Press releases

Battery housings in electric vehicles must be impact-resistant, absorb crash energy, protect against short circuits, and be heat-resistant. Efficient heat dissipation is essential, but cells also need protection from excessive cooling. The housing must resist damage from stones and salt, fit the vehicle’s underbody, add rigidity, and, being lightweight, help increase range. Aluminum foam satisfies these requirements.

An innovative measurement method enables optimized battery management in electric vehicles, helping to make them safer and extend their lifespans. Impedance spectroscopy from the Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM analyzes detailed measurement data on the battery’s state in real time during operation. This means batteries can also be used for safety-critical applications.

Fraunhofer FEP has developed a new roll-to-roll production process for manufacturing metal-on-polymer current collectors. This technology enables the precise application of copper and aluminum layers onto polymer films to produce current collectors with electrical conductivity and thickness comparable to conventional metal foil-based current collectors. These results provide industry with a valuable basis for optimizing lithium-ion batteries.

To promote the sustainability of electromobility and enhance resource efficiency, upcycling of lithium-ion batteries is gaining increasing importance. Efforts are focused on slowing down material cycles by repurposing used batteries from electric vehicles for new applications instead of transferring them directly to recycling processes.

Today in Münster, a significant step was taken in the research and production of sustainable, resource-efficient battery cells with the inauguration of the first phase of the Fraunhofer Research Fabrication Battery Cell FFB, known as "FFB PreFab". Federal Research Minister Bettina Stark-Watzinger, North Rhine-Westphalia's Minister-President Hendrik Wüst, and Fraunhofer-Gesellschaft President Prof. Holger Hanselka opened the facility, which spans approximately 6,800 square meters of research space. With this launch, Fraunhofer FFB begins research activities at the site, utilizing cutting-edge European machinery technology.

Optimizing batteries, whether for e-mobility or for large storage systems, is one of the most important tasks for industry and science. At the Fraunhofer Institute for Industrial Mathematics ITWM, the simulation of battery models has been part of day-to-day business for years. The Rhineland-Palatinate Ministry of Science and Health is now supporting a new project with just under one million euros to model the entire manufacturing process.

A new environmental report from Fraunhofer FFB focuses on sodium-ion batteries as an alternative battery technology. The researchers examine the technological characteristics of the battery as well as the activities in research and industry related to this technology - from the production of materials and cells to the emergence of user markets. The environmental report was prepared as part of the overall "FoFeBat" project funded by the BMBF.

Lithium-ion batteries (LIB) are indispensable key components for electro mobility and the success of the energy transition. They offer high energy density and high cycle stability. Eight partners from industry and science are developing technologies and components in the funded project "revoLect" (funding reference: 03ETE041) in order to be able to produce resource-saving and more efficient LIBs. The project is pursuing two key innovations: the replacement of the usual metal foils with a metallized fabric structure and the use of silicon as anode material.

The development of resource-efficient manufacturing processes for next-generation battery anodes was the aim of the joint project „nextBatt“ funded by the German Federal Ministry of Education and Research (BMBF, funding reference: L1FHG42421). At the Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology FEP, new material combinations and efficient production technologies have been realized for this purpose. The Institute will present recent results at SVC TechCon 2022, May 3 – 5 2022, in Long Beach/USA, at booth No. 436.

The handover of the funding decision by Minister President Daniel Günther in Itzehoe is the official kick-off for the establishment of the Research Center for Applied Battery Technology Schleswig-Holstein (FAB-SH). The research center will be located in a former logistics building in close proximity to Fraunhofer ISIT. On 3400 m² of laboratory and office space, starting in 2023, about 30 employees will work on the further development of battery storage systems for maritime, stationary or medical applications, among other things. Another research focus will be on the development of new production technologies for battery storage systems. Architects and planners are currently being commissioned for the building conversion.