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Mercedes-Benz has entered into a testing agreement with ProLogium that gives it priority access to Gen4 solid-state battery cells, marking a new step in a partnership that began in 2016. The partnership aims to evaluate electrical and thermal performance as well as safety, while ProLogium seeks to move from pilot lines to commercial production.
Factorial Energy is bringing together companies specializing in materials and battery manufacturing to accelerate the rollout of solid-state batteries, rather than developing all their components internally. The company is working with Mitsui Kinzoku and other partners, while its batteries are still awaiting entry into production vehicles.