Zobrazeno 1 - 10
of 105
pro vyhledávání: '"Alan Savan"'
Publikováno v:
ChemElectroChem, Vol 11, Iss 4, Pp n/a-n/a (2024)
Abstract Anodic oxygen evolution reaction (OER) challenges large scale application of proton exchange membrane water electrolyzers (PEMWE) due to sluggish kinetics, high overpotential and extremely corrosive environment. While Ir oxides currently pro
Externí odkaz:
https://doaj.org/article/03cb52eda6d94452845c14bea68c243a
Autor:
Attila Kormányos, Qi Dong, Bin Xiao, Tangyuan Li, Alan Savan, Ken Jenewein, Tatiana Priamushko, Andreas Körner, Thomas Böhm, Andreas Hutzler, Liangbing Hu, Alfred Ludwig, Serhiy Cherevko
Publikováno v:
iScience, Vol 26, Iss 10, Pp 107775- (2023)
Summary: High-entropy alloys are claimed to possess superior stability due to thermodynamic contributions. However, this statement mostly lies on a hypothetical basis. In this study, we use on-line inductively coupled plasma mass spectrometer to inve
Externí odkaz:
https://doaj.org/article/b5b77f2c7d6d412ca5ced1f99a72d2ec
Autor:
Emmanuel Batsa Tetteh, Lars Banko, Olga A. Krysiak, Tobias Löffler, Bin Xiao, Swapnil Varhade, Simon Schumacher, Alan Savan, Corina Andronescu, Alfred Ludwig, Wolfgang Schuhmann
Publikováno v:
Electrochemical Science Advances, Vol 2, Iss 3, Pp n/a-n/a (2022)
Abstract Complex solid solutions (“high entropy alloys” with a single solid‐solution phase) hold great promise in electrocatalysis because of their nearly unlimited number of different active sites exposed at the surface. It has been shown by t
Externí odkaz:
https://doaj.org/article/6e0f53e7476d499ba73f6e5416fb2b14
Autor:
Alan Savan, Timo Allermann, Xiao Wang, Dario Grochla, Lars Banko, Yordan Kalchev, Aleksander Kostka, Janine Pfetzing-Micklich, Alfred Ludwig
Publikováno v:
Materials, Vol 13, Iss 9, p 2113 (2020)
Multiple principal element alloys, also often referred to as compositionally complex alloys or high entropy alloys, present extreme challenges to characterize. They show a vast, multidimensional composition space that merits detailed investigation an
Externí odkaz:
https://doaj.org/article/8236dffa923444fe960c831013ca0185
Publikováno v:
Science and Technology of Advanced Materials, Vol 15, Iss 1, p 015006 (2014)
A ternary thin film combinatorial materials library of the valve metal system Hf–Ta–Ti obtained by co-sputtering was studied. The microstructural and crystallographic analysis of the obtained compositions revealed a crystalline and textured surfa
Externí odkaz:
https://doaj.org/article/b28a848720524d19a0ba6d08a66d728a
Publikováno v:
Nano Research. 15:4827-4836
Multiple-principal element alloys hold great promise for multifunctional material discovery (e.g., for novel electrocatalysts based on complex solid solutions) in a virtually unlimited compositional space. Here, the phase constitution of the noble me
Autor:
Moonjoo Kim, Emmanuel Batsa Tetteh, Alan Savan, Bin Xiao, Alfred Ludwig, Wolfgang Schuhmann, Taek Dong Chung
Publikováno v:
The Journal of Chemical Physics. 158:134707
Room temperature ionic liquids (RT-ILs) are promising electrolytes for electrocatalysis. Understanding the effects of the electrode–electrolyte interface structure on electrocatalysis in RT-ILs is important. Ultrafast mass transport of redox specie
Autor:
Jack K. Pedersen, Bin Xiao, Jan Rossmeisl, Yujiao Li, Valerie Strotkötter, Thomas A. A. Batchelor, Tobias Löffler, Wolfgang Schuhmann, Alan Savan, Christian M. Clausen, Alfred Ludwig, Olga A. Krysiak
Publikováno v:
Angewandte Chemie (International Ed. in English)
Angewandte Chemie International Edition
Batchelor, T A A, Löffler, T, Xiao, B, Krysiak, O A, Strotkötter, V, Pedersen, J K, Clausen, C M, Savan, A, Li, Y, Schuhmann, W, Rossmeisl, J & Ludwig, A 2021, ' Complex-Solid-Solution Electrocatalyst Discovery by Computational Prediction and High-Throughput Experimentation** ', Angewandte Chemie International Edition, vol. 60, no. 13, pp. 6932-6937 . https://doi.org/10.1002/anie.v60.13
Angewandte Chemie International Edition
Batchelor, T A A, Löffler, T, Xiao, B, Krysiak, O A, Strotkötter, V, Pedersen, J K, Clausen, C M, Savan, A, Li, Y, Schuhmann, W, Rossmeisl, J & Ludwig, A 2021, ' Complex-Solid-Solution Electrocatalyst Discovery by Computational Prediction and High-Throughput Experimentation** ', Angewandte Chemie International Edition, vol. 60, no. 13, pp. 6932-6937 . https://doi.org/10.1002/anie.v60.13
Complex solid solutions (“high entropy alloys”), comprising five or more principal elements, promise a paradigm change in electrocatalysis due to the availability of millions of different active sites with unique arrangements of multiple elements
Autor:
Christina Scheu, Y. Addab, Dominique Chatain, Alan Savan, Alfred Ludwig, Maya K. Kini, Gerhard Dehm, Nathalie Bozzolo, Blandine Courtois
Publikováno v:
Acta Materialia
Acta Materialia, 2020, 200, pp.908-921. ⟨10.1016/j.actamat.2020.09.064⟩
Acta Materialia, Elsevier, 2020, 200, pp.908-921. ⟨10.1016/j.actamat.2020.09.064⟩
Acta Materialia, 2020, 200, pp.908-921. ⟨10.1016/j.actamat.2020.09.064⟩
Acta Materialia, Elsevier, 2020, 200, pp.908-921. ⟨10.1016/j.actamat.2020.09.064⟩
Homogeneous face-centered cubic (fcc) polycrystalline CoCrFeNi films were deposited at room temperature on (0001)alpha-Al2O3 (c-sapphire). Phase and morphological stability of 200 to 670 nm thick films were investigated between 973 K and 1423 K. The
Publikováno v:
Scripta Materialia. 188:259-263
Phase stability of a nanocrystalline CrCoNi alloy is investigated using the combinatorial processing platform approach, which enables synthesis, processing and direct atomic-scale characterizations of alloys by atom probe tomography and transmission