Full profile interview
4 Sep 2025

Factorial Energy
Factorial Energy Inc., headquartered in Massachusetts, is a pioneering company in the development of advanced solid-state battery (SSB) technology based on their proprietary technology, FESTĀ® (Factorial Electrolyte System Technology).
Included are:
Background
18 Aug 2025

Factorial Energy
Factorial Energy is an American developer of solid-state battery technology. IDTechEx attended Factorial's webinar as part of the Battery Manufacturing & Simulation Summit, and this company profile will focus on Factorial's use of dry coating methods for cathode production in solid-state cells.
Included are:
Full profile interview
9 Dec 2022

Factorial Energy
Factorial Energy is a Massachusetts-based company, originally founded in 2013 as Lionano.
Included are:
29 Oct 2021

Hyundai, Kia and Factorial Energy to Develop Solid-State Batteries
Factorial Energy, Hyundai Motor Company and Kia Corporation are partnering to test Factorial's novel solid-state battery technology and its integration in Hyundai electric vehicles. Under the Joint Development Agreement, which includes a strategic investment, the companies will integrate Factorial technology at the cell, module, and system levels, perform vehicle-level integration, and co-develop specifications for manufacturing Factorial's batteries.