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Línea de financiación en Horizonte Europa: Baterías de iones de litio

Referencia HORIZON-CL5-2021-D2-01-04

Caduca 19/10/2021

HORIZON-CL5-2021-D2-01-04: Técnicas de procesamiento ambientalmente sostenibles aplicadas a la fabricación de electrodos y componentes de celdas a gran escala para baterías de iones de litio (Asociación de Baterías)

Industrial scale fabrication of Li-ion battery (LIB) porous electrodes imply casting of a slurry over a thin metallic current collector according to conventional coating procedures. This is the technology used also for advanced LIBs with high energy electrode materials and liquid electrolyte (Gen3a/b). The slurry to be coated is prepared by mixing the active material, conductive agent and binder in a solvent, typically N-Methyl-2-pyrrolidone (NMP). Since NMP is toxic in nature, an expensive recovery system should be placed to collect the evaporated NMP in the drying process.

Project results are expected to contribute to all of the following expected outcomes:

• Provide European a leadership position in production of batteries with lower carbon footprint.

• New sustainable electrode and cell manufacturing techniques are with reduced energy consumption, lower carbon footprint and no Volatile Organic Compounds (VOCs) emissions. Electrode and cell manufacturing processes are scalable, safer, cheaper, cleaner and less energy consuming compared to state-of-the-art technologies, ultimately reinforcing an internationally competitive European battery manufacturing industry.

• Electrode coating production techniques completely eliminate organic solvents as slurry dispersing media leading to avoid the large capital costs associated to the solvent recovery system Implementation of dry manufacturing techniques such as 3D patterning of active electrode layers, and/or hydrophobic surface treatment of electrodes with next generation materials.

• Industrialising closed loops and process design to return low-value chemicals from manufacturing processes to high-value and necessary inputs for the battery manufacturing industry.

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