Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Alexander K. Opitz"'
Autor:
Alexander K. Opitz, Andreas Nenning, Vedran Vonk, Sergey Volkov, Florian Bertram, Harald Summerer, Sabine Schwarz, Andreas Steiger-Thirsfeld, Johannes Bernardi, Andreas Stierle, Jürgen Fleig
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-10 (2020)
Exsolution, nanoparticle precipitation from oxide materials during reduction, offers a promising approach to heterogeneous catalysis. Here, authors examine the switching behavior between high and low activity and correlate the electro-catalytic activ
Externí odkaz:
https://doaj.org/article/ebe1cfcad29e4829a42cd7e1220b0cff
Autor:
David Udomsilp, Jürgen Rechberger, Raphael Neubauer, Cornelia Bischof, Florian Thaler, Wolfgang Schafbauer, Norbert H. Menzler, Lambertus G.J. de Haart, Andreas Nenning, Alexander K. Opitz, Olivier Guillon, Martin Bram
Publikováno v:
Cell Reports Physical Science, Vol 1, Iss 6, Pp 100072- (2020)
Summary: Solid oxide fuel cells (SOFCs) exhibit potential to become a key technology for future clean energy systems. The metal-supported SOFC exhibits decisive strengths like fast start-up capability, mechanical robustness, and acceptable cost, maki
Externí odkaz:
https://doaj.org/article/3f41d555df844442a119e6816baedb65
Autor:
Alexander K. Opitz, Andreas Nenning, Vedran Vonk, Sergey Volkov, Florian Bertram, Harald Summerer, Sabine Schwarz, Andreas Steiger-Thirsfeld, Johannes Bernardi, Andreas Stierle, Jürgen Fleig
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-1 (2021)
Externí odkaz:
https://doaj.org/article/f0bb19cb39f74237b210eba650e41a54
Publikováno v:
Energies, Vol 13, Iss 4, p 987 (2020)
Detailed insight into electrochemical reaction mechanisms and rate limiting steps is crucial for targeted optimization of solid oxide fuel cell (SOFC) electrodes, especially for new materials and processing techniques, such as Ni/Gd-doped ceria (GDC)
Externí odkaz:
https://doaj.org/article/ee78993b38b8405bbee45082621dec19
Autor:
Dragos Neagu, J T S Irvine, Jiayue Wang, Bilge Yildiz, Alexander K Opitz, Jürgen Fleig, Yuhao Wang, Jiapeng Liu, Longyun Shen, Francesco Ciucci, Brian A Rosen, Yongchun Xiao, Kui Xie, Guangming Yang, Zongping Shao, Yubo Zhang, Jakob Reinke, Travis A Schmauss, Scott A Barnett, Roelf Maring, Vasileios Kyriakou, Usman Mushtaq, Mihalis N Tsampas, Youdong Kim, Ryan O’Hayre, Alfonso J Carrillo, Thomas Ruh, Lorenz Lindenthal, Florian Schrenk, Christoph Rameshan, Evangelos I Papaioannou, Kalliopi Kousi, Ian S Metcalfe, Xiaoxiang Xu, Gang Liu
Publikováno v:
JPhys Energy, Vol 5, Iss 3, p 031501 (2023)
Over the last decade, exsolution has emerged as a powerful new method for decorating oxide supports with uniformly dispersed nanoparticles for energy and catalytic applications. Due to their exceptional anchorage, resilience to various degradation me
Externí odkaz:
https://doaj.org/article/1f32f1b33e914b6c8710458182332e8e
Autor:
Vedran Vonk, Sergey Volkov, Thomas F. Keller, Alexander Hutterer, Pirmin Lakner, Florian Bertram, Jürgen Fleig, Alexander K. Opitz, Andreas Stierle
Publikováno v:
The Journal of Physical Chemistry Letters. 14:2065-2071
Publikováno v:
EES Catalysis. 1:274-289
Unravelling the mystery behind the surface state of exsolved iron nano catalysts for H2 oxidation/H2O splitting by combining electrochemistry and ambient pressure XPS.
Autor:
Christoph Riedl, Matthäus Siebenhofer, Andreas Nenning, George E. Wilson, John Kilner, Christoph Rameshan, Andreas Limbeck, Alexander K. Opitz, Markus Kubicek, Juergen Fleig
Publikováno v:
ACS Applied Materials & Interfaces.
Autor:
Alexander K Opitz, Andreas Nenning
Publikováno v:
High-Temperature Electrolysis ISBN: 9780750339513
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1274dafb4234b1d4fbb9a015455bb402
https://doi.org/10.1088/978-0-7503-3951-3ch6
https://doi.org/10.1088/978-0-7503-3951-3ch6
Autor:
Alexander K. Opitz, Jürgen Fleig, Christoph Riedl, Markus Kubicek, Matthäus Siebenhofer, Alexander Schmid, Andreas Limbeck
Publikováno v:
Journal of Materials Chemistry A. 10:2305-2319
The oxygen exchange reaction mechanism on truly pristine surfaces of SOFC cathode materials (La0.6Sr0.4CoO3-δ, La0.6Sr0.4FeO3-δ, (La0.6Sr0.4)0.98Pt0.02FeO3-δ, SrTi0.3Fe0.7O3-δ, Pr0.1Ce0.9O2-δ and La0.8Sr0.2MnO3±δ) was investigated employing in