In situ in operando XRD characterization of lithium-ion batteries

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A comprehensive overview of the measurements and analyses available with Malvern Panalytical's multipurpose X-ray diffractometers and software solutions.

This webinar will focus on the development and application of a new X-ray diffraction (XRD) technique for in situ / in operando measurements of lithium ion batteries. Using hard X-radiation (e.g. Mo) the sample battery cells can be set up in transmission geometry. This type of X-ray source offers enough penetration depth to allow measurement of thin pouch or coffee bag type battery cells, which are commonly used in laboratories as prototype cells for mass production and are therefore of great interest to be studied without cell tampering. The method is shown in an example of an aging study on graphite // Li-NMC cells cycled at different cutoff voltages and temperatures.

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  • Guest Panelist: Stefan Seidlmayer studied Chemistry at the University of Regensburg. During his PhD in solid- state chemistry the research focus was synthesis, crystal structure determination and structure relationships in hexachalcogenohypodiphosphate compounds (2009). In 2010 he switched to a temporary position in quality control at Umicore AG in Rheinfelden as ICP-OES lab leader. Later he joined Mühlbauer Company in Roding as a process and product developer in the ‘Cards & Tecurity’ department. In 2012 he returned to university at the neutron research institute Heinz Maier-Leibnitz Zentrum (MLZ) in Garching for research in the field of lithium-ion batteries.
  • Co-panelist: Fabio Masiello studied Physics at the University of Turin (Italy), followed by a PhD in Physics and Material Science obtained from the Universities of Grenoble and Turin while working at the ESRF. Fabio then joined Malvern Panalytical in 2011 as application specialist XRD, in Almelo (the Netherlands). Since 2012 he is the product manager responsible for the Empyrean diffractometer.