Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Michaela Roschger"'
Autor:
Michaela Roschger, Sigrid Wolf, Andreas Billiani, Selestina Gorgieva, Boštjan Genorio, Viktor Hacker
Publikováno v:
Journal of Electrochemical Science and Engineering (2023)
The direct electrochemical conversion of ethanol, a sustainable fuel, is an alternative sustainable technology of the future. In this study, membrane electrode assemblies with different electrode configurations for an alkaline direct ethanol fuel cel
Externí odkaz:
https://doaj.org/article/5e0606724eee463aba537ad616858725
Autor:
Mario Kircher, Michaela Roschger, Wai Yee Koo, Fabio Blaschke, Maximilian Grandi, Merit Bodner, Viktor Hacker
Publikováno v:
Energies, Vol 16, Iss 19, p 7011 (2023)
The shelf-life of catalyst ink for fabricating polymer electrolyte fuel cells (PEFCs) is relevant for large-scale manufacturing with unforeseen production stops. In this study, the storage effects on the physicochemical characteristics of catalyst in
Externí odkaz:
https://doaj.org/article/6ac951cc5a2a4fa2bdec8028b8b15568
Autor:
Sigrid Wolf, Michaela Roschger, Boštjan Genorio, Nejc Hodnik, Matija Gatalo, Francisco Ruiz-Zepeda, Viktor Hacker
Publikováno v:
Journal of Electrochemical Science and Engineering (2023)
The sluggish kinetics of the ethanol oxidation reaction (EOR) and the related development of low-cost, highly active and stable anode catalysts still remains the major challenge in alkaline direct ethanol fuel cells (ADEFCs). In this respect, we synt
Externí odkaz:
https://doaj.org/article/2db28d0b08ea4b52a69901608e49e0fe
Publikováno v:
International Journal of Renewable Energy Development, Vol 10, Iss 3, Pp 435-443 (2021)
Crosslinked anion exchange membranes (AEMs) made from poly(vinyl alcohol) (PVA) as a backbone polymer and different approaches to functional group introduction were prepared by means of solution casting with thermal and chemical crosslinking. Membran
Externí odkaz:
https://doaj.org/article/253dcce19ab845228519f4bb06289bad
Autor:
Maša Hren, Damjan Makuc, Janez Plavec, Michaela Roschger, Viktor Hacker, Boštjan Genorio, Mojca Božič, Selestina Gorgieva
Publikováno v:
Polymers, Vol 15, Iss 5, p 1146 (2023)
In this work, fully polysaccharide based membranes were presented as self-standing, solid polyelectrolytes for application in anion exchange membrane fuel cells (AEMFCs). For this purpose, cellulose nanofibrils (CNFs) were modified successfully with
Externí odkaz:
https://doaj.org/article/a2eed5d20a994618a354b6d3842b2bed
Publikováno v:
Nanomaterials, Vol 12, Iss 22, p 3965 (2022)
In recent years, there has been considerable interest in anion exchange membrane fuel cells (AEMFCs) as part of fuel cell technology. Anion exchange membranes (AEMs) provide a significant contribution to the development of fuel cells, particularly in
Externí odkaz:
https://doaj.org/article/e5b98b68677d4a57b9e8a9af26ccfb63
Publikováno v:
Energies, Vol 15, Iss 19, p 7234 (2022)
Alkaline direct ethanol fuel cells (DEFCs) represent an efficient energy conversion device for sustainable ethanol fuel. In this study, a design with new structural parameters for the anodic flow field of the alkaline DEFC was modeled with the aid of
Externí odkaz:
https://doaj.org/article/dffc8d129a34494fa716b7a98db6c46d
Autor:
Sigrid Wolf, Michaela Roschger, Boštjan Genorio, Mitja Kolar, Daniel Garstenauer, Brigitte Bitschnau, Viktor Hacker
Publikováno v:
Catalysts, Vol 12, Iss 7, p 780 (2022)
In this study, Ag-MnxOy/C composite catalysts deposited on reduced graphene oxide (rGO) and, for the first time on N-doped graphene oxide (NGO), were prepared via a facile synthesis method. The influence of the carbon support material on the activity
Externí odkaz:
https://doaj.org/article/467313a1d2284fc0824388bba6a679f1
Publikováno v:
ACS Omega. 8:11536-11543
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75576742b4a942388c790e7b2885a506
https://doi.org/10.1021/acsomega.3c00615
https://doi.org/10.1021/acsomega.3c00615
Autor:
Michaela Roschger, Sigrid Wolf, Kurt Mayer, Andreas Billiani, Boštjan Genorio, Selestina Gorgieva, Viktor Hacker
Publikováno v:
Sustainable Energy & Fuels. 7:1093-1106
The optimum layer thickness of Ag-MnxOy/C and PdNiBi/C electrodes for use in alkaline direct ethanol fuel cells at a high power density of 120 mW cm−2 and its influence on resistance were determined.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::364def383d54bd832fe0ac147c7a7220
https://doi.org/10.1039/d2se01729f
https://doi.org/10.1039/d2se01729f