Solidion Technology develops a new high-capacity, low-cost anode

Solidion Technology (NASDAQ: STI) announced a new silicon-rich, high-capacity lithium-ion anode that uses an elastic rubber encapsulation to protect Si particles and the full electrode.

Rhea-AI Summary

Solidion Technology (NASDAQ: STI) announced a new silicon-rich, high-capacity lithium-ion anode that uses an elastic rubber encapsulation to protect Si particles and the full electrode.

The anode contains 45%–95% silicon by weight and is claimed to extend drone and vehicle ranges by 20%–45%. Manufacturing methods are reported to be silane-free and CVD-free, using low-cost metallurgical-grade or reclaimed silicon feedstock. Solidion cites 40+ US patents supporting the rubber protection and says its pilot plant in Dayton, Ohio is ready to scale, with plans to expand production in North America.

Positive

• Range improvement of 20%–45% for commercial drones and vehicles
• Silicon content of 45%–95% by anode weight
• Silane-free, CVD-free manufacturing using low-cost feedstock
• 40+ US patents supporting the rubber encapsulation approach
• Pilot facility ready to scale in Dayton, Ohio

Negative

• None.

Argus Dec 15 session

-11.63% close to close Open Argus

Details

News Market Reaction – STI

On Dec 15, the day this news came out, STI closed 11.63% below the previous close.

Data tracked by StockTitan Argus for the Dec 15 session.

Key Figures

Silicon content: 45%–95% by weight Range extension: 20%–45% U.S. patents (rubber tech): 40+ +5 more

Silicon content

45%–95% by weight

Si-rich anode materials composition

Range extension

20%–45%

Target driving/flying range increase for batteries using new anode

U.S. patents (rubber tech)

40+

Patents supporting rubber-protected silicon anode technology

Total patent portfolio

525+ patents

Company-wide IP including silicon anodes and advanced lithium chemistries

Current share price

$7.48

Pre-news price vs 52-week range of $2.94–$55

52-week high discount

86.4% below high

Distance from 52-week high of $55 before this announcement

200-day MA

$6.40

Pre-news 200-day moving average, with price trading above

Market cap

$55,845,967

Equity value prior to publication

Historical Context

5 past events · Latest: Nov 21

5 events

1. Nov 21

   DOE grant award

   24h Move

   +11.6%

   Awarded ARPA-E grant to advance biomass-based high-performance graphite manufacturing.

2. Nov 10

   Drone cell prototype

   24h Move

   -1.4%

   Unveiled 9.5Ah pouch cell for drones with notably high discharge stability.

3. Oct 31

   Nasdaq compliance

   24h Move

   +18.4%

   Regained compliance with Nasdaq market value listing requirements, closing deficiency process.

4. Oct 30

   Non-dilutive financing

   24h Move

   -5.5%

   Secured $1,000,000 non-dilutive bridge financing from an existing major shareholder.

5. Oct 14

   Capital strategy update

   24h Move

   +29.5%

   Committed to avoid substantially dilutive structures and focus on strategic capital partners.

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

Key Terms

anode, lithium-ion batteries, silicon particles, silane-free, +2 more

6 terms

anode technical

"developed a new breed of silicon-rich high-capacity anode for lithium-ion batteries"

An anode is the electrode in a battery, electrochemical cell, or certain medical devices where chemical reactions release electrons that flow out into a circuit; think of it as the exit door for electrical charge. For investors, anode materials and design matter because they strongly influence a product’s efficiency, lifespan, safety and manufacturing cost—key factors that affect a company’s competitive position and future revenue in industries like energy storage and electronics.

lithium-ion batteries technical

"high-capacity anode for lithium-ion batteries"

Rechargeable lithium-ion batteries are lightweight, high-energy storage cells that use lithium ions moving between electrodes to store and release electricity, like a refillable fuel tank for electronic devices and electric vehicles. Investors care because they power a wide range of products from phones to cars and grid systems, so improvements, costs, supply chain constraints, or safety issues can directly affect manufacturers’ profits, product demand, and capital expenditure plans.

