Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Barbara Ellendorff"'
Autor:
Fabian Bienen, Melanie C. Paulisch, Thorben Mager, Jens Osiewacz, Manigah Nazari, Markus Osenberg, Barbara Ellendorff, Thomas Turek, Ulrich Nieken, Ingo Manke, K. Andreas Friedrich
Publikováno v:
Electrochemical Science Advances, Vol 3, Iss 1, Pp n/a-n/a (2023)
Abstract Porous gas‐diffusion electrodes (GDEs) are widely used in electrochemical applications where a gaseous reactant is converted to a target product. Important applications for silver‐based GDEs are the chlor‐alkali and the CO2 electrolysi
Externí odkaz:
https://doaj.org/article/4546af4ebcd8474e9288995e06311517
Autor:
Marco Löffelholz, Jonas Weidner, Jan Hartmann, Hesam Ostovari, Jens Osiewacz, Stefan Engbers, Barbara Ellendorff, João R.C. Junqueira, Katja Weichert, Niklas von der Assen, Wolfgang Schuhmann, Thomas Turek
Publikováno v:
Sustainable Chemistry for Climate Action, Vol 3, Iss , Pp 100035- (2023)
Defossilizing ethylene production to decrease CO2 emissions is an integral challenge in the context of climate change, as ethylene is one of the most important bulk chemicals. Electrochemical CO2 reduction is a promising alternative to conventional s
Externí odkaz:
https://doaj.org/article/ba91a3e49bf94b749b09d1f12c0c5594
Autor:
Melanie Paulisch, Marcus Gebhard, Barbara Ellendorff, Shashidhara Marathe, David Franzen, André Hilger, Ingo Manke, Thomas Turek, Christina Roth, Markus Osenberg, Christoph Rau
Publikováno v:
ACS Applied Energy Materials. 4:7497-7503
Understanding how gas diffusion electrodes are working is crucial to improve their performance and cost efficiency. One key issue is the electrolyte distribution during operation. Here, operando synchrotron imaging of the electrolyte distribution in
Autor:
Melanie Cornelia Paulisch, Marcus Gebhard, David Franzen, André Hilger, Markus Osenberg, Nikolay Kardjilov, Barbara Ellendorff, Thomas Turek, Christina Roth, Ingo Manke
Publikováno v:
Materials, Vol 12, Iss 17, p 2686 (2019)
Operando laboratory X-ray radiographies were carried out for imaging of two different silver-based gas diffusion electrodes containing an electroconductive Ni mesh structure, one gas diffusion electrode composed of 95 wt.% Ag and 5 wt.% polytetrafluo
Externí odkaz:
https://doaj.org/article/3a4ea8c21ddc41308a90d9c2528fed1d
Autor:
Marcus Gebhard, Melanie Paulisch, André Hilger, David Franzen, Barbara Ellendorff, Thomas Turek, Ingo Manke, Christina Roth
Publikováno v:
Materials, Vol 12, Iss 8, p 1275 (2019)
Oxygen-depolarized cathodes are a novel concept to be used in chlor-alkali electrolysis in order to generate significant energy savings. In these porous gas diffusion electrodes, hydrophilic and catalytically active microsized silver grains and a hyd
Externí odkaz:
https://doaj.org/article/4eae03d7d903465c98a776b25f42219b
Autor:
Fabian Bienen, Melanie C. Paulisch, Thorben Mager, Jens Osiewacz, Manigah Nazari, Markus Osenberg, Barbara Ellendorff, Thomas Turek, Ulrich Nieken, Ingo Manke, K. Andreas Friedrich
Porous gas diffusion electrodes GDEs are widely used in electrochemical applications where a gaseous reactant is converted to a target product. Important applications for silver based GDEs are the chlor alkali and the CO2 electrolysis processes in wh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7285ee1555fbe15654ea359dc191a840
http://www.helmholtz-berlin.de/pubbin/oai_publication?VT=1&ID=108926
http://www.helmholtz-berlin.de/pubbin/oai_publication?VT=1&ID=108926
Autor:
Thomas Turek, Ulrike Krewer, Maximilian Röhe, Barbara Ellendorff, David Franzen, Fabian Kubannek
Publikováno v:
Electrochimica Acta, 389, Art.-Nr.: 138693
Silver based oxygen depolarized cathodes (ODC) are a promising technology to reduce the specific electrical energy demand of chlor-alkali electrolysis by around 30 %. Here we present the first modeling approach of an ODC for evaluating the influence
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::149205dfaa4be60be5e0b6de2bed265a
https://publikationen.bibliothek.kit.edu/1000135987/149928270
https://publikationen.bibliothek.kit.edu/1000135987/149928270
Publikováno v:
Electrochimica Acta. 375:137976
An improved spatially resolved mathematical model for porous, silver-based gas-diffusion electrodes for the oxygen reduction reaction in strongly alkaline electrolyte is presented. For the first time, important parameters describing the distribution
Autor:
Thomas Turek, Christina Roth, Nikolay Kardjilov, Marcus Gebhard, Melanie Paulisch, Markus Osenberg, David Franzen, André Hilger, Barbara Ellendorff, Ingo Manke
Publikováno v:
Materials
Volume 12
Issue 17
Materials, Vol 12, Iss 17, p 2686 (2019)
Volume 12
Issue 17
Materials, Vol 12, Iss 17, p 2686 (2019)
Operando laboratory X-ray radiographies were carried out for imaging of two different silver-based gas diffusion electrodes containing an electroconductive Ni mesh structure, one gas diffusion electrode composed of 95 wt.% Ag and 5 wt.% polytetrafluo
Autor:
Thomas Turek, André Hilger, David Franzen, Ingo Manke, Markus Osenberg, Barbara Ellendorff, Melanie Paulisch
The influences of the polytetrafluoroethylene PTFE content in silver based gas diffusion electrodes on the resulting physical properties and the electrochemical performance during oxygen reduction in concentrated sodium hydroxide electrolyte were inv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5cd48c812afd081fca801ce49407f138
http://www.helmholtz-berlin.de/pubbin/oai_publication?VT=1&ID=100440
http://www.helmholtz-berlin.de/pubbin/oai_publication?VT=1&ID=100440