FEV and ProLogium collaborate on developing high-performance vehicle battery

At the 2024 Paris Motor Show, FEV and ProLogium announced their continued collaboration on the development of LLCB technology

Customer demands for the next generation of electric vehicles are clear: reduced weight with enhanced efficiency, longer range with faster charging, and maximum safety. FEV, Germany’s leader in automotive and energy innovation, and ProLogium, a global pioneer in advanced vehicle battery technology, are meeting these needs with their new product.

This breakthrough is made possible by LLCB (Large-Footprint Lithium Ceramic Battery) technology. Featuring a 100% silicon anode, the LLCB offers ten times the capacity density of traditional graphite anodes. Depending on the vehicle type and use, this battery can save up to 300 kg or enable a maximum range of 1,000 km. The solid-state electrolyte used in the battery is non-flammable, enhancing safety by reducing the risk of thermal runaway and preventing short circuits caused by electrolyte leakage in the event of damage.

“For the LLCB solution, we have successfully combined ProLogium’s know-how in the field of cell development with our development, system and testing expertise,” said Dr. Thomas Hülshorst, Global Vice President Electric Powertrain at FEV. “Our collaboration on battery packs and concept designs focuses not only on regulatory standards, but also on market requirements. We even exceed these.”

The anode also enables ultra-fast charging, charging the battery from five to 60 per cent within five minutes. This allows the user an average range of 300 km. After further three minutes, the battery is charged to 80 per cent and can cover additional 100 km. In this way, the LLCB helps to bring charging times closer to the duration of a refueling process for vehicles with combustion engines.

At the Paris Motor Show 2024, FEV and ProLogium announced to continue their joint efforts for LLCB development in the future.