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PSI Center for Energy and Environmental Sciences Research at PSI comprises all aspects of human energy use, with the ultimate goal of promoting development towards a sustainable energy supply system. Technologies are being advanced for the utilization of renewable energy sources, low-loss energy storage, efficient conversion, and low emission energy use. 21.03.2024 •9 min Wie sauber ist Wasserstoff für die Energiewende? Wasserstoff kann für den Übergang zu einem Netto-Null-Energiesystem von entscheidender Bedeutung sein – allerdings muss er dafür richtig produziert werden. Our Goals On a global scale, sustainability requires the closing of all materials cycles. A living earth in which circular flows of matter are sustained, requires a contiuous influx of energies driving these cycles. As the sun is the only inexhaustible source of energy on a human time scale, sustainable energy development must aim at utilizing renewable energies (which mostly are derived from solar energy), while at the same time minimizing the production of waste and the use of non-renewable resources. Organisation 11.03.2022 •Energy and Climate Enabling the use of Thin Membranes in Water Electrolyzers using a Recombination Catalyst The conversion efficiency for green hydrogen production in a polymer electrolyte water electrolyzer (PEWE) is strongly influenced by the ohmic cell resistance and therefore the thickness of the membrane used. The use of thin membranes (~50 micron or below) is limited by gas crossover of H2 and O2, which can lead to the formation of explosive gas mixtures. The incorporation of a recombination catalyst provides remedy and allows a more dynamic operating mode. Prof. Dr. Luc Patthey Téléphone +41 56 310 45 62 Courriel luc.patthey@psi.ch Publications Thin Films and Interfaces materials-research-at-psi 01.01.2018 Welcome Anthony Boucly Join me in welcoming Anthony, our new postdoc, jointly affiliated with Markus Ammann’s Surface Chemistry group (Surface Chemistry) and within the Electrochemistry Laboratory (Laboratory of Electrochemistry), the group for Electrocatalysis and Interface headed by Prof. Thomas Schmidt under the supervision of Emiliana Fabbri. 28.03.2024 •Energy and Climate Polybenzimidazole Membrane Design Principles for Vanadium Redox Flow Batteries Energy storage technologies with long storage duration are essential to stabilize electricity grids with a high share of intermittent renewable power. In a redox flow battery, the electrochemical conversion unit, where the charging and discharging reaction takes place, is spatially separated from the energy storage medium. In the all-vanadium redox flow battery (VRFB), a sulfuric acid aqueous electrolyte with dissolved vanadium ions is used as the storage medium. Energy and Climate Der Klimawandel gehört zu den grossen Herausforderungen unserer Zeit. Bis 2050 will die Schweiz klimaneutral sein – also nicht mehr Treibhausgase ausstossen, als auf natürlichem oder technischem Weg gespeichert werden können. Das fordert uns auf, unsere Energieerzeugung und -nutzung neu zu denken – weg von fossilen hin zu klimaneutralen Energieträgern. Wie wird die Schweiz fit für eine klimaneutrale Energiezukunft? Am PSI suchen die Forschenden nach Antworten. 22.05.2015 •Large research facilities •6 min First undulators reach the SwissFEL building The first undulator frames have arrived at the SwissFEL building. They will take around six months to assemble, after which the finished undulators will be taken to the SwissFEL accelerator tunnel for installation. Laboratory for Multiscale Materials Experiments (LMX) Scientific Publications A dynamic double layer as the origin of the mass-dependent ion acceleration in laser-induced plasmas Ojeda-G-P A, Yao X, Bulgakova Nadezhda M, Bulgakov Alexander V, Lippert T Applied Physics A 125, 71 (2019). DOI: 10.1007/s00339-018-2345-3 Bulk single-crystal growth of the theoretically predicted magnetic Weyl semimetals RAlGe ( R = Pr, Ce) Puphal P, Mielke C, Kumar N, Soh Y, Shang T, Medarde M, White Jonathan S, Pomjakushina E Physical Review Materials 3, 024204 (2019). Première page « première Page précédente ‹ précédente … 3 4 5 6 7 8 9 10 11 … Page suivante suivante › Dernière page dernière »
About the EMF The electron microscopy facility (EMF) at PSI is presently sustained by three divisions: the divisions for Biology and Chemistry (BIO; chair of EMF), for Nuclear Energy and Safety Research (NES) and for Energy and Environment (ENE).
