Solidion Technology Awarded A Second Grant From The U.S. Department of Energy For Nuclear Reactors

Rhea-AI Summary

Solidion Technology (Nasdaq: STI) announced on Dec 29, 2025 that the U.S. Department of Energy awarded a second grant to scale up synthesis of a carbon-nanosphere material to be used as an anti-corrosive additive in molten-salts-based heat transfer fluids for advanced molten salt nuclear reactors.

The work will be conducted jointly with Oak Ridge National Laboratory and aims to create an engineered colloidal suspension of hollow carbon nanoparticles in conventional molten salts to enhance heat transfer and reduce corrosion, supporting commercialization of small modular and advanced molten salt reactors.

Positive

• DOE grant awarded on Dec 29, 2025 to scale up carbon-nanosphere synthesis
• Joint research collaboration with Oak Ridge National Laboratory
• Technology diversification into nanofluids-based heat-transfer additives for nuclear reactors

Negative

• Grant amount not disclosed, limiting direct financial impact visibility

Argus Dec 29 session

+22.11% close to close Open Argus

Details

News Market Reaction – STI

On Dec 29, the day this news came out, STI closed 22.11% above the previous close.

Data tracked by StockTitan Argus for the Dec 29 session.

Key Figures

Shares registered: 7,076,660 shares Shares outstanding: 7,465,283 shares Net income: $2,988,626 +5 more

Shares registered

7,076,660 shares

Common stock registered for resale in 424B3

Shares outstanding

7,465,283 shares

Outstanding as of November 19, 2025 per 424B3

Net income

$2,988,626

Nine months ended September 30, 2025 (driven by non-cash gain)

Operating loss

$6,662,693

Nine months ended September 30, 2025 core operations

Cash balance

$160,506

Cash as of September 30, 2025 in 10-Q

Total liabilities

$22,492,172

Liabilities as of September 30, 2025

Stockholders’ deficit

$17,407,000

Deficit as of September 30, 2025

Non-dilutive bridge

$1,000,000

Bridge financing from existing shareholder on Oct 30, 2025

Historical Context

5 past events · Latest: Dec 15

5 events

1. Dec 15

   Battery anode update

   24h Move

   -11.6%

   Announced silicon-rich high-capacity lithium-ion anode with rubber encapsulation.

2. Nov 21

   DOE grant award

   24h Move

   +11.6%

   Received DOE ARPA-E grant for biomass-derived high-performance graphite work.

3. Nov 10

   Drone cell prototype

   24h Move

   -1.4%

   Unveiled 9.5Ah high-power pouch cell for industrial and military drones.

4. Oct 31

   Nasdaq compliance

   24h Move

   +18.4%

   Regained compliance with Nasdaq market value listing requirements.

5. Oct 30

   Bridge financing

   24h Move

   -5.5%

   Closed $1,000,000 non-dilutive bridge financing from existing shareholder.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

molten-salts-based heat transfer fluids, advanced molten salt nuclear reactors, nanofluids-based energy material, colloidal suspension, +3 more

7 terms

molten-salts-based heat transfer fluids technical

"anti-corrosive additive in molten-salts-based heat transfer fluids for advanced molten salt nucl"

Molten-salts-based heat transfer fluids are liquids made by melting certain salts so they can carry and store heat at high temperatures, similar to how radiator water moves warmth through a car but able to work much hotter. They matter to investors because they can boost efficiency and reduce fuel use in power plants, solar farms and heavy industry, affecting operating costs, project returns and technical risks like corrosion, freezing and equipment life.

advanced molten salt nuclear reactors medical

"additive in molten-salts-based heat transfer fluids for advanced molten salt nuclear reactors."

Advanced molten salt nuclear reactors are a next-generation type of nuclear plant that uses hot, salty liquid to carry heat from the nuclear reaction instead of solid metal pipes and water. Think of it like a pot of hot liquid that moves heat more safely and efficiently, which can reduce waste, improve safety, and enable continuous power generation. For investors, they matter because they promise long-term, low-carbon baseload electricity but also come with high development costs, regulatory hurdles, and multi-year payback timelines.

nanofluids-based energy material technical

"Technology will develop a nanofluids-based energy material, engineered colloidal suspension of hol"

A nanofluids-based energy material is a substance that mixes tiny engineered particles (nanoparticles) into a liquid to improve how it stores, transfers or generates energy—like adding spices to oil to change its flavor. Investors care because these materials can make batteries, solar collectors, and cooling systems smaller, faster or more efficient, which can lower costs, extend product life and create competitive advantages in energy technologies.

colloidal suspension technical

"nanofluids-based energy material, engineered colloidal suspension of hollow carbon nanoparticles i"

A colloidal suspension is a mixture where tiny solid or liquid particles are evenly dispersed throughout another liquid but do not dissolve, like milk or fog. For investors, it matters because the size and stability of those particles affect how a product behaves—impacting drug delivery, shelf life, manufacturing consistency and regulatory review—so changes in formulation or production can materially influence a company’s costs, approvals and marketability.

small modular nuclear reactors technical

"critical for reducing costs, increasing safety, and accelerating the commercialization of small mo"

