Sodium-Ion Batteries
Safe, Sustainable and Cost-Efficient Energy Storage Solutions
Overview
Interberg Sodium-Ion Batteries represent the next generation of energy storage for stationary and industrial applications. Based on the movement of sodium ions between electrodes, their operating principle is similar to lithium-ion technology, while relying on abundant, non-critical raw materials and offering enhanced safety and thermal stability.
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Designed for energy storage systems (ESS), UPS, grid support and industrial power applications, sodium-ion technology complements existing battery chemistries by providing a robust, cost-competitive and future-proof alternative where energy density is not the primary constraint.
Why Sodium-Ion Technology
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Abundant and low-cost raw materials
Sodium is widely available worldwide, reducing dependency on critical or geopolitically sensitive resources.
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Enhanced safety profile
High overcharge tolerance, improved thermal stability and reduced risk of thermal runaway.
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Excellent low-temperature performance
Reliable operation in cold environments where lithium-based batteries may suffer capacity loss.
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High charge and discharge capability
Suitable for applications requiring high C-rate performance.
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Lower long-term cost potential
As production volumes increase, sodium-ion battery costs are expected to decrease significantly, potentially becoming lower than LFP in large-scale deployments.
Sodium and lithium are adjacent elements in the periodic table and share similar electrochemical behavior. However, sodium offers several structural advantages that make it particularly attractive for large-scale and stationary energy storage.
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Sodium-Ion vs. Lithium-Ion: A Complementary Approach
Sodium-ion batteries are not intended to replace lithium-ion in all applications, but to complement it.
Aspect
Sodium-Ion Batteries
Energy Density
Moderate
Safety
Very high
Low-Temperature Performance
Excellent
Raw Material Availability
Very high
Cost Stability
Best Use Case
High
Stationary ESS, UPS, grid support
Lithium-Ion Batteries
High
High
Limited
Limited
Subject to volatility
​EVs, portable devices
Conclusion:
Sodium-ion technology is ideal where safety, cost stability and sustainability are more critical than maximum energy density.
Technical Highlights
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Cathode: Copper-Iron-Manganese layered oxide
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No precious metals
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High structural stability
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Anode: Anthracite-based amorphous carbon
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Graphite-free
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Stable supply and low cost
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Current collectors:
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Aluminum foil for both electrodes, reducing material cost
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Over-discharge tolerance:
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No permanent damage after deep discharge
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Operating temperature range:
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Superior performance at low temperatures
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Product Formats & Configurations
Interberg Sodium-Ion Batteries are available in multiple industrial formats to support a wide range of applications:
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Prismatic cells – large-scale ESS and grid applications
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Cylindrical cells – compact systems and modular assemblies
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Blade and custom formats – residential, commercial and industrial systems
All products can be integrated into rack-based systems, containerized ESS and UPS architectures.
Sustainability & Future Readiness
Sodium-ion batteries support the transition toward a more resilient and sustainable energy ecosystem:
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Reduced environmental impact from raw material extraction
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Lower dependency on critical minerals
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Long-term supply security
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Alignment with circular economy principles
As industrialization advances, sodium-ion technology is positioned to play a key role in the future of stationary energy storage.
Interberg Commitment
Interberg develops and supplies sodium-ion battery solutions under the same quality, safety and engineering standards applied across all our energy storage technologies.
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Our team supports customers from technology selection and system design to integration and long-term operation, ensuring the right battery chemistry for each application.
Contact & Technical Support
Looking for sodium-ion batteries for your next project?
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📩 Contact our technical team: contact@interberg.com
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We will help you evaluate whether sodium-ion technology is the right solution for your application.
