Institute of Physics
Topic
Opernando X-ray Scattering and Electrochemical Impedance Spectroscopy for Advanced Lithium-Sulfur Solid-State Batteries
PhD. program
Quantum Electronics, Optics and Optical Spectroscopy
Year of admission
2025
Name of the supervisor
Dr. rer. nat. Peter Šiffalovič, DrSc.
Contact:
Receiving school
Faculty of Mathematics, Physics and Informatics
Annotation
The next generation of solid-state batteries (SSBs) based on sulfur cathodes has the potential to play a pivotal role in shaping the future of electromobility, thanks to their enhanced safety and the prospect of higher energy density. However, to achieve this potential, it is imperative to develop a more profound understanding of the redox reactions involved in Li-S SSBs, as this knowledge is crucial for enhancing their cyclability. In this project, we aim to develop a tandem of operando methods—wide-angle X-ray scattering (WAXS) and GEIS (galvanostatic electrochemical impedance spectroscopy)—that will be applied during Li-S battery cycling in real time in laboratory conditions. We will employ the latest generation of high-brilliance laboratory microfocus X-ray sources (Ag Ka) and CdTe 2D X-ray detectors. The experiments will be conducted in collaboration with a HORIZON EU project, ANGeLiC, which will ensure participation in an international, highly motivated research team. For detailed information, please mail to - peter.siffalovic@savba.sk.