Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Marcus Gebhard"'
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:
Jonathan Schneider, Eduard Bulczak, Gumaa A. El-Nagar, Marcus Gebhard, Paul Kubella, Maike Schnucklake, Abdulmonem Fetyan, Igor Derr, Christina Roth
Publikováno v:
Batteries, Vol 5, Iss 1, p 16 (2019)
The performance of all-V redox flow batteries (VRFB) will decrease when they are exposed to dynamic electrochemical cycling, but also when they are in prolonged contact with the acidic electrolyte. These phenomena are especially severe at the negativ
Externí odkaz:
https://doaj.org/article/a288fb8b99b0416a9c63905b0c949b88
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
Publikováno v:
Physical Chemistry Chemical Physics. 21:9061-9068
In order to quantitatively investigate the kinetic performance and the pore size distribution of carbon felt electrodes for the application in vanadium redox flow batteries, the theory of cyclic voltammetry (CV) is derived for a random network of cyl
Autor:
Christina Roth, Ming Cheng, Marcus Gebhard, Jonathan Schneider, Tim Tichter, Andre Hilger, Ingo Manke
Publikováno v:
ECS Meeting Abstracts. :2010-2010
Carbon felts are commonly utilized electrodes in vanadium flow batteries due to their low cost, light weight, good electronic conductivity, and chemical inertness. In contrast, their activity in catalyzing the vanadium redox reactions is less remarka
Autor:
Konstantin Schutjajew, Tim Tichter, Thomas Turek, David Franzen, Melanie Paulisch, Ingo Manke, Christina Roth, Marcus Gebhard
Oxygen depolarized cathodes ODC were developed for chloralkali electrolysis to replace the hydrogen evolution reaction HER by the oxygen reduction reaction ORR providing electrical energy savings up to 30 under industrially relevant conditions. These
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::201cf199b9c4c3ad63194e96cfb03d6d
Publikováno v:
Chemphyschem
An algorithm for the simulation and evaluation of cyclic voltammetry (CV) at macroporous electrodes such as felts, foams, and layered structures is presented. By considering 1D, 2D, and 3D arrays of electrode sheets, cylindrical microelectrodes, holl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b9aaeb63afd3091e50240f565a64144
https://doi.org/10.1002/cphc.201901113
https://doi.org/10.1002/cphc.201901113
Autor:
Ulrike Krewer, André Hilger, Maximilian Röhe, Ingo Manke, Maike Schnucklake, Markus Osenberg, Marcus Gebhard, Christina Roth
Publikováno v:
Energy Technology, 8 (3), 1901214
Porous carbon felts (CFs) are widely used electrode materials for vanadium redox flow batteries (VRFBs). These materials differ in their precursor material, thickness, or graphitization degree and demonstrate broad differences in electrochemical perf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::125e59a95db038fc9fc7b821700e3bc6
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