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Currently, he works as a senior consultant at Kearney. 10.07.2021 •Energy and Climate Correlation between Oxygen Vacancies and Oxygen Evolution Reaction Activity for a Model Electrode: PrBaCo2O5+δ The role of the oxygen stoichiometry of perovskite catalysts in the oxygen evolution reaction (OER) is systematically studied in the PrBaCo2O5+δ family. The reduced number of physical/chemical variables combined with in-depth characterizations such as neutron diffraction, O K-edge X-ray absorption spectroscopy(XAS), electron energy loss spectroscopy (EELS), magnetization and scanning transmission electron microscopy (STEM) studies, helps investigating the complex correlation between OER activity and a single perovskite property, such as the oxygen content. 14.01.2021 •Energy and Climate Efficient Water Electrolysis at Elevated Temperature using Commercial Cell Components Decarbonization of the energy system across different sectors using power-to-X concepts relies heavily on the availability of low-cost hydrogen produced from renewable power by water electrolysis. Polymer electrolyte water electrolysis (PEWE) is a promising technology for hydrogen (and oxygen) production for distributed as a well as centralized operation. The total cost of hydrogen is dominated by the electricity cost. Therefore, increase of conversion efficiency is pivotal in improving the commercial viability of electrolytically produced hydrogen. 31.05.2020 Zooming in on water splitting Perovskite oxynitride materials can act as effective photocatalysts for water splitting driven by visible light. A combined neutron and x-ray study now provides unique insight into the underlying processes at the solid–liquid interface and highlights how solar-to-hydrogen conversion can be improved. 30.05.2020 Zooming in on water splitting Perovskite oxynitride materials can act as effective photocatalysts for water splitting driven by visible light. A combined neutron and x-ray study now provides unique insight into the underlying processes at the solid–liquid interface and highlights how solar-to-hydrogen conversion can be improved. 02.06.2020 •Energy and Climate Membrane Lifetime Estimation in a Vanadium Redox Flow Battery using an Accelerated Stress Test A vanadium redox flow battery (VRFB) is a grid-scale energy storage device. Its energy conversion unit consists of a cell stack that comprises ion-exchange membranes to separate positive and negative electrode. The projected lifetime of a VRFB is 20 years and 7’000 charge-discharge cycles. Lifetime tests of membranes under application relevant conditions are therefore impractical, and the development of an accelerated stress test (AST) to assess the chemical stability of membranes is crucial. 2001_LAC_publications.pdf Chen_Shuzhen_PhD_Thesis FINAL Chen Shuzhen Thesis Exam Version Kober_Publications PBeaud_publist.pdf pl522_elektrochemie_dez23.pdf Members of the PSI Electrochemistry Laboratory as of December 2023 pl522_elektrochemie_juli23.pdf Members of the PSI Electrochemistry Laboratory as of July 2023 pl522_elektrochemie_mai22.pdf Members of the Electrochemistry Laboratory as of May 2022 pl522_elektrochemie_jan22.pdf Electrochemistry Laboratory People January 2022 First page « First Previous page ‹ Previous … 14 15 16 17 18 19 20 21 22 … Next page Next › Last page Last »
15.12.2021 "I could not imagine a better place to have done a PhD" Bernhard Pribyl-Kranewitter, former PhD student at the Energy and Environment Division, shares with us a glimpse of his time at the Paul Scherrer Institute and where his path has led him. Currently, he works as a senior consultant at Kearney.
10.07.2021 •Energy and Climate Correlation between Oxygen Vacancies and Oxygen Evolution Reaction Activity for a Model Electrode: PrBaCo2O5+δ The role of the oxygen stoichiometry of perovskite catalysts in the oxygen evolution reaction (OER) is systematically studied in the PrBaCo2O5+δ family. The reduced number of physical/chemical variables combined with in-depth characterizations such as neutron diffraction, O K-edge X-ray absorption spectroscopy(XAS), electron energy loss spectroscopy (EELS), magnetization and scanning transmission electron microscopy (STEM) studies, helps investigating the complex correlation between OER activity and a single perovskite property, such as the oxygen content.
14.01.2021 •Energy and Climate Efficient Water Electrolysis at Elevated Temperature using Commercial Cell Components Decarbonization of the energy system across different sectors using power-to-X concepts relies heavily on the availability of low-cost hydrogen produced from renewable power by water electrolysis. Polymer electrolyte water electrolysis (PEWE) is a promising technology for hydrogen (and oxygen) production for distributed as a well as centralized operation. The total cost of hydrogen is dominated by the electricity cost. Therefore, increase of conversion efficiency is pivotal in improving the commercial viability of electrolytically produced hydrogen.
31.05.2020 Zooming in on water splitting Perovskite oxynitride materials can act as effective photocatalysts for water splitting driven by visible light. A combined neutron and x-ray study now provides unique insight into the underlying processes at the solid–liquid interface and highlights how solar-to-hydrogen conversion can be improved.
30.05.2020 Zooming in on water splitting Perovskite oxynitride materials can act as effective photocatalysts for water splitting driven by visible light. A combined neutron and x-ray study now provides unique insight into the underlying processes at the solid–liquid interface and highlights how solar-to-hydrogen conversion can be improved.
02.06.2020 •Energy and Climate Membrane Lifetime Estimation in a Vanadium Redox Flow Battery using an Accelerated Stress Test A vanadium redox flow battery (VRFB) is a grid-scale energy storage device. Its energy conversion unit consists of a cell stack that comprises ion-exchange membranes to separate positive and negative electrode. The projected lifetime of a VRFB is 20 years and 7’000 charge-discharge cycles. Lifetime tests of membranes under application relevant conditions are therefore impractical, and the development of an accelerated stress test (AST) to assess the chemical stability of membranes is crucial.