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Taiwanese battery manufacturer ProLogium is moving forward with plans to establish a mega-factory for solid-state electric vehicle batteries in France, marking a significant cross-border investment in European automotive manufacturing.
Taiwan-France Manufacturing Partnership

The project was discussed during a recent BFM Business broadcast featuring industry experts including Jean Schmitt, president of Jolt Capital, and Matthieu Soulé from Cathay Innovation’s San Francisco laboratory. The initiative represents ProLogium’s strategy to establish manufacturing presence in Europe’s growing electric vehicle market.
Solid-state batteries represent next-generation technology that promises improved energy density, faster charging, and enhanced safety compared to conventional lithium-ion batteries currently dominating the EV market. ProLogium’s decision to locate this facility in France positions the country as a key player in advanced battery manufacturing.
Strategic European Investment
The Taiwanese company’s French expansion comes as European governments actively court battery manufacturers to reduce dependence on Asian supply chains and support local automotive transformation. France has been particularly aggressive in attracting clean technology investments through various incentive programs.
This development aligns with broader European Union initiatives to build domestic battery production capacity, reducing reliance on imports while supporting the region’s transition to electric mobility. The solid-state technology focus suggests ProLogium aims to capture premium market segments where performance advantages justify higher costs.
Manufacturing Implications
The mega-factory designation indicates substantial production capacity planned for the French facility. Such large-scale operations typically create significant employment opportunities and attract supporting industries, potentially establishing a battery manufacturing cluster in the chosen region.
ProLogium’s investment decision reflects confidence in European EV market growth and France’s manufacturing capabilities, while providing European automakers with closer access to advanced battery technology.
Sources: Bfmtv