Porsche invests in high-performance battery cells

Porsche and joint venture partner Customcells today announced the launch of production of high-performance battery cells at the Weissach Development Center. Porsche is investing a high double-digit million amount in the new company Cellforce Group GmbH. They are extending there technological leadership role in the field of electric mobility.

“The battery cell is the combustion chamber of the future. As a new Porsche subsidiary, the Cellforce Group will be instrumental in driving forward the research, development, production and sales of high-performance battery cells,” said Oliver Blume, Chairman of the Executive Board at Porsche. “This joint venture allows us to position ourselves at the forefront of global competition in developing the most powerful battery cell and make it the link between the unmistakable Porsche driving experience and sustainability. This is how we shape the future of the sports car.”

(from left): Michael Steiner, Member of the Executive Board for Research and Development at Porsche AG, Boris Palmer, Lord Mayor of the City of Tübingen, Torge Thönnessen, Managing Director of Customcells Itzehoe GmbH, Winfried Kretschmann, Minister President of Baden-Württemberg, and Oliver Blume, Chairman of the Executive Board of Porsche AG.

The new venture, in which Porsche has a majority stake of 83.75 percent, has its headquarters in Tübingen. The university town is also on the shortlist for the location of the battery factory, which is to be located in close proximity to the research and development center in Weissach, as well as the headquarters of Porsche AG in Stuttgart-Zuffenhausen. The number of employees is expected to grow from the initial workforce of 13 provided jointly by both companies to up to 80 by 2025. The Federal Republic of Germany and the state of Baden-Württemberg are funding the project with around 60 million euros.

The chemistry of the new high-performance cells relies on silicon as the anode material. With this material, it now seems possible to significantly boost the power density compared to current good series batteries. The battery can offer the same energy content with a smaller size. The new chemistry reduces the battery’s internal resistance. This allows it to absorb more energy during energy recuperation and at the same time it offers improved performance for fast charging. Another special feature of the Cellforce battery cell is the fact that it is better able to withstand high temperatures.

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