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Coordination Activities

US-German Cooperation on Energy Storage

Interfaces and Interphases in Rechargeable Lithium-Metal-Based Batteries

The interfaces between electrode and electrolyte crucially determine the performance of battery cells. Thus, the development of electrolyte formulations and functional surface coatings are considered promising opportunities to tailor the achievable performance of energy storage devices.

Leading battery researchers from the United States and from Germany agree, that the understanding of electrochemical interfaces and interphases needs to be improved. It should include a comprehensive understanding of materials, modeling and characterization techniques that allow for operando analysis of the occurring processes, too.

In Cooperation with the Helmholtz Institute Münster three joint DE US working groups were established, which defined common goals for the specific research topics. The researchers concentrate on three thrusts in particular:

1. Lithium metal/liquid electrolyte interface,
2. Lithium metal/solid electrolyte interface and
3. Oxide cathode/solid electrolyte interface.

The joint activities are guided and advised by a coordination team. It fosters exchange of materials, concepts, ideas and, most importantly, the knowledge transfer between the experts of the various research fields. This paves ways towards providing knowledge-driven solutions for lithium metal anodes affording the level of control needed for industrial applications.

The coordinative efforts of HI MS for disseminations of seminal results and for meeting grand scientific challenges comprise regular project discussions, student instruction and writing of relevant topical review articles as well as peer-reviewed publications.

Energy Storage Concepts for Transport Sector