CircuBAT to analyze battery supply chains


The CircuBAT research project aims to close the loop between the production, application and recycling of lithium-ion batteries from mobility. To this end, seven Swiss research institutions and 24 companies are jointly looking for optimisation options for more sustainability in all stages of the battery’s life.

The aim of the project is to establish a circular business model for lithium-ion batteries from mobility over the next four years, according to a press release from the participating institute Empa. The project is part of the newly launched Flagship Initiative of the funding agency Innosuisse.

The consortium leader is the Bern University of Applied Sciences (BFH). On the scientific side, six other Swiss research institutions are involved: Empa, the Centre Suisse d’Electronique et de Microtechnique (CSEM), the University of St. Gallen (HSG), the University of Applied Sciences of Eastern Switzerland OST, the Switzerland Innovation Park Biel/Bienne SIPBB and EPFL. In addition to the institutes, a total of 24 companies are involved, ranging from materials specialists and manufacturing companies to users and suppliers of electric vehicles.

Through all these partners from science and industry, the project is intended to cover all stages of a battery’s life – in addition, findings from research should be able to be tested directly in application.

All phases are to be considered for the optimal use of a battery. For example, the researchers want to use improved charging and discharging strategies to extend the service life of the batteries in their first application – in the case of electromobility, in the vehicle. Should damage nevertheless occur there, repairs should become easier.

After use in the vehicle, the integration into electricity grids as stationary storage will be researched. If the battery has to be recycled, the solutions for dismantling and material recovery will be optimised.

“On top of these technical issues, the project examines socio-economic aspects and holistic business models,” the iniators wrote. “CircuBAT will therefore play a key role in decarbonizing mobility in Switzerland and promoting the use of renewable energy.”


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