Small modular nuclear reactors are compact, factory-built versions of full-size nuclear power plants designed to be shipped to a site and assembled in modules, like adding blocks to increase capacity gradually. They matter to investors because they can reduce initial construction time and cost and provide long-term, predictable electricity revenues, while also exposing projects to regulatory, construction and waste-management risks that affect returns.

electrochemical graphitization in molten salts technical

"R&D 100 Award in partnership with Oak Ridge National Laboratory (ORNL), for innovation in Electroch"

A production method that converts various carbon materials into high-quality graphite by running an electric current through them while they sit in a heated, liquid salt bath. Think of it like reshaping and purifying carbon with an electrical 'oven' that encourages the atoms to line up into the orderly layers that make graphite. Investors care because this technique can lower costs, improve battery-grade graphite supply, and affect the economics and scalability of electric vehicle and energy-storage supply chains.

electrochemical manufacturing technical

"a grant to advance research and development of Electrochemical Manufacturing of High-Performance G"

Electrochemical manufacturing uses electricity to drive chemical reactions that create or transform materials—think of using a controlled electric current like a tool that assembles molecules rather than heat or mixing. It matters to investors because it can change production costs, scale and environmental footprint for products such as batteries, green chemicals and metal coatings; improvements can boost profits, reduce supply-chain risks and meet tightening sustainability rules.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Grant Proceeds Will Accelerate Research Into Anti-Corrosive Additives in Molten-Salts-Based Heat Transfer Fluids For Nuclear Reactors.

DALLAS, Dec. 29, 2025 /PRNewswire/ -- Solidion Technology Inc. ("Solidion" or the "Company") (Nasdaq: STI), an advanced battery technology solutions provider, was notified by the U.S. Department of Energy (DOE) that it has been awarded a grant to scale up the synthesis of a carbon-nanosphere material that will be used as an anti-corrosive additive in molten-salts-based heat transfer fluids for advanced molten salt nuclear reactors.

The Company previously announced that it had received the prestigious 2025 R&D 100 Award in partnership with Oak Ridge National Laboratory (ORNL), for innovation in Electrochemical Graphitization in Molten Salts (E-GRIMS) as well as a grant to advance research and development of Electrochemical Manufacturing of High-Performance Graphite Based on Biomass-Derived Carbon funded by ARPA-E, the Advanced Research Projects Agency, from their highly competitive OPEN program.

KEY HIGHLIGHTS OF SECOND DEPARTMENT OF ENERGY GRANT

• Collaboration: Research to be conducted jointly with Oak Ridge National Laboratory
• Diversification: Technology will develop a nanofluids-based energy material, engineered colloidal suspension of hollow carbon nanoparticles in conventional molten salts, to enhance heat transfer and reduce corrosion in nuclear reactors, which is critical for reducing costs, increasing safety, and accelerating the commercialization of small modular nuclear reactors such as advanced molten salt reactors.

Jaymes Winters, Chief Executive Officer of Solidion Technology, stated:

"Consecutive awards from the Department of Energy is proof positive that Solidion is not only innovative in energy storage, but energy processes, liquids and materials as well."

About Solidion Technology, Inc.

Headquartered in Dallas, Texas with pilot production facilities in Dayton, Ohio, Solidion's (NASDAQ: STI) core business includes manufacturing of  battery materials and components, as well as development and production of next-generation batteries for energy storage systems, including UPS systems serving the artificial intelligence (AI) data center market and electric vehicles for ground, aerospace, and sea transportation. Solidion holds a portfolio of over 525 patents, covering innovations such as high-capacity, silane gas free and graphene-enabled silicon anodes, biomass-based graphite, advanced lithium-sulfur and lithium-metal technologies.

For more information, please visit www.solidiontech.com or contact Investor Relations.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Solidion Technology Inc., (NASDAQ: STI) (the "Company," "Solidion," "we," "our" or "us") desires to take advantage of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995 and is including this cautionary statement in connection with this safe harbor legislation. The words "forecasts" "believe," "may," "estimate," "continue," "anticipate," "intend," "should," "plan," "could," "target," "potential," "is likely," "expect" and similar expressions, as they relate to us, are intended to identify forward-looking statements. We undertake no obligation to publicly update any forward-looking statements, whether as a result of new information, future developments or otherwise, except as may be required by law.

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SOURCE Solidion Technology, Inc.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Solidion (STI) announce on December 29, 2025 regarding DOE funding?

Solidion announced a second DOE grant to scale up synthesis of carbon-nanosphere anti-corrosive additives for molten-salts heat transfer fluids.

How will Solidion's DOE-funded research with ORNL affect STI's technology focus?

The research expands STI into nanofluids-based energy materials for molten-salt reactors to improve heat transfer and reduce corrosion.

Who is Solidion collaborating with on the DOE grant-funded project?

Solidion will conduct the research jointly with Oak Ridge National Laboratory.

What problem is the carbon-nanosphere additive designed to address for molten salt reactors?

The additive is engineered to enhance heat transfer and reduce corrosion in molten-salts-based heat transfer fluids.

Does the announcement specify the dollar value of the DOE grant to Solidion (STI)?

No, the announcement does not disclose the dollar amount of the DOE grant.

Could Solidion's DOE grant accelerate commercialization of small modular reactors?

The company said the research aims to reduce costs and increase safety, which could help accelerate commercialization of small modular and advanced molten salt reactors.