Factorial & Philenergy Partner for Solid-State Battery Production

Energy Storage
Energy Storage
Strategic Partnership
Strategic Partnership
Merger:
Jun 08, 2026
Industry:
MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES

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Factorial and Philenergy Sign MOU to Accelerate All-Solid-State Battery Manufacturing

BOSTON, Mass. and SEOUL, South Korea - Factorial Inc., a U.S. solid-state battery developer, and Cartesian Growth Corporation III announced that Factorial has signed a Memorandum of Understanding (MOU) for a strategic manufacturing collaboration with Philenergy, Korea's leading battery equipment and infrastructure provider (KOSDAQ). This partnership aims to significantly accelerate the scale-up of Factorial's innovative Solstice(TM) all-solid-state battery platform.

The collaboration will focus on integrating Philenergy's advanced production infrastructure and established supply chain with Factorial's proprietary battery architecture. Factorial CEO Siyu Huang emphasized the importance of experienced production partners for success in next-generation batteries, highlighting Philenergy's proven expertise and infrastructure.

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About Factorial Energy Inc.

Founded and headquartered in the Boston, Massachusetts, area, Factorial operates at the forefront of solid-state battery development, offering safe, high-performance alternatives to traditional lithium-ion technologies. Its proprietary FEST® (Factorial Electrolyte System Technology) and Solstice™ platforms deliver greater energy density, enhanced safety, and compatibility with existing manufacturing systems. Factorial’s commercial partnerships include global automotive leaders such as Mercedes-Benz, Stellantis, Hyundai Motor Company, and Kia Corporation. Early investors include GVP Climate in partnership with Gatemore Capital Management and WAVE Equity Partners. For more information, visit www.factorialenergy.com.

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