Snagging its third federal grant in six months, Dallas-based Solidion Technology (Nasdaq: STI) has been awarded a grant from the U.S. Army’s STTR Program to develop an advanced fiber-based electronic battery system built on a coaxial carbon nanotube yarn architecture.
The advanced battery technology solutions provider said research on the project will be conducted jointly with the University of Texas at Dallas. The grant’s amount was not disclosed.
Solidion described its innovation as “a flexible, rechargeable lithium-ion battery in fiber form.” A coaxial carbon nanotube yarn serves as both the structural core and current collector of the anode, and is integrated with Solidion’s silicon as the high-capacity anode material, the company said.
“Advancements in advanced fiber-based electronic battery systems are a part of the larger commitment by the Department of War to innovate and collaborate with cutting edge U.S. companies such as Solidion,” CEO Jaymes Winters said in a statement.
Earlier grants for electrochemical manufacturing of graphite, nuclear reactor solution
In early December, Solidion received a grant to advance its R&D for the electrochemical manufacturing of high-performance graphite based on biomass-derived carbon. That grant was funded by ARPA-E, the Advanced Research Projects Agency, from its highly competitive OPEN program.
Three weeks ago, the company received a U.S. Department of Energy grant to scale up the synthesis of a carbon-nanosphere material, which will be used as an anti-corrosive additive in molten-salts-based heat transfer fluids for advanced molten salt nuclear reactors. Solidion had previously received a 2025 R&D 100 Award in partnership with Oak Ridge National Laboratory for innovation in electrochemical graphitization in molten salts (E-GRIMS).
Headquartered in Dallas with pilot production facilities in Dayton, Ohio, Solidion’s core business includes manufacturing of battery materials and components, as well as development and production of next-generation batteries for energy storage systems, including including UPS systems serving the AI data center market and electric vehicles for ground, aerospace, and sea transportation. Solidion said it holds a portfolio of over 525 patents, covering innovations including high-capacity, silane gas free and graphene-enabled silicon anodes, biomass-based graphite, advanced lithium-sulfur, and lithium-metal technologies.
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