Aluminum-graphite dual-ion battery system consisting of pouch cells, battery module, battery management system and quantum sensor
Image: Andreas Scheunert / Fraunhofer IISB
By ESS news
In a milestone for lithium-free battery technology, the joint R&D project INNOBATT, led by the Fraunhofer Institute for Integrated Systems and Device Technology (IISB), has completed a battery system demonstrator based on aluminum-graphite dual-ion batteries (AGDIB). The demonstrator confirms the stability of this new cell chemistry not only in laboratory conditions, but also under realistic operational scenarios.
The rechargeable aluminum-ion battery is a cost-effective, non-flammable energy storage technology that uses readily available active materials: aluminum and graphite. Using natural graphite as the cathode material, AGDIB cells can achieve energy densities of 160 Wh/kg and power densities of more than 9 kW/kg. As a high-power storage device, the aluminum-ion batteries can be rapidly charged and discharged at high C rates, enabling fast-response applications.
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