POSCO Future M to work with US firm to co-develop solid-state battery materials

By Jang So-young Posted : December 4, 2025, 10:39 Updated : December 4, 2025, 10:39
From left: Hong Young-jun, head of POSCO Future M's technology research center, and Siyu Huang, CEO of Factorial Energy, commemorate the signing of an MOU for solid-state battery technology development on Nov. 25.
The MOU signing ceremony between POSCO Future M and Factorial Energy/ Courtesy of POSCO Future M


SEOUL, December 04 (AJP) - POSCO's battery-materials unit, POSCO Future M, has signed a partnership with U.S.-based Factorial Energy to co-develop next-generation solid-state battery materials, the South Korean company said Thursday.

The memorandum of understanding (MOU) was signed on Nov. 25 on the sidelines of the Future Battery Forum in Berlin.

Factorial Energy selected POSCO Future M as a partner after testing cathode samples from multiple global suppliers and determining that POSCO’s materials delivered superior quality and performance. The collaboration is expected to strengthen POSCO Future M’s position in the emerging solid-state battery market, with joint work centered on advanced cathode materials and silicon anodes.

Solid-state batteries, which use solid electrolytes rather than liquid ones, are viewed as a breakthrough technology for electric vehicles and robotics due to enhanced safety, higher energy density and improved fast-charging capability.

Factorial Energy, headquartered in Massachusetts, operates a pilot production facility in Cheonan, South Korea.

POSCO Future M executive Hong Young-jun said the companies expect strong synergy between Factorial’s solid-state battery expertise and POSCO’s materials technology.

* This article, published by Economic Daily, was translated by AI and edited by AJP.

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