Impact of Coolant Operation on Performance and Heterogeneities in Large Proton Exchange Membrane Fuel Cells: A Review DOI Creative Commons

Marine Cornet,

Erwan Tardy, Jean-Philippe Poirot-Crouvezier

et al.

Energies, Journal Year: 2024, Volume and Issue: 18(1), P. 111 - 111

Published: Dec. 30, 2024

PEMFCs’ operation entails the presence of heterogeneities in generation current, heat and water along active surface area. Indeed, PEMFCs are open systems, as such, operating inherent to their operation. A review literature reveals numerous attempts achieve uniform current density distribution. These primarily focused on bipolar plate design conditions, with underlying assumption that correlates enhanced performance. Most studies focus influence gas flow-field inlet hydrogen air flow conditioning, less attention has been paid coolant condition. However, uncontrolled temperature distribution over a large cell area can lead performance loss localized degradations. On this latter point, we notice date have confined narrow range conditions. It appears complementary durability needed order obtain in-depth analyses coupled humidification PEMFCs.

Language: Английский

Operating Uniformity Does Not Necessarily Optimize Fuel Cell Performance: A Stack-Scale Study DOI

Marine Cornet,

Raphaël Riasse, Jean-Philippe Poirot-Crouvezier

et al.

Published: Jan. 1, 2025

Language: Английский

Citations

0
Advanced Methodology for Emulating Local Operating Conditions in Proton Exchange Membrane Fuel Cells DOI Creative Commons

Marine Cornet,

Arnaud Morin, Jean-Philippe Poirot-Crouvezier

et al.

Data, Journal Year: 2024, Volume and Issue: 9(12), P. 152 - 152

Published: Dec. 20, 2024

This work focuses on the study of operating heterogeneities a large MEA’s active surface area in PEMFC stack. An advanced methodology is developed, aiming at prediction local conditions such as temperature, relative humidity and species concentration. A physics-based Pseudo-3D model developed under COMSOL Multiphysics allows for observation over entire area. Once predicted, these are experimentally emulated, thanks to differential cell, provide polarization curves electrochemical impedance spectra. Coupling simulation experimental, thirty-seven emulated examine degree correlation between cell performances. Researchers engineers can use Electrochemical Impedance Spectroscopy diagrams fit variables an empirical or validate results theoretical model.

Language: Английский

Citations

0
Impact of Coolant Operation on Performance and Heterogeneities in Large Proton Exchange Membrane Fuel Cells: A Review DOI Creative Commons

Marine Cornet,

Erwan Tardy, Jean-Philippe Poirot-Crouvezier

et al.

Energies, Journal Year: 2024, Volume and Issue: 18(1), P. 111 - 111

Published: Dec. 30, 2024

PEMFCs’ operation entails the presence of heterogeneities in generation current, heat and water along active surface area. Indeed, PEMFCs are open systems, as such, operating inherent to their operation. A review literature reveals numerous attempts achieve uniform current density distribution. These primarily focused on bipolar plate design conditions, with underlying assumption that correlates enhanced performance. Most studies focus influence gas flow-field inlet hydrogen air flow conditioning, less attention has been paid coolant condition. However, uncontrolled temperature distribution over a large cell area can lead performance loss localized degradations. On this latter point, we notice date have confined narrow range conditions. It appears complementary durability needed order obtain in-depth analyses coupled humidification PEMFCs.

Language: Английский

Citations

0