Featured in Moving in circles – 09-2024

Battery battle: silicon vs. graphite

Battery-anode material graphite is fraught with significant supply chain risk, as less than 10% of global supply is currently outside China. SCC55, made by Group14, is a stable silicon-carbon composite anode that can partly or wholly replace graphite in lithium battery anodes. pv magazine spoke to Grant Ray, Group14 vice president for global market strategy.
US-based Group14 has been on the expansion trail and has significantly built out its manufacturing infrastructure in Europe. | Photo: Group14 Technologies

 Washington state-based Group14 recently started expanding in Europe. In 2023, it acquired the Schmid Silicon plant in Schwarze Pumpe, in the German state of Saxony. It also has a base in Stuttgart. In July 2024, Group14 secured a $300 million supply deal with German battery maker CustomCells. The latter supplies carmaker Porsche, which is a …

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