Recent progress on advanced imaging techniques for lithium‐ion batteries

Z Deng, X Lin, Z Huang, J Meng… - Advanced Energy …, 2021 - Wiley Online Library
Lithium‐ion batteries are the most commercially successful electrochemical devices,
extensively used in intelligent electronics, electric vehicles, grid energy storages, etc …

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 …

[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 …

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 …

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 …

MJ Shojaei, B Bijeljic, Y Zhang… - ACS Applied Energy …, 2022 - ACS Publications
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 …

[HTML][HTML] Lattice Boltzmann simulation of liquid water transport in gas diffusion layers of proton exchange membrane fuel cells: Impact of gas diffusion layer and …

P Sarkezi-Selsky, H Schmies, A Latz, T Jahnke - Journal of Power Sources, 2023 - Elsevier
Abstract Polymer Electrolyte Membrane Fuel Cells (PEMFCs) represent a promising
technology for clean drivetrain solutions, in particular for heavy-duty applications. However …

Pore network modelling of capillary transport and relative diffusivity in gas diffusion layers with patterned wettability

TG Tranter, P Boillat, A Mularczyk… - Journal of The …, 2020 - iopscience.iop.org
Engineering the wettability and microstructure of gas diffusion layers offers a powerful
strategy to optimize water management in polymer electrolyte fuel cells. To this goal, we …

[HTML][HTML] Pore-scale investigation of water-gas transport in reconstructed gas diffusion layers with binder and polytetrafluoroethylene coating

M Li, J Liu, P Nachtigal, D Mimic - Journal of Power Sources, 2024 - Elsevier
The microstructure of the gas diffusion layer (GDL) influences the fuel cell performance
significantly. A deeper understanding of the transport processes within the GDL is crucial for …

[HTML][HTML] In Situ X-ray imaging of HT-PEMFC hot-pressing using contrast enhancement

A Zucconi, J Hack, TAM Suter, M Braglia… - Journal of Power …, 2023 - Elsevier
A contrast enhancement agent is used to visualise phosphoric acid penetration and
distribution in high-temperature polymer electrolyte membrane fuel cells. This new method is …

[HTML][HTML] Quantitative observation of water phase transition in gas diffusion layers utilizing advanced in situ differential scanning calorimetry

W Liu, J Lee, TJ Schmidt, P Boillat - Journal of Power Sources, 2024 - Elsevier
The study investigates the freezing behavior of supercooled water in gas diffusion layers
(GDLs) of polymer electrolyte fuel cells (PEFCs). Using an innovative advanced in situ …