The Global Sodium Battery Aluminum Foil Market was valued at USD 1,389 Million in 2025 and is projected to reach USD 5,354 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 21.8% during the forecast period. This exceptional growth is driven by the rapid industrialization of sodium-ion battery technology, persistent high costs of lithium raw materials, and the expanding application of sodium batteries in electric vehicles and large-scale energy storage systems.

As the energy storage industry pivots towards more sustainable and cost-effective alternatives, the critical role of specialized materials comes to the fore. Sodium battery aluminum foil, serving as a dual-purpose current collector for both anodes and cathodes, is a cornerstone of this transition. In this blog, we profile the Top 10 Companies in the Sodium Battery Aluminum Foil Industry—a dynamic mix of global aluminum giants and specialized material innovators shaping the future of next-generation batteries.

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🔟 1. Showa Denko K.K. (SDK)

Headquarters: Tokyo, Japan
Key Offering: High-Purity Aluminum Foil for Sodium-Ion Battery Electrodes

Showa Denko, now part of Resonac Holdings Corporation following a merger, is a leading global supplier of advanced aluminum products. The company leverages decades of expertise in producing ultra-thin, high-purity aluminum foil for the lithium-ion battery industry, which it has adeptly applied to the emerging sodium-ion sector. Their foils are known for exceptional surface quality and uniformity, which are critical for achieving high battery performance and longevity.

Innovation Initiatives:

• Development of proprietary surface treatment technologies to enhance foil adhesion with electrode materials.

• Strategic R&D focus on foil alloys optimized for electrochemical stability in sodium-based electrolytes.

• Active partnerships with leading battery manufacturers and research institutions to co-develop next-generation foil specifications.

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9️⃣ 2. UACJ Corporation

Headquarters: Tokyo, Japan
Key Offering: Precision Aluminum Foil for Energy Storage Applications

UACJ Corporation is one of the world’s premier aluminum manufacturers, with a strong focus on rolled products for high-tech applications. The company’s foil division produces specialized current collectors that meet the stringent demands of sodium-ion battery producers. UACJ’s strength lies in its integrated production process, from smelting to precision rolling, ensuring consistent quality and supply chain reliability.

Innovation Initiatives:

• Investment in advanced rolling mill technology to produce foils with thicknesses down to 8 micrometers and below.

• Focus on developing foil products that enable higher energy density and faster charging capabilities in sodium batteries.

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8️⃣ 3. Jiangsu Dingsheng New Materials Joint-Stock Co., Ltd.

Headquarters: Zhenjiang, Jiangsu, China
Key Offering: Aluminum Foil for Li-Ion and Na-Ion Batteries

Jiangsu Dingsheng New Materials is a major Chinese producer of aluminum foil for battery applications. The company has quickly positioned itself as a key supplier for the burgeoning sodium-ion battery market in Asia, leveraging its extensive production capacity and cost-effective manufacturing. It supplies foil to several prominent battery cell manufacturers piloting and scaling sodium-ion technology.

Innovation Initiatives:

• Rapid expansion of production capacity dedicated to battery foil to capitalize on market growth.

• Development of cost-competitive foil solutions tailored for the energy storage battery segment, where sodium-ion technology is gaining significant traction.

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Sodium Battery Aluminum Foil Market – View in Detailed Research Report

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7️⃣ 4. Toyo Aluminium K.K.

Headquarters: Osaka, Japan
Key Offering: Ultra-Thin Aluminum Foil for Current Collectors

Toyo Aluminium is a specialized manufacturer with a strong reputation for high-quality aluminum foil and powder products. The company’s expertise in producing extremely thin and defect-free foils makes it a valuable partner for battery makers seeking to maximize energy density. Their products are designed to withstand the rigors of the electrode coating process and the electrochemical environment within sodium-ion cells.

Innovation Initiatives:

• Pioneering research into foil surface morphology to improve the interface between the current collector and active materials.

• Commitment to reducing pinhole defects and ensuring batch-to-batch consistency for reliable battery manufacturing.

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6️⃣ 5. LOTTE ALUMINIUM

Headquarters: Seoul, South Korea
Key Offering: Battery Foil for Anode and Cathode Applications

LOTTE ALUMINIUM, part of the South Korean LOTTE Group, is a significant player in the Asian market for advanced materials. The company produces aluminum foil that meets the specific conductivity and corrosion resistance requirements for sodium-ion batteries. Its strategic location within a major battery manufacturing hub provides a competitive advantage in serving key customers.

Innovation Initiatives:

• Focus on supplying the domestic Korean battery industry as it explores sodium-ion alternatives to lithium.

• Investment in quality control systems to ensure foil products meet the high standards of top-tier battery manufacturers.

