German compounding systems company Coperion said Cellforce Group ordered two Coperion ZSK Mc18 twin screw extruders for their new battery cell production facility. Cellforce is a joint venture (JV) between Porsche and Customcells Holding.
The JV between sports car manufacturer Porsche and Customcells Holding, one of the leading developers and manufacturers of application-specific battery cells, will begin pilot production of high-performance lithium-ion pouch battery cells in Kirchentellinsfurt, Germany, in 2024. It will serve special automotive applications.
Porsche holds a 72.7% stake in the JV.
The manufacturing process will feature both extruders and Coperion K-Tron feeders for the continuous production of battery compounds. The mixing properties of the ZSK twin-screw extruders was a key feature in their selection, according to Coperion. Their throughput can be precisely controlled.
Markus Fiedler, process technology team leader of chemical applications at Coperion, said: “The excellent mixing behaviour of the ZSK twin-screw extruders makes it possible to achieve the especially high homogeneity required for the formulation of these high-performance batteries, which contains a high percentage of silicon. Their modular construction also facilitates adaptation to new recipes.”
The extruder and the K-Tron feeders are designed to be dust-tight, fulfilling the highest requirements for maintaining purity of the product and safety of the work environment.
Photo: Coperion ZSK extruder