Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Steffen Czioska"'
Autor:
Alexander Rex, Leonardo Almeida De Campos, Torben Gottschalk, Dario Ferreira Sanchez, Patrick Trinke, Steffen Czioska, Erisa Saraçi, Boris Bensmann, Jan‐Dierk Grunwaldt, Richard Hanke‐Rauschenbach, Thomas L. Sheppard
Publikováno v:
Advanced Energy & Sustainability Research, Vol 5, Iss 9, Pp n/a-n/a (2024)
The stability of catalyst layers and membranes in proton exchange membrane water electrolysis (PEMWE) cells represents an ongoing challenge, compounded by the dissolution of components and migration of elements within the catalyst‐coated membrane (
Externí odkaz:
https://doaj.org/article/67aedcaaa64e4b65ba788b6d483e90e5
Autor:
Steffen Czioska, Konrad Ehelebe, Janis Geppert, Daniel Escalera‐López, Alexey Boubnov, Erisa Saraçi, Britta Mayerhöfer, Ulrike Krewer, Serhiy Cherevko, Jan‐Dierk Grunwaldt
Publikováno v:
ChemElectroChem. 9
Despite intensive investigations for unravelling the water splitting reaction, the catalyst behavior during the oxygen evolution reaction (OER) is still not fully understood. This is especially true under more demanding conditions like high potential
Autor:
Philipp Röse, Vitaly Alexandrov, Janis Geppert, Serhiy Cherevko, Alexandra Zagalskaya, Ulrike Krewer, Steffen Czioska, Erisa Saraçi, Daniel Escalera-López, Jan-Dierk Grunwaldt, Alexey Boubnov
Publikováno v:
ACS catalysis 11(15), 10043-10057 (2021). doi:10.1021/acscatal.1c02074
ACS catalysis, 11 (15), 10043–10057
ACS catalysis, 11 (15), 10043–10057
The structure of IrO$_{2}$ during the oxygen evolution reaction (OER) was studied by operando X-ray absorption spectroscopy (XAS) at the Ir L$_{3}$-edge to gain insight into the processes that occur during the electrocatalytic reaction at the anode d
Autor:
Janis Geppert, Philipp Röse, Steffen Czioska, Daniel Escalera-López, Alexey Boubnov, Erisa Saraçi, Serhiy Cherevko, Jan-Dierk Grunwaldt, Ulrike Krewer
Publikováno v:
Journal of the American Chemical Society, 144 (29), 13205–13217
Journal of the American Chemical Society 144(29), 13205-13217 (2022). doi:10.1021/jacs.2c03561
Journal of the American Chemical Society 144(29), 13205-13217 (2022). doi:10.1021/jacs.2c03561
The microkinetics of the electrocatalytic oxygen evolution reaction substantially determines the performance in proton-exchange membrane water electrolysis. State-of-the-art nanoparticulated rutile IrO$_{2}$ electrocatalysts present an excellent trad
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::40fc3d17030a6ec1ef1e28f04620b3be
Autor:
Daniel Escalera López, Steffen Czioska, Janis Geppert, Alexey Boubnov, Philipp Röse, Erisa Saraçi, Ulrike Krewer, Jan-Dierk Grunwaldt, Daniel Guay, Serhiy Cherevko
Publikováno v:
ECS Meeting Abstracts. :1373-1373
The role of proton exchange membrane water electrolysers (PEMWE) in providing clean and reliable green hydrogen is undeniable in a fully decarbonized energy system. Indeed, the ambitious “Hydrogen Shot” initiative by the U.S. DoE seeks to decreas
Publikováno v:
ACS Sustainable Chemistry & Engineering. 6:11877-11883
Hydrogen produced from water splitting offers a green alternative to conventional energy such as fossil fuels. Herein, CuCo2S4 nanowire arrays were synthesized on a nickel foam substrate by a two-step hydrothermal approach and utilized as highly effi
Publikováno v:
ACS Applied Energy Materials. 1:736-743
The development of non-noble metal-based electrocatalysts for the hydrogen evolution reaction (HER) has attracted increasing attention over recent years. As a promising HER catalyst candidate, the preparation of molybdenum carbide requires high tempe
Publikováno v:
ChemCatChem. 10:1005-1011
It is desirable to fabricate hierarchically structured NiFe-based materials to further boost the performance of these state-of-the-art electrocatalysts for the oxygen evolution reaction (OER). Most of the NiFeOx catalysts in the form of layered doubl
Publikováno v:
The Journal of Physical Chemistry C. 121:25875-25881
We report here the fabrication of CuO nanowires and their use as efficient electrocatalyst for the oxygen evolution reaction (OER) or as precursor for preparation of Cu3P nanowires for the hydrogen evolution reaction (HER). The surface-bound Cu(OH)2
Autor:
Zuofeng Chen, Steffen Czioska
Publikováno v:
RSC Advances. 6:6583-6588
Sensitivity is a key parameter for electrogenerated chemiluminescence (ECL) analysis. We describe here a simple way to enhance the ECL of Ru(bpy)32+ (bpy = 2,2′-bipyridine) by adding concentrated perchlorate salts. Observations are made for a varie