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Kær, Søren Knudsen
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Topics
Publications (12/12 displayed)
- 2019Hydrogen mass transport resistance changes in a high temperature polymer membrane fuel cell as a function of current density and acid dopingcitations
- 2019Hydrogen mass transport resistance changes in a high temperature polymer membrane fuel cell as a function of current density and acid dopingcitations
- 2019The influence of ferric ion impurities on a proton exchange membrane electrolyzer operated at varying temperature and current density conditions
- 2019Influence of the operation mode on PEM water electrolysis degradationcitations
- 2019Influence of the operation mode on PEM water electrolysis degradationcitations
- 2019Long-term contamination effect of iron ions on cell performance degradation of proton exchange membrane water electrolysercitations
- 2018The Influence of Phosphoric Acid Migration on the Performance of High Temperature Polymer Electrolyte Fuel Cellscitations
- 2017Analysing Gas-Liquid Flow in PEM Electrolyser Micro-Channels Using a Micro-Porous Ceramic as Gas Permeable Wallcitations
- 2017Analysing Gas-Liquid Flow in PEM Electrolyser Micro-Channels Using a Micro-Porous Ceramic as Gas Permeable Wallcitations
- 2011Modelling multiphase flow inside the porous media of a polymer electrolyte membrane fuel cell
- 2010Thin film thermocouples for in situ membrane electrode assembly temperature measurements in a polybenzimidazole-based high temperature proton exchange membrane unit cellcitations
- 2010Thin film thermocouples for in situ membrane electrode assembly temperature measurements in a polybenzimidazole-based high temperature proton exchange membrane unit cellcitations
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article
Modelling multiphase flow inside the porous media of a polymer electrolyte membrane fuel cell
Abstract
Transport processes inside polymer electrolyte membrane fuel cells (PEMFC’s) are highly complex and involve convective and diffusive multiphase, multispecies flow through porous media along with heat and mass transfer and electrochemical reactions in conjunction with water transport through an electrolyte membrane. We will present a computational model of a PEMFC with focus on capillary transport of water through the porous layers and phase change and discuss the impact of the liquid phase boundary condition between the porous gas diffusion layer and the flow channels, where water droplets can emerge and be entrained into the gas stream.