Factorial Energy partners with Mitsui Kinzoku to scale solid-state battery manufacturing

• Factorial Energy struck a strategic partnership with Mitsui Kinzoku to industrialize its Solstice all-solid-state battery platform.
• Joint development agreement targets global scale-up of manufacturing for Factorial’s sulfide-based solid-state cells.
• Mitsui Kinzoku will contribute sulfide solid-electrolyte technology, including its A-SOLiD material, as it advances toward mass production in Japan.
• Factorial will lead cell design, process development, supply-chain qualification, line integration, and manufacturing validation under the collaboration.
• Factorial cited recent commercial orders in passenger vehicles and aerospace, strategic investments, and its June 2026 Nasdaq listing under ticker FAC.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Factorial Energy Inc. published the original content used to generate this news brief via GlobeNewswire (Ref. ID: 202609170700PRIMZONEFULLFEED9828564) on September 17, 2026, and is solely responsible for the information contained therein.