Cellforce Group and Dürr AG Successfully Establish Joint Mass Production Process for Electrode Coating

Kirchentellinsfurt/Bietigheim-Bissingen, October 4, 2022. Heading into the future at high speed: Cellforce Group, a joint venture of sports car manufacturer Porsche and battery specialist CUSTOMCELLS, has successfully implemented the process mass production for the coating of its electrodes over the last twelve months – based on knowledge, technology and direct proximity to the machine and plant manufacturer Dürr. Today, the Cellforce Group and Dürr have jointly commissioned a high-tech coating facility for high-performance battery cells in Bietigheim-Bissingen.

Specifically, the Cellforce Group (CFG) will soon be using a special Dürr process that allows both sides of the electrode to be coated simultaneously. In this way, the coating process can be accelerated and the precision and quality significantly increased compared to the standard procedure. In conventional processes, the anode and cathode materials are not applied simultaneously but rather one after the other on both sides of a thin metal foil.

In order to successfully commission and establish the process, the Cellforce Group has been on site at Dürr in Bietigheim-Bissingen for several months and has set up production on a factory line. “For us, it was important that Dürr, as a technology partner, could act quickly and make any adjustments directly. That’s why we chose this Cellforce-exclusive approach, which significantly increased the speed of our process development. coating and allows us to build and share knowledge at an early stage,” says Markus Woland, Chief Operating Officer of Cellforce Group.

Processes ready for a new Cellforce Group site

The double-sided electrode coating technology was developed by Dürr’s US subsidiary Megtec, which was acquired in 2018. – and to do so with a highly efficient and sustainable production process. By working directly with the Cellforce Group, we can optimally align the technology with their needs and thus support them in the future development and production of high-performance cells with high energy density,” says Dr. Jochen Weyrauch, CEO of Dürr AG .

“Strong partnerships are needed for the development and production of future high-performance battery cells. The direct cooperation between the Cellforce Group and Dürr AG is a good example of how win-win situations can be created for all parties. This is a role model and thus sets standards for battery cell production in Germany,” says Michael Steiner, Member of the Board of Management for Research and Development at Porsche AG.

The Cellforce Group is currently building a state-of-the-art development and production site for battery cells in the Reutlingen-Kirchentellinsfurt industrial park. Once this new site is completed, the production processes set up in Dürr can be taken over and continued directly. To ensure long-lasting operation of the coating line, Dürr also supplies equipment for the purification of exhaust air and the recovery of more than 99% of the solvents used.

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About Cellforce Group
Cellforce Group GmbH (CFG) plans to develop and produce high-performance lithium-ion pocket cells for special automotive applications from 2024. Cellforce is a joint venture in which Porsche AG holds a 72.7% stake, the shares remaining being held by CUSTOMCELLS Holding GmbH. . The managing directors are Markus Gräf as Chief Operating Officer (COO) and Wolfgang Hüsken as Chief Financial Officer (CFO). The workforce is expected to reach 100 by 2025. For more information on Cellforce, please visit: www.cellforce.de

Media contact
mike eiserman
Email: press@cellforce.de
Telephone: +49 4821 133 92 21