PSI Center for Energy and Environmental Sciences Research at PSI comprises all aspects of human energy use, with the ultimate goal of promoting development towards a sustainable energy supply system. Technologies are being advanced for the utilization of renewable energy sources, low-loss energy storage, efficient conversion, and low emission energy use.
21.03.2024 •9 min Wie sauber ist Wasserstoff für die Energiewende? Wasserstoff kann für den Übergang zu einem Netto-Null-Energiesystem von entscheidender Bedeutung sein – allerdings muss er dafür richtig produziert werden.
Our Goals On a global scale, sustainability requires the closing of all materials cycles. A living earth in which circular flows of matter are sustained, requires a contiuous influx of energies driving these cycles. As the sun is the only inexhaustible source of energy on a human time scale, sustainable energy development must aim at utilizing renewable energies (which mostly are derived from solar energy), while at the same time minimizing the production of waste and the use of non-renewable resources.
11.03.2022 •Energy and Climate Enabling the use of Thin Membranes in Water Electrolyzers using a Recombination Catalyst The conversion efficiency for green hydrogen production in a polymer electrolyte water electrolyzer (PEWE) is strongly influenced by the ohmic cell resistance and therefore the thickness of the membrane used. The use of thin membranes (~50 micron or below) is limited by gas crossover of H2 and O2, which can lead to the formation of explosive gas mixtures. The incorporation of a recombination catalyst provides remedy and allows a more dynamic operating mode.
01.01.2018 Welcome Anthony Boucly Join me in welcoming Anthony, our new postdoc, jointly affiliated with Markus Ammann’s Surface Chemistry group (Surface Chemistry) and within the Electrochemistry Laboratory (Laboratory of Electrochemistry), the group for Electrocatalysis and Interface headed by Prof. Thomas Schmidt under the supervision of Emiliana Fabbri.
28.03.2024 •Energy and Climate Polybenzimidazole Membrane Design Principles for Vanadium Redox Flow Batteries Energy storage technologies with long storage duration are essential to stabilize electricity grids with a high share of intermittent renewable power. In a redox flow battery, the electrochemical conversion unit, where the charging and discharging reaction takes place, is spatially separated from the energy storage medium. In the all-vanadium redox flow battery (VRFB), a sulfuric acid aqueous electrolyte with dissolved vanadium ions is used as the storage medium.
Energy and Climate Der Klimawandel gehört zu den grossen Herausforderungen unserer Zeit. Bis 2050 will die Schweiz klimaneutral sein – also nicht mehr Treibhausgase ausstossen, als auf natürlichem oder technischem Weg gespeichert werden können. Das fordert uns auf, unsere Energieerzeugung und -nutzung neu zu denken – weg von fossilen hin zu klimaneutralen Energieträgern. Wie wird die Schweiz fit für eine klimaneutrale Energiezukunft? Am PSI suchen die Forschenden nach Antworten.
22.05.2015 •Large research facilities •6 min First undulators reach the SwissFEL building The first undulator frames have arrived at the SwissFEL building. They will take around six months to assemble, after which the finished undulators will be taken to the SwissFEL accelerator tunnel for installation.
Laboratory for Multiscale Materials Experiments (LMX) Scientific Publications A dynamic double layer as the origin of the mass-dependent ion acceleration in laser-induced plasmas Ojeda-G-P A, Yao X, Bulgakova Nadezhda M, Bulgakov Alexander V, Lippert T Applied Physics A 125, 71 (2019). DOI: 10.1007/s00339-018-2345-3 Bulk single-crystal growth of the theoretically predicted magnetic Weyl semimetals RAlGe ( R = Pr, Ce) Puphal P, Mielke C, Kumar N, Soh Y, Shang T, Medarde M, White Jonathan S, Pomjakushina E Physical Review Materials 3, 024204 (2019).