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 …

A review of the microporous layer in proton exchange membrane fuel cells: Materials and structural designs based on water transport mechanism

J Zhang, B Wang, J **, S Yang, G Li - Renewable and Sustainable Energy …, 2022 - Elsevier
Proton exchange membrane fuel cells (PEMFCs) have exhibited great potential as future
electrochemical devices to power a wide scope of applications. Despite recent rapid …

A nature-inspired solution for water management in flow fields for electrochemical devices

P Trogadas, JIS Cho, L Rasha, X Lu… - Energy & …, 2024 - pubs.rsc.org
A systematic, nature-inspired chemical engineering approach is employed to solve the issue
of flooding in electrochemical devices. The mechanism of passive water transport utilized by …

[HTML][HTML] Lattice Boltzmann simulation of liquid water transport in gas diffusion layers of proton exchange membrane fuel cells: Parametric studies on capillary …

P Sarkezi-Selsky, H Schmies, A Kube, A Latz… - Journal of Power …, 2022 - Elsevier
Water management is crucial for reliable operation of Polymer Electrolyte Membrane Fuel
Cells (PEMFC). Here, the gas diffusion layer (GDL) plays an essential role as it has to …

Thermal conductivity of gas diffusion layers of PEM fuel cells: anisotropy and effects of structures

Q Alahmad, M Rahbar, M Han, H Lin, S Xu… - International Journal of …, 2023 - Springer
When addressing the proton exchange membrane (PEM) fuel cells, effective water
management is essential for the system to respond promptly to electric power demands. The …

Comprehensive analysis of wettability in waterproofed gas diffusion layers for polymer electrolyte fuel cells

W Yoshimune, A Kato, S Yamaguchi… - ACS Applied Materials …, 2024 - ACS Publications
In polymer electrolyte fuel cells (PEFCs), the gas diffusion layer (GDL) is crucial for
managing the flooding tolerance, which is the ability to remove the water produced during …

High performance gas diffusion layers with added deterministic structures

C Csoklich, TJ Schmidt, FN Büchi - Energy & Environmental Science, 2022 - pubs.rsc.org
Polymer electrolyte fuel cells are a key technology for future green energy systems for
transport applications and for balancing the intermittency of renewable energies. For wider …

A 3D convolutional neural network accurately predicts the permeability of gas diffusion layer materials directly from image data

T Cawte, A Bazylak - Current Opinion in Electrochemistry, 2022 - Elsevier
Three dimensional convolutional neural networks (3D CNNs) were used to accurately
predict the permeability of fuel cell gas diffusion layer (GDL) materials directly from 3D …

[HTML][HTML] Does the thermal conductivity of gas diffusion layer matter in polymer electrolyte fuel cells?

C Csoklich, M Sabharwal, TJ Schmidt… - Journal of Power Sources, 2022 - Elsevier
Water management is a highly critical parameter for improving the performance of polymer
electrolyte fuel cells (PEFCs) at high current densities. The microstructure and properties of …

On the water transport mechanism through the microporous layers of operando polymer electrolyte fuel cells probed directly by X-ray tomographic microscopy

YC Chen, T Dörenkamp, C Csoklich, A Berger… - Energy …, 2023 - pubs.rsc.org
Product water transport via the microporous layer (MPL) and gas diffusion layer (GDL)
substrate during polymer electrolyte fuel cell (PEFC) operation was directly and …