FluxLicon: PEM develops memory from old E-car batteries

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FluxLicon: PEM develops memory from old E-car batteries-e-car

At the Chair “Production Engineering of E-Mobility Components” (PEM) of RWTH Aachen, the research project “Intelligent and Flexible System for Use of any 2nd-Life batteries in the municipal charging infrastructure” has gone to the start. By the end of August 2024, the project FluxLicon develops central findings for a future circular economy in mobility. For this purpose, the researchers develop and pilot a modular and flexible energy storage from batteries that are no longer suitable with around 80 percent residual capacity for further use in electric vehicles. The architecture of the storage system should offer a network interface for the integration of renewable energy and fast charging for faster and more cost-effective charging options.

FluxLicon: PEM develops memory from old E-car batteries-fluxliconPEM RWTH Aachen

With the Chair of PEM and the other project partners – the Agency for Renewable Energies e.V. (AEE) as well as PEM Motion, ConAC and DEKRA – a Trusted Platform will be developed in the course of the project. It is intended to act as an interface between the distributors of the e-vehicle battery systems and the secondary users and to provide all data in a structured manner that is relevant for the further use of used battery systems. “In order to evaluate the results, we are building a second-life storage facility in Aachen with a capacity of one megawatt hour,” explains PEM director Professor Achim Kampker. An intelligent energy management system is also to be developed for the return of data to the Trusted Platform. In the further course of the project, the focus will be on setting up and testing two pilot plants in two different German municipalities. Both locations are to be determined in a nationwide competition.

For resource efficiency and lower CO2 emissions

The background to the project is the increasing importance of electromobility. However, there is criticism with regard to sustainability and the use of resources: the batteries require raw materials, production causes CO2 emissions, and after their useful life in the vehicle, many batteries are directly recycled despite their high residual capacity. In order to keep the batteries in use for as long and efficiently as possible in the future, the first concepts for Second Life applications have already been developed, which allow battery systems from electric vehicles to have a second life in stationary energy storage systems. Several of these storage systems are already integrated into the power grid. And it will be running more.

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