In all-solid-state batteries the liquid electrolyte is replaced by a solid non-combustible ion conductor. This prevents thermal runaway and significantly increases the safety of battery cells. It also facilitates the use of lithium metal anodes, which makes higher energy densities and thus significantly higher ranges for electric vehicles possible.
Since October 2019, Fraunhofer ISE has been working together with the project partners ContiTech Elastomer-Beschichtungen GmbH, Glatt Ingenieurtechnik GmbH and Freudenberg Technology Innovation SE & Co KG on the development of a novel battery cell architecture for the realization of solid-state batteries. The FLiBATT project, with a volume of 2.68 million euros, is funded by the German Federal Ministry for Economic Affairs and Energy.
The project aim is the development of an innovative process for a new cell structure that shall enable a cost-effective manufacturing process for the production of solid state batteries. Fraunhofer ISE is developing the starting materials for the electrode coating processes and the separator layer. These will be accessible to the partners so that they may optimize the coating processes. Furthermore, Fraunhofer ISE is building and characterizing the battery cells.