In situ Methods

In situ synchrotron diffraction studies on rechargeable batteries enable a quantified determination of structural changes during electrochemical charging and discharging. In particular, lattice parameter evolution, microstructure formation, single or multi-phase-mechanisms and even atomic positions can be investigated in detail and allow to gain a deep insight to the processes occuring during electrochemical cycling. Therefore in situ X-ray diffraction studies are performed at beamline P02.1 at PETRA III (DESY/Hamburg) and at beamline MSPD (ALBA/Barcelona).

During the past years our experimental setup was optimized to measure multiple samples simultaneously with a patented sample holder (Figure 1). In addition customized data evaluation programs and scripts enable automatic structural refinements of the diffraction pattern as well as data extraction and summation.


Figure 1: Measurement setup (left) and waterfall plot of diffraction pattern during electrochemical cycling (right).


Contact person:

Dr. Lars Giebeler



M. Herklotz, J. Weiss, E. Ahrens, M. Yavuz, L. Mereacre, N. Kiziltas-Yavuz, C. Draeger, H. Ehrenberg, J. Eckert, F. Fauth, L. Giebeler, M. Knapp: A novel high-throughput setup for in situ powder diffraction on coin cell batteries, Journal of Applied Crystallography 49 (2016) Nr. 1, S. 340-345. URL

M. Herklotz, F. Scheiba, M. Hinterstein, K. Nikolowski, M. Knapp, A.-C. Dippel, L. Giebeler, J. Eckert, H. Ehrenberg: Advances in in situ powder diffraction of battery materials: A case study of the new beamline P02.1 at DESY, Hamburg, Journal of Applied Crystallography 46 (2013), S. 1117-1127. URL


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