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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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document
The influence of ferric ion impurities on a proton exchange membrane electrolyzer operated at varying temperature and current density conditions
Abstract
A water purification system is typically used in PEM water electrolysis systems, but over time the quality of the circulating water may deteriorate due to metallic impurities originating from the piping system, catalyst layers and<br/>other components degradation. These impurities lead to a progressive increase of the cell voltage [1].<br/><br/>In this work, the influence of 5 ppm Fe3+ contamination on cell performance of PEM water electrolysis has been investigated, and the temperature and current density effects on cell performance in the presence of Fe3+ were also studied.