna, KF Fahy, P Kim, CH Lee… - Science …, 2023 - science.org
The performance of electrochemical energy devices, such as fuel cells and batteries, is
dictated by intricate physiochemical processes within. To better understand and rationally …