SEOUL, January 27 (AJP) - South Korean battery materials and chemicals company Posco Future M has invested in U.S. solid-state battery company Factorial, stepping up efforts to secure a foothold in next-generation battery technology.
The company said Tuesday that it has signed an investment agreement with Factorial on Jan. 7 and completed payment on Monday. Posco Future M didn't disclose the terms of the investment.
The move builds on a memorandum of understanding signed in November 2025 to jointly develop solid-state battery technology.
Massachusetts-based Factorial is regarded as a leading developer of solid-state batteries and is pursuing a U.S. stock market listing. The company is expanding operations through a solid-state battery pilot plant in Cheonan, South Chungcheong Province.
Factorial’s solid-state battery platform, Solstice, is designed to offer higher energy density and improved safety compared with conventional lithium-ion batteries that use liquid electrolytes, the company said.
Solid-state batteries, which replace liquid electrolytes with solid materials, are widely seen as a potential breakthrough for electric vehicles and energy storage due to their ability to enhance performance while reducing fire risks.
Posco Future M said the investment is expected to deepen cooperation by combining Factorial’s global network with its own battery materials technology. The company has been supplying and testing cathode material samples for Factorial’s solid-state batteries, adding that its products were rated highly among multiple suppliers for quality and power performance.
The company has materials design and coating technologies optimized for solid-state batteries and that the investment will help it prepare for rapid growth in the emerging market. Factorial, for its part, aims to secure a stable supply of high-quality materials and strengthen manufacturing competitiveness.
“Both companies have advanced materials technology through an ongoing, close partnership,” said Hong Young-jun, head of Posco Future M’s research institute.
* This article, published by Aju Business Daily, was translated by AI and edited by AJP.
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