Fraunhofer to investigate anode materials for solid-state batteries

In the project titled 'FB2-SiSuFest – Evaluation of silicon anodes in sulfide solid-state batteries,' the Fraunhofer Institute for Material and Beam Technology IWS is analysing the potential of anode materials for solid-state batteries.

Image: IWS

The ongoing development of solid-state batteries faces the challenge of successfully transferring high-energy lithium metal anodes into industrial applications. The ‘FB2-SiSuFest’ project, funded by the German government with 1.7 million euros, is investigating anode materials based on silicon nitride (SiNx) as a promising alternative to conventional solutions until the end of 2025.

The research activities focus on producing and evaluating silicon nitride-based particles as anode materials in sulphide solid-state batteries. The project aims to significantly improve cycle stability compared to commercial anode materials. The project partners want to overcome silicon’s electrochemical and morphological challenges by using amorphous nanoparticles based on silicon nitride.

The basis of the project is formed by the experience and networking of the partner institutions, including the Institute for Inorganic and Analytical Chemistry at the University of Münster, the Fraunhofer Institute for Material and Beam Technology IWS in Dresden, the Institute for Energy and Material Processes at the University of Duisburg-Essen and the Institute of Physical Chemistry at Justus Liebig University Giessen.


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