Tortuosity in electrochemical devices: a review of calculation approaches
The tortuosity of a structure plays a vital role in the transport of mass and charge in
electrochemical devices. Concentration polarisation losses at high current densities are …
electrochemical devices. Concentration polarisation losses at high current densities are …
Developments in X-ray tomography characterization for electrochemical devices
Over the last century, X-ray imaging instruments and their accompanying tomographic
reconstruction algorithms have developed considerably. With improved tomogram quality …
reconstruction algorithms have developed considerably. With improved tomogram quality …
Comparison of microstructural evolution of fuel electrodes in solid oxide fuel cells and electrolysis cells
Solid oxide cells are electrochemical devices used for the conversion of chemical energy to
electrical energy (Solid Oxide Fuel Cells-SOFC) and vice versa (Solid Oxide Electrolysis …
electrical energy (Solid Oxide Fuel Cells-SOFC) and vice versa (Solid Oxide Electrolysis …
Optimal polyhedral description of 3D polycrystals: Method and application to statistical and synchrotron X-ray diffraction data
A methodology is presented for optimal polyhedral description of 3D polycrystals from
experimental properties. This is achieved by determining, by optimization, appropriate …
experimental properties. This is achieved by determining, by optimization, appropriate …
Resolving the discrepancy in tortuosity factor estimation for Li-ion battery electrodes through micro-macro modeling and experiment
FLE Usseglio-Viretta, A Colclasure… - Journal of The …, 2018 - iopscience.iop.org
Battery performance is strongly correlated with electrode microstructural properties. Of the
relevant properties, the tortuosity factor of the electrolyte transport paths through …
relevant properties, the tortuosity factor of the electrolyte transport paths through …
Impact of Nickel agglomeration on Solid Oxide Cell operated in fuel cell and electrolysis modes
Long-term experiments have been carried out to investigate the impact of Nickel (Ni)
coarsening on the performance of Solid Oxide Cell. Durability tests have been performed …
coarsening on the performance of Solid Oxide Cell. Durability tests have been performed …
Degradation of Ni-YSZ electrodes in solid oxide cells: impact of polarization and initial microstructure on the Ni evolution
Two types of solid oxide cells with different Ni-YSZ cermet microstructures have been aged
in electrolysis and fuel cell modes for operating times ranging from 1000 to 15000 hours …
in electrolysis and fuel cell modes for operating times ranging from 1000 to 15000 hours …
[HTML][HTML] Stochastic geometrical modeling of solid oxide cells electrodes validated on 3D reconstructions
An original 3D stochastic model, based on the truncated plurigaussian random fields, has
been adapted to simulate the complex microstructure of SOC electrodes. The …
been adapted to simulate the complex microstructure of SOC electrodes. The …
Quantitative relationships between pore tortuosity, pore topology, and solid particle morphology using a novel discrete particle size algorithm
FLE Usseglio-Viretta, DP Finegan… - Journal of The …, 2020 - iopscience.iop.org
To sustain the continuous high-rate charge current required for fast charging of electric
vehicle batteries, the ionic effective diffusion coefficient of the electrodes must be high …
vehicle batteries, the ionic effective diffusion coefficient of the electrodes must be high …
Numerical study of electrode permeability influence on planar SOFC performance
A Naouar, D Ferrero, M Santarelli, H Dhahri… - International Journal of …, 2024 - Elsevier
A solid oxide fuel cell (SOFC) is a clean and very efficient electrochemical conversion
device, which generates electricity directly from fuel electrochemical oxidation. In this paper …
device, which generates electricity directly from fuel electrochemical oxidation. In this paper …