Mercedes-Benz and Factorial Energy Lead with First 106+Ah Solid-State Battery Delivery: What This Means for Future Electric Vehicles

June 18, 2024
1 min read
High-Performing Solid-State Batteries . Photo Source - Factorial Energy
High-Performing Solid-State Batteries . Photo Source - Factorial Energy

Mercedes-Benz and its partner Factorial Energy have reported a breakthrough towards the series production of solid-state batteries.

These batteries, which feature solid instead of liquid electrolytes, promise faster charging times, higher energy density, and overall improved performance. They are also considered safer, more durable, and reliable compared to conventional lithium-ion batteries.

Mercedes recently highlighted a significant advancement in their collaboration with Factorial Energy. Markus Schäfer, Development Chief, mentioned on LinkedIn, “In a world first, we have now taken delivery of B-samples of Factorial’s 106+Ah lithium-metal solid-state battery cells. We will integrate these into modules and battery packs for extensive testing and optimisation against our strict performance specifications. ” These B-samples mark the “world’s first announced B-sample delivery of solid-state battery cells to a global automaker,” according to Factorial Energy.

Factorial Energy promises that their batteries will provide nearly 1000 kilometers of range, weigh 40 percent less, and require one-third less space than lithium-ion batteries. Siyu Huang, CEO and co-founder of Factorial, stated, “We are thrilled to advance to the B-sample phase and to mark this milestone with a global automotive leader like Mercedes-Benz,” said Siyu Huang, CEO and Co-Founder of Factorial. “This swift progression from A-sample to B-sample delivery in under a year highlights Factorial’s rapid innovation capabilities and we continue to push the envelope to accelerate the adoption of solid-state batteries in the automotive sector. As a U.S. cell maker, we believe our high energy density cell will help build more efficient and sustainable vehicles that will set new standards for electric vehicle range, cost and performance globally,” he added.

At the end of 2021, Mercedes and the Stellantis Group formalized a technology partnership with Factorial. The German automaker invested a high double-digit million amount in US dollars, and the former Mercedes-Benz CEO Dieter Zetsche now serves as an investor and senior advisor to the US startup. Markus Schäfer added, “We are committed to leading in innovative battery technologies, and our partnership with Factorial is a significant part of this strategy.”

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Factorial utilizes its “FEST” technology (Factorial Electrolyte System Technology) for these cells, featuring a lithium-metal anode aimed at drastically reducing the weight of electric vehicles and increasing range. This technology also aims to shorten charging times and enhance safety. They also disclosed that the energy density of these cells is 391 Wh/kg, although it is not specified whether this is at the cell or system level. Factorial’s solid-state batteries are produced using existing facilities from lithium-ion battery production.

Sunita Somvanshi

With over two decades of dedicated service in the state environmental ministry, this seasoned professional has cultivated a discerning perspective on the intricate interplay between environmental considerations and diverse industries. Sunita is armed with a keen eye for pivotal details, her extensive experience uniquely positions her to offer insightful commentary on topics ranging from business sustainability and global trade's environmental impact to fostering partnerships, optimizing freight and transport for ecological efficiency, and delving into the realms of thermal management, logistics, carbon credits, and energy transition. Through her writing, she not only imparts valuable knowledge but also provides a nuanced understanding of how businesses can harmonize with environmental imperatives, making her a crucial voice in the discourse on sustainable practices and the future of industry.

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