Extrusionsprozess für Energiespeicherbatterien
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Can extrusion-based process be used for electrode production?
Generally, the electrodes fabricated by extrusion and casting processes exhibit similar electrochemical performance, proving that the extrusion-based process has the technical potential to be established for electrode production.
Is extrusion-based coating a promising alternative for the production of lithium-ion batteries?
The work shows that the extrusion-based coating process is a highly promising alternative for the efficient production of lithium-ion batteries. 1. Introduction The development of affordable and reliable battery systems for mobile or stationary applications is an essential step towards a sustainable energy economy.
Why do extruded electrodes have smaller CB clusters?
The extruded electrodes exhibit smaller CB clusters than the electrodes produced by tape casting. As described above, the CB is located on the surface of the active material particles. During the kneading process, CB agglomerates are broken down and the smaller agglomerates stick to the surface of the active material .
Do extrusion-based coatings improve electrode performance?
Considering the novelty of the fabrication approach and the lab-scale level of development, the performance metrics obtained from the electrodes fabricated by the extrusion-based coating process appear highly promising with respect to state-of-the-art electrodes prepared by casting processes.
What are the advantages of extrusion-based fabrication?
The extrusion-based fabrication route shows excellent particle dispersion and high coating quality, resulting in excellent electrochemical performance while providing numerous advantages regarding design freedom, material and processing costs as well as facile upscaling and continuous operation potentials.
Why is extrusion based process better than casted electrodes?
Accordingly, the drying process can be carried out much faster than for casted electrodes. Since the drying step usually limits the coating speed, the extrusion-based process has the potential of faster processability when compared to conventional casting technologies.
