A review of gas diffusion layers for proton exchange membrane fuel cells—With a focus on characteristics, characterization techniques, materials and designs

A Ozden, S Shahgaldi, X Li, F Hamdullahpur - Progress in Energy and …, 2019 - Elsevier
Proton exchange membrane (PEM) fuel cells are at the dawn of commercialization. Their
operation and design characteristics, hence their performance, are closely linked to the …

Electrochemical hydrogen compressor: Recent progress and challenges

D Marciuš, A Kovač, M Firak - International journal of hydrogen energy, 2022 - Elsevier
Hydrogen has higher specific energy than conventional fuels but compared per unit volume
under normal conditions, its energy density is lower. This difference is compensated with …

Gas-diffusion-layer structural properties under compression via X-ray tomography

IV Zenyuk, DY Parkinson, LG Connolly… - Journal of Power Sources, 2016 - Elsevier
There is a need to understand the structure properties of gas-diffusion layers (GDLs) in order
to optimize their performance in various electrochemical devices. This information is …

In situ and operando characterization of proton exchange membrane fuel cells

Q Meyer, Y Zeng, C Zhao - Advanced Materials, 2019 - Wiley Online Library
For proton exchange membrane fuel cells (PEMFCs) to become a mainstream energy
source, significant improvements in their performance, durability, and efficiency are …

Review on proton exchange membrane fuel cell stack assembly: Quality evaluation, assembly method, contact behavior and process design

D Qiu, L Peng, P Yi, W Lehnert, X Lai - Renewable and Sustainable Energy …, 2021 - Elsevier
Proton exchange membrane (PEM) fuel cells are ideal power sources with great potential for
automobiles, backup power systems and stationary applications, owing to high efficiency …

Recent progress of gas diffusion layer in proton exchange membrane fuel cell: Two-phase flow and material properties

Q Chen, Z Niu, H Li, K Jiao, Y Wang - International Journal of Hydrogen …, 2021 - Elsevier
Proton exchange membrane (PEM) fuel cells are a promising candidate as the next-
generation power sources for portable, transportation, and stationary applications. Gas …

Experimental study on the performance of a vanadium redox flow battery with non-uniformly compressed carbon felt electrode

Q Wang, ZG Qu, ZY Jiang, WW Yang - Applied Energy, 2018 - Elsevier
Optimal electrode compression can efficiently reduce electrode contact resistance and
enhance species mass transfer so that the performance of vanadium redox flow battery …

Numerical study on vanadium redox flow battery performance with non-uniformly compressed electrode and serpentine flow field

Q Wang, ZG Qu, ZY Jiang, WW Yang - Applied Energy, 2018 - Elsevier
Electrode compression is an effective approach to enhance the performance of vanadium
redox flow battery (VRFB). Electrode compression can decrease the contact resistance …

Electrical resistance and microstructure of typical gas diffusion layers for proton exchange membrane fuel cell under compression

D Qiu, H Janßen, L Peng, P Irmscher, X Lai, W Lehnert - Applied energy, 2018 - Elsevier
Electrical resistance accounts for a significant part of the performance loss in proton
exchange membrane fuel cells. To the best of the authors' knowledge, this work represents …

4D in situ visualization of electrode morphology changes during accelerated degradation in fuel cells by X-ray computed tomography

RT White, A Wu, M Najm, FP Orfino, M Dutta… - Journal of Power …, 2017 - Elsevier
A four-dimensional visualization approach, featuring three dimensions in space and one
dimension in time, is proposed to study local electrode degradation effects during voltage …