Consortium to boost silicon and solid state battery production in Europe : Page 2 of 2

February 28, 2019 //By Christoph Hammerschmidt
Consortium to boost silicon and solid state battery production in Europe
The Si-DRIVE project is aiming to develop a cell by 2030 that consists of a nanostructured silicon anode, a novel solid electrolyte based on ionic liquids and a completely cobalt-free but lithium-rich cathode. A cell with this structure and a comprehensive recycling program could make sustainable battery production possible.

Five project partners will also work on the concept of a closed-loop economy in order to identify further applications. Scenarios are conceivable in which "low-age" batteries from electric cars are combined and reused as stationary storage units. The anode and electrolyte concept also follow this sustainability concept, so that in the end a recycling rate of over 50% is to be achieved. The nanostructures of the anode are designed in such a way that a long cycle stability can be made possible by an ideal geometry with high mass loads. The structure of the anode will be optimized by modeling in such a way that volume expansion and mechanical deformation can be buffered in the best possible way while maintaining maximum energy density. The newly developed solid electrolyte is based on ionic liquids, which provide greater stability at high voltages, maximum safety and low flammability.

The project, funded by the European Framework Programme for Research and Innovation "Horizon 2020", brings together the activities of a total of 17 scientific and industrial institutions from eight countries.

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