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FastStorageBW II – next generation energy storage




Project funding

The project FastStorageBW II is funded by the Ministry of Finance and Economics Baden-Württemberg.


Project partner


Fraunhofer Institut für Produktionstechnik- und Automatisierung (IPA)

Fraunhofer Institut für Chemische Technologie (ICT)


Universität Stuttgart - Institut für Steuerungstechnik der Werkzeugmaschinen und Fertigungseinrichtungen (ISW)

Universität Stuttgart - Institut für Energieeffizienz in der Produktion (EEP)



Zentrum für Sonnenenergie und Wasserstoff-Forschung Baden-Württemberg (ZSW)


Institut für Strahlwerkzeuge (IFSW)










 Objective and results



Objective of the project is the development of high-performance hybrid energy storage systems, so called "Powercaps", merging the advantages of capacitors and Lithium-ion batteries: Powercaps combine the fast charging time of a capacitor (within seconds) and the high cycle life (> 100.000 cycles) with the storage capacity of a Lithium-ion battery.


Powercaps can be used in all areas where irregular peak loads have to be covered of fast charging times are required. For instance, this applies to recuperation brakes in vehicles for recovery of braking energy.


 Content and approach




Within the project, KIT develops prototypical energy storage modules for selected applications. For this purpose, a semi-automatic robotic welding system will be installed to connect single cells to battery packs and modules. Besides a cost-efficient module housing design, KIT also develops a cooling concept and a battery management system (BMS) for the prototypes.


Time frame


01-01-2015 to 31-07-2018

Project volume


25 mio €



Contact partner at KIT



Gregor Hiller

Phone: +49 721 608-28243

Mail: gregor.hiller∂kit.edu


 Further information

Press Release

Innovative Storage Systems with Increased Energy Efficiency

Innovative Battery Pack Assembly Solution – a Newly Developed Concept for Stationary Storage Systems

Video: Automated Production Line of Battery Modules