E-Power Subsidiary Awarded Key Patent for Advanced Silicon-Carbon Composite Materials, Strengthening Solid-State Battery Innovation
Rhea-AI Summary
E-Power (NASDAQ: EPOW) announced on May 7, 2026 that its subsidiary received Patent No. CN2024105182226 for a "Preparation Method for a Double-Layer Coated Silicon-Carbon Composite Material." The patent covers a double-layer coating process intended to improve silicon-carbon anode stability and longevity for solid-state batteries in Guizhou Province.
This authorization establishes a technical basis for industrial-scale production of key solid-state battery materials and supports E-Power's strategy to integrate advanced battery materials with AI data-center microgrid solutions.
Positive
- Patent grant: CN2024105182226 on May 7, 2026
- Technology: double-layer coated silicon-carbon composite method
- Industrialization: supports local production in Guizhou Province
- Strategic fit: aligns materials with AI microgrid product ecosystem
Negative
- None.
Key Figures
Market Reality Check
Peers on Argus
Sector peers showed mixed, mostly modest moves (e.g., DFLI +4.46%, FLUX +3.1%, CCTG -2.63%, OESX -3.3%), while EPOW fell 19.21%, indicating a stock-specific reaction rather than a broad industry move.
Historical Context
| Date | Event | Sentiment | Move | Catalyst |
|---|---|---|---|---|
| May 06 | Microgrid agreement | Positive | -19.2% | Announced three-phase microgrid deal with total CAPEX of $252 million. |
| May 05 | AI hiring update | Positive | -4.2% | Onboarded veteran engineering team to advance AI data center power solutions. |
| Mar 27 | Strategic partnership | Positive | +17.0% | Allied with Raytel to launch 800G and 1.6T optical modules for AI centers. |
| Mar 25 | Vietnam expansion | Positive | +28.9% | Disclosed plans for an “ex-China” anode material supply chain in Vietnam. |
| Feb 13 | Supply contract | Positive | +27.4% | Secured long-term contract and intent for 30,000‑tonne anode plant in Indonesia. |
Recent strategic and growth-oriented announcements often aligned with strong gains, but the last two positive updates coincided with notable declines, suggesting increasing divergence between upbeat news flow and short-term price reactions.
Over the last few months, E-Power has reported multiple growth catalysts, including a $252 million multi-phase microgrid agreement on May 06, 2026 and AI-focused engineering hires on May 05, 2026, both followed by declines. Earlier, partnership, expansion, and supply agreements in March and February 2026 saw strong positive reactions. Today’s patent grant adds to this string of technological milestones against a backdrop of increasingly volatile price responses.
Market Pulse Summary
This announcement adds a granted patent on double-layer coated silicon-carbon composites to E-Power’s push into solid-state battery materials and AI data center power solutions. Combined with recent multi-hundred-million-dollar microgrid agreements and international anode expansion, it reinforces a technology-heavy growth narrative. Investors may watch how this intellectual property translates into industrial-scale production, customer wins, and capacity utilization against prior commitments in Indonesia and Vietnam, as well as ongoing board and governance changes noted in recent filings.
Key Terms
microgrid technical
solid-state batteries technical
anode material technical
AI-generated analysis. Not financial advice.
DOVER, USA, May 07, 2026 (GLOBE NEWSWIRE) -- E-Power Inc. (“E-Power”, the “Company”, “we” or “our”) (NASDAQ: EPOW), a leading provider of AI Data Center (AIDC) microgrid solutions and advanced battery materials, today announced the successful registration and patent grant for a groundbreaking invention: "A Preparation Method for a Double-Layer Coated Silicon-Carbon Composite Material" (Patent No: CN2024105182226).
The granting of this patent represents a significant milestone in E-Power’s development of cutting-edge silicon-carbon composite coating technologies. It establishes a robust technical foundation for the industrial-scale production of key materials required for next-generation solid-state batteries in Guizhou Province.
Advancing Solid-State Battery Performance
Silicon-carbon composite materials are widely recognized as the critical anode material for achieving the high energy densities required by solid-state batteries. By securing this patent, E-Power is positioned at the forefront of material science innovation, addressing the technical challenges of battery stability and capacity.
- Double-Layer Coating Innovation: The patented method utilizes a sophisticated double-layer coating process to enhance the performance and longevity of silicon-carbon composites.
- Industrialization Milestone: This authorization serves as a catalyst for the localized industrial development of solid-state battery components, injecting new momentum into the regional high-tech material sector.
Commitment to Strategic Innovation
This achievement underscores E-Power’s commitment to building a comprehensive energy ecosystem, ranging from advanced battery materials to AI-driven computing infrastructure. The integration of E-Power’s material breakthroughs supports the company’s broader mission to power the future of both transportation and technology.
"The authorization of this invention patent is not only a validation of our R&D capabilities but also a critical step toward the commercialization of solid-state battery materials," said Mr. Haiping Hu, Chairman of E-Power. "We are dedicated to transforming these technological advantages into industry-leading products that meet the surging global demand for high-density energy storage."
About E-Power Inc.
E-Power Inc., through its joint venture, is engaged in the manufacturing and sale of graphite anode material for lithium-ion batteries. The Company's joint venture has completed the construction of a manufacturing facility with a production capacity of 50,000 tons .The plant runs on inexpensive electricity from renewable sources, which helps to make E-Power a low-cost and low–environmental-impact producer of graphite anode material. Mr. Haiping Hu, the founder and CEO of the Company, is a major pioneer for the graphite anode industry in the world starting from 1999. The Company’s management team is also composed of experts with years of experiences and strong track-records of success in the graphite anode industry. For further information, please visit the Company’s website at www.sunrisenewenergy.com.
Forward-looking statement
Certain statements in this press release regarding the Company's future expectations, plans and prospects constitute forward-looking statements as defined by Private Securities Litigation Reform Act of 1995. Forward-looking statements include statements about plans, goals, objectives, strategies, future events, expected results, assumptions and any other factual statements that have not occurred. Any words that refer to "may", "will", "want", "should", "believe", "expect", "expect", "estimate", "estimate" or similar non-factual words, shall be regarded as forward-looking statements. Due to various factors, the actual results may differ materially from the historical results or the contents expressed in these forward-looking statements. These factors include, but are not limited to, the company's strategic objectives, the company's future plans, market demand and user acceptance of the company's products or services, technological updates, economic trends, the company's reputation and brand, the impact of industry competition, relevant policies and regulations, China's macroeconomic conditions, international market conditions, and other related risks and assumptions. In view of the above and other related reasons, we advise investors not to blindly rely on these forward-looking statements, and we urge investors to visit the SEC’s website to consult the company's relevant documents for other factors that may affect the company's future operating results. The company is under no obligation to make public amendments to changes in these forward-looking statements due to specific events or reasons unless required by law.
For more information, please contact:
The Company: IR Department
Email: IR@sunrisenewenergy.com
Phone: +1 4084890472