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Spark Award 2014
(video, 10.03.2014)
Patent: Strained Multilayer Resistive-switching Memory Elements
News
Memristive Information Storage and Logics group: "How
does Moisture affect the Physical Property of Memristance for
Anionic-Electronic Resistive Switching Memories?" and also the first publication of the Solar-to-Fuel Conversion Reactor Materials team: "Perovskite La0.6Sr0.4Cr1-xCoxO3-δ
Solid Solutions for Solar-Thermochemical Fuel Production: Strategies to Lower
the Operation Temperature".
Inaugural Lecture
Prof. Jennifer Rupp: Nano-Elektronik und -Ionik: Memristive Speicher und Energie Konversion (video, 08.02.2013)
Formerly: Dr. Markus Kubicek, Dr. Iñigo Gabayo,
Solid Oxide Fuel Cells are electrochemical devices that can directly convert chemical into electrical energy and also operate in reverse mode as electrolysers, e.g. to store chemical fuels. We focus in particular on micro-Solid Oxide Fuel Cells on chip which are miniaturized thin film-based cells where all active compounds, electrodes and electrolyte, form a free-standing membrane on a Si-chip separating the fuel from the air supply. Despite short history of this new device class first comercial cells are on the market to replace batteries for portable electronics or as grid-independent chargers. We target in particular to a fundamental understanding of the electro-chemomechanics in these cells, namely the interaction of ionic charge transport "electro", oxygen non-stoichiometry "chemical" and membrane strain "mechanics" interaction. Besides innovative routes to gain high surface reactive site electrodes and micro-fuel cell making and testing in hydro-carbon fuels is studied to suggest most efficient and direct operation on the latter fuels.
References:
Y. Shi, A.H. Bork, S. Schweiger, J.L.M. Rupp
Nature Materials, 14, 721 (2015)
S. Schweiger, M. Kubicek, F. Messerschmitt, C. Murer, J.L.M. Rupp
ACS Nano, 8, 5, 5032 (2014)
Highlights of our research can be found in the Paper gallery.
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