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Application note

High-quality in operando X-ray diffraction analysis of pouch bag lithium-ion batteries

Pouch cell batteries can be used in combination with hard X-rays in transmission geometry to perform in situ and in operando studies during charge/discharge cycles and for aging studies. It is then possible to correlate variations in the crystallographic structure of the elements in the cell directly with the amount of Li incorporated in the electrodes. Moreover, the efficiency of the GaliPIX3D detector can considerably improve data quality compared to standard Sibased detectors.

Lithium-ion batteries have become increasingly important in key technologies of our day-to-day lives. Especially the long-term performance of batteries is crucial for their applications in new markets such as energy storage in electric vehicles or even large-scale electric storage devices combined with photovoltaic energy sources.

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