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Introduction by the Project Coordinator - Margaud Lecuyer



The PSIONIC project advances the development of all-solid-state battery technology by employing amorphous cross-linked Polyethylene oxide (PEO) laminated on the thin lithium foil at the anode and high voltage cathode coated with a single-ion conductive polymer. This will allow to replace the flammable and unstable liquid electrolytes and enable dendrite-free cycling of high-energy lithium metal cells manufactured by sustainable processing. Special attention will be devoted to the optimisation of interfaces between the active material and polymer electrolyte. Materials selection will enable the use of the manufacturing technology available to BlueSolutions, which is readily scalable, and based on sustainable processing using solvent-free extrusion. The project is aiming to develop cells with a safety hazard level 2 since no liquid component will be in the cell at the end of the project. The research and innovation actions carried out under the PSIONIC project will not only just contribute to the technological advancements of all-solid-state Li-ion batteries in terms of safety, reliability, performance, cost, and sustainability. Still, they will also enable higher uptake by the electromobility sector and end consumers, paving a pathway towards climate neutrality, and green energy transition. The project is organised around a consortium of companies and academic laboratories being coordinated by Blue Solutions France. Other participants: Accurec-Recycling GmbH, Armor Battery Films SA, BASF, Centre National de la Recherche Scientifique – CNRS, CLERENS, Universite de Picardie Jules Verne, Kemijski Institut, Politecnico di Torino, Westfaelische Wilhelms-Universitaet Muenster, Specific Polymers, Uppsala Universitet, and Renault SAS. The greatest challenges towards the worldwide success of battery-powered electric vehicles revolve around the safety, energy density, and cost of battery technologies. Solid-state polymer electrolytes and lithium metal anode address these challenges by replacing the flammable and unstable liquid electrolytes and enabling dendrite-free cycling of high-energy lithium metal cells manufactured by sustainable and cost-effective processing.

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