silicon particles technical

"silicon particles protected by a flexible rubber to significantly extend the range"

Silicon particles are tiny pieces of the element silicon, ranging from dust-sized grains to microscopic beads, used as basic building blocks in technologies like computer chips, batteries, solar panels and some medical devices. Investors care because changes in how these particles are made, how well they perform, or how cheaply they can be sourced can affect the cost, efficiency and safety of major industries—similar to how better bricks change the quality and price of a house.

silane-free technical

"manufactured with innovative processes that are silane-free and CVD-free"

A silane-free product or process does not contain silane chemicals—silicon-based compounds often used as primers, adhesion promoters or surface treatments. For investors, this matters because excluding silanes can change safety profiles, regulatory approvals, manufacturing costs and customer demand (for example, a safer or more eco-friendly version), much like swapping a common glue additive that alters how well a product sticks, ages or meets rules.

lithium-sulfur technical

"advanced lithium-sulfur and lithium-metal technologies"

Lithium-sulfur is a type of rechargeable battery chemistry that uses lithium and sulfur to store electrical energy; it aims to deliver much higher energy per weight than conventional lithium-ion cells. Investors care because, if technical hurdles like shorter lifespan and stability are solved, these batteries could make electric vehicles and portable devices lighter, cheaper, or longer-lasting — similar to swapping a bulky gas can for a small, high-capacity tank.

lithium-metal technical

"advanced lithium-sulfur and lithium-metal technologies"

Lithium-metal is the pure, metallic form of the element lithium used as an electrode material in batteries; compared with the more common graphite or lithium‑ion designs, it can store much more energy in the same space, like swapping a small suitcase for a larger one in the same overhead bin. For investors, lithium‑metal matters because it promises higher battery range and lighter weight for electric vehicles and portable electronics, but it also brings greater technical and safety challenges that affect development costs, production timelines and regulatory approval.

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

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Recently discovered anode is composed of low-cost silicon particles protected by a flexible rubber to significantly extend the range of commercial drones

DALLAS, Dec. 15, 2025 /PRNewswire/ -- Solidion Technology, Inc. (Nasdaq: STI), an advanced battery technology solutions provider, today announced that it has developed a new breed of silicon-rich high-capacity anode for lithium-ion batteries.  

Solidion has pioneered multiple approaches to the design and production of low-cost, high-performance Si-rich anode materials, containing 45%-95% by weight of Si to extend the driving/flying ranges by 20-45%. This truly game-changing technology is based on the implementation of an elastic or flexible rubber to encapsulate Si particles and protect the entire anode electrode. These anode materials can be manufactured with innovative processes that are silane-free and CVD-free and make use of low-cost metallurgical-grade or reclaimed Si as a feedstock material.

Solidion's rubber protection technology, supported by 40+ US patents and numerous international patents, overcomes various technical and economical hurdles that have thus far impeded widespread acceptance of Si anode-based high-energy batteries. Solidion is ready to scale up the existing anode material manufacturing facility based in Dayton, Ohio and looking to expand the production in other regions of North America.

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.

 

View original content to download multimedia:https://www.prnewswire.com/news-releases/solidion-technology-develops-a-new-high-capacity-low-cost-anode-302641879.html

SOURCE Solidion Technology, Inc.

FAQ

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

What is Solidion's new anode and how much silicon does it contain (STI)?

Solidion's anode uses a rubber-encapsulated design with 45%–95% silicon by weight.

How much can Solidion's STI anode increase drone or vehicle range?

The company reports range increases of 20%–45% depending on application.

Does Solidion plan commercial production of the STI anode and where?

Yes; Solidion says its Dayton, Ohio pilot plant is ready to scale and it plans North America expansion.

What manufacturing advantages does the STI anode offer?

The anode can be made with silane-free and CVD-free processes using low-cost metallurgical or reclaimed silicon.

What intellectual property supports Solidion's STI technology?

The company cites 40+ US patents and a broader portfolio of over 525 patents.

Which markets does Solidion target with the new STI anode?

Solidion targets energy storage, AI data center UPS systems, electric vehicles, and aerospace drone applications.