Factorial Energy emerges from 'stealth mode' to unveil 'first 40 Ah solid-state cell for EVs'

by Michael Green
CEO Siyu Huang: "Thrilled to be first to reach 40 Ah benchmark for a solid-state cell."
US-based battery tech start-up, Factorial Energy, has emerged from "stealth mode” – to introduce a 40 ampere-hour (Ah) solid-state battery cell for electric vehicles and other applications such as stationary storage.

The Massachusetts company also named former Panasonic North America CEO, Joe Taylor, as executive chairman, with other senior industry leaders joining its technical team.

Factorial's "breakthrough" Factorial Electrolyte System Technology (FEST) is a proprietary, solid electrolyte material, which enables safe and reliable cell performance with high-voltage and high-energy density electrodes.

The company was founded by Héctor Abruña, professor and former chair of chemistry at Cornell University and Siyu Huang, currently Factorial’s CEO, who said: "We are thrilled to be the first to reach the 40 Ah benchmark for a solid-state cell, and I look forward to sharing more of our team’s successes in the months to come.”

'Commercial readiness'

"For EVs to capture more than just 4% of global car sales, buyers need to see dramatic price and performance improvements in the underlying battery systems. Factorial's solid-state battery technology offers the performance, safety, scalability, and commercial readiness needed to move the needle of EV adoption.”

Factorial said FEST is safer than conventional lithium-ion technology, replacing the combustible liquid electrolyte with a safer, more stable solid-state electrolyte that suppresses lithium dendrite formation on lithium-metal anodes.

"Battery platforms based on FEST yield 20%-50% improvements in driving range without sacrificing pack longevity, and surpass prevailing EV battery performance standards, including those for energy density, cycle life, and safety,” the company said.

Several major global automotive partners are already said to be validating the technology.