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26.03.2018 Continuous extrusion of battery materials to a high, reproducible quality standard

Coperion, Stuttgart, Germany, will be exhibiting application solutions for its highly productive ZSK twin screw extruders for the continuous production of cathode and anode masses, as well as separator film, at Booth 212 of the Battery Show Europe 2018 which takes place 15-17 May in Hannover. Raw materials such as active materials, binding agents, conductive carbon blacks and fluids are fed either separately or in the form of premixes into the process section of the extruders using highly accurate Coperion K-Tron feeding systems. Conveying, mixing, shearing and the homogenisation essential for obtaining products of a consistently high and reproducible quality standard take place in processing zones that are optimally designed for the processes concerned.
Owing to the often abrasive and sometimes toxic properties of the raw materials being processed, the parts of Coperion systems that come into contact with the product are made of materials offering particularly high resistance to wear. This makes it possible to avoid contamination of the end product from detached metal particles over the long term, even when processing ultra-hard silicon carbides. Dust-proof versions of the feed and refill systems for the raw materials are also available if required. In all these respects, Coperion draws on many years of experience as a supplier of extrusion systems for pharmaceutical applications. In addition, ZSK plants for making battery masses are designed to conform to stringent explosion-protection regulations. 
A Coperion ZSK twin-screw extruder will be featured at the Battery Show together with a Coperion K-Tron gravimetric feeder (shown below)

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