X-ray tomography applied to electrochemical devices and electrocatalysis
X-ray computed tomography (CT) is a nondestructive three-dimensional (3D) imaging
technique used for studying morphological properties of porous and nonporous materials. In …
technique used for studying morphological properties of porous and nonporous materials. In …
Challenges and opportunities for characterisation of high-temperature polymer electrolyte membrane fuel cells: a review
High-temperature (120–200° C) polymer electrolyte membrane fuel cells (HT-PEMFCs) are
promising energy conversion devices that offer multiple advantages over the established …
promising energy conversion devices that offer multiple advantages over the established …
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 …
gas emissions, electrocatalysis areas have attracted tremendous interest in recent years …
Deep learning for multiphase segmentation of X-ray images of gas diffusion layers
High-resolution X-ray computed tomography (micro-CT) has been widely used to
characterise fluid flow in porous media for different applications, including in gas diffusion …
characterise fluid flow in porous media for different applications, including in gas diffusion …
[HTML][HTML] 1D two-phase, non-isothermal modeling of a proton exchange membrane water electrolyzer: An optimization perspective
PA García-Salaberri - Journal of Power Sources, 2022 - Elsevier
Proton exchange membrane water electrolyzers (PEMWEs) have experienced a
renaissance as eco-friendly devices for the storage of renewable energy surpluses …
renaissance as eco-friendly devices for the storage of renewable energy surpluses …
[HTML][HTML] Water cluster characteristics of fuel cell gas diffusion layers with artificial microporous layer crack dilation
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 …
(GDL) can lead to increased resistance for oxygen transport in the catalyst layer. This study …
Silane-functionalized carbon with super-hydrophobicity advancing microporous layer for proton exchange membrane fuel cells
The hydrophobicity of microporous layer (MPL) plays an important role in the water
management and thereby performance improvement of proton exchange membrane fuel …
management and thereby performance improvement of proton exchange membrane fuel …
Characterisation of hydraulic properties of commercial gas diffusion layers: Toray, SGL, MGL, woven carbon cloth
This study utilises computational fluid dynamics simulations with the OpenFOAM
computational framework to investigate and compare the in-plane and through-plane …
computational framework to investigate and compare the in-plane and through-plane …
Investigation of droplet dynamic in PEMFCs gas diffusion layer and gas channel with Micro-CT and lattice Boltzmann method
This study reconstructed the 3D structure of the gas diffusion layer (GDL) in proton exchange
membrane fuel cells (PEMFCs) using micro-CT technology and analyzed the droplet …
membrane fuel cells (PEMFCs) using micro-CT technology and analyzed the droplet …
Minimal surfaces in porous materials: X-ray image-based measurement of the contact angle and curvature in gas diffusion layers to design optimal performance of fuel …
We inject water at a low flow rate through gas diffusion layers containing different
percentages of polytetrafluoroethylene (PTFE) coating: 5, 20, 40, and 60%. We use high …
percentages of polytetrafluoroethylene (PTFE) coating: 5, 20, 40, and 60%. We use high …