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5️⃣ 6. North China Aluminium Co., Ltd.

Headquarters: Henan, China
Key Offering: Aluminum Foil for Power and Energy Storage Batteries

North China Aluminium is a prominent Chinese manufacturer with a focus on aluminum processing. The company has recognized the potential of the sodium-ion battery market and is actively developing and supplying aluminum foil for this application. Its large-scale production capabilities allow it to compete effectively on cost, which is a critical factor for the widespread adoption of sodium-ion technology.

Innovation Initiatives:

• Scaling up output of foil in the 6-8 µm thickness range, which is widely used in current sodium-ion battery designs.

• Engaging in technical collaborations to tailor foil properties for specific cathode and anode chemistries used in sodium batteries.

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4️⃣ 7. Nippon Graphite Industries, Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: Specialized Conductive Materials and Foils

While renowned for its graphite products, Nippon Graphite also brings material science expertise to the development of components for next-generation batteries. The company explores advanced foil technologies and composite materials that can enhance the performance of sodium-ion batteries. Their approach often involves value-added solutions beyond standard foil production.

Innovation Initiatives:

• Research into coated and treated aluminum foils to reduce interface resistance and improve battery efficiency.

• Leveraging knowledge of carbon materials to develop innovative current collector solutions.

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3️⃣ 8. Yong Jie New Material Co., Ltd.

Headquarters: Zhejiang, China
Key Offering: Aluminum Foil for New Energy Batteries

Yong Jie New Material is a Chinese specialist in aluminum foil production for various industrial applications, with a growing focus on the new energy sector. The company supplies foil to battery manufacturers and is adapting its products to meet the specifications required for sodium-ion technology. Its agile manufacturing approach allows it to respond quickly to evolving market demands.

Innovation Initiatives:

• Focus on producing foils with high tensile strength and purity to ensure reliability in battery operations.

• Expanding market presence by catering to the cost-sensitive segments of the sodium-ion battery supply chain.

Download FREE Sample Report:
Sodium Battery Aluminum Foil Market – View in Detailed Research Report

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2️⃣ 9. Shandong Nanshan Aluminum Co., Ltd.

Headquarters: Longkou, Shandong, China
Key Offering: Integrated Aluminum Products including Battery Foil

Shandong Nanshan Aluminum is a vertically integrated aluminum producer with capabilities spanning from alumina refining to the manufacturing of high-end fabricated products. This integration provides control over raw material quality and cost, which is beneficial for producing competitive battery foil. The company is investing in the precision rolling technology needed to serve the advanced battery market.

Innovation Initiatives:

• Utilizing in-house aluminum smelting to ensure a consistent supply of high-purity aluminum for foil production.

• Strategic goal to become a leading domestic supplier of key materials for China’s new energy vehicle and storage industries.

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1️⃣ 10. Xiashun Holdings Ltd.

Headquarters: Foshan, Guangdong, China
Key Offering: Thin-Gauge Aluminum Foil

Xiashun is a specialized manufacturer of aluminum foil with a strong focus on thin-gauge products. The company’s expertise is highly relevant for the sodium battery sector, where foil thickness directly impacts battery energy density and performance. Xiashun’s production lines are capable of manufacturing the precise, ultra-thin foils required by modern battery technologies.

Innovation Initiatives:

• Continuous improvement in rolling and annealing processes to achieve superior foil flatness and mechanical properties.

• Active participation in the supply chains for both consumer electronics batteries and larger-format energy storage systems.

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Sodium Battery Aluminum Foil Market – View in Detailed Research Report

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🔋 Outlook: The Future of Sodium Battery Aluminum Foil Is High-Performance and Scalable

The sodium battery aluminum foil market is at the forefront of a major energy storage transformation. While the technology builds upon existing lithium-ion manufacturing principles, the unique requirements of sodium chemistry are driving innovation in foil design and production. The industry is investing heavily in advanced material science, precision manufacturing technologies, and expanded production capacity to support the anticipated boom in sodium-ion battery deployment.

📈 Key Trends Shaping the Market:

• Accelerated capacity expansion by foil producers in China, Japan, and South Korea to meet projected demand.

• Technological push towards ultra-thin foils (below 10 µm) to enable higher energy density battery cells.

• Growing emphasis on foil surface engineering and coatings to improve electrochemical performance and battery cycle life.

• Strategic partnerships between foil suppliers and battery cell manufacturers to co-develop customized solutions.

Get Full Report Here:
Sodium Battery Aluminum Foil Market – View in Detailed Research Report

The companies listed above are not only supplying a critical component—they are enabling the cost-effective and scalable future of grid storage and electric mobility.