Cellforce, the battery joint venture between Porsche and Customcells, has ordered a system for coating electrodes for high-performance battery cells from the machinery and plant manufacturer Dürr.
The equipment ordered from Dürr is intended for Cellforce’s planned battery cell factory. According to the plant manufacturer, a special process will be used that enables the simultaneous coating of both electrode sides. This should increase efficiency and quality. Dürr is one of the few suppliers of this technology.
While the final decision on the location for the cell factory has not yet been made – it will, however, be built in Baden-Württemberg – the timetable is clearer: according to Dürr, the process will initially be used in prototype development for high-performance cells from 2022 and in series production from 2024. The order for Dürr’s Clean Technology Systems division is worth a low double-digit million euro amount, he said.
“The partnership with Cellforce underlines the attractiveness of our product range. We have highly efficient technology at our disposal and, as a system provider, we can implement complete coating lines,” said Jochen Weyrauch, deputy CEO of Dürr AG and responsible for the Group’s automotive and coating business. “We will make every effort to provide Cellforce with optimum support in the development and production of high-performance cells with high energy density.”
The technology for double-sided electrode coating was originally developed by US company Megtec, which Dürr acquired and incorporated in 2018. According to the company, the process is already being used by “several well-known battery and automotive manufacturers”.
According to the manufacturer, the double-sided coating is intended to accelerate the production process, increase precision and quality, and thus enable better use of the material. Dürr also supplies equipment for exhaust air purification and for the recovery of “over 99 per cent of the solvents used”.
In view of the carmakers’ announced battery projects, Dürr is hoping for further orders. “In order to accelerate the shift toward sustainable electromobility, production capacities for cells must be expanded. That is why further extensive investments in new factories will be made,” says Weyrauch. “With our complete range for coating processes, we are excellently positioned for this.”
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