26 February 2025

Sumitomo Electric is pleased to introduce its advanced vanadium redox flow battery (VRFB) at Energy Storage North America (ESNA), held at the San Diego Convention Center from February 25–27, 2025. This next-generation energy storage system is designed to enhance large-scale energy storage with greater longevity, improved energy density and increased cost efficiency. Additionally, the VRFB improves economical effectiveness through advancements in material development and optimized system design.

The new VRFB offers the following key improvements:
・15% Higher Energy Density
　The system achieves a 15% increase in energy density, reducing the physical footprint, which contributes to greater space efficiency.

・30% Cost Reduction
　Through optimized system design, improved electrolyte circulation control, and enhanced manufacturing processes, the new VRFB reduces overall costs, making it a more economical choice for large-scale energy storage projects.

・Up to 30-Year Operational Life
　By developing long-life materials and ensuring proper maintenance, the VRFB offers an operational lifespan of up to 30 years. This enhances long-term cost effectiveness.

At ESNA, visitors will have the opportunity to explore real-world deployment examples and gain insights into how Sumitomo Electric’s VRFB technology supports Long Duration Energy Storage (LDES) applications. Visit Booth #2649 to explore the product’s capabilities and discuss potential applications with our experts.

Sumitomo Electric will begin accepting orders for the new VRFB in 2025. This development builds on Sumitomo Electric’s decades of expertise in vanadium redox flow battery (VRFB) technology, reinforcing its leadership in sustainable energy storage solutions.


Energy Storage North America 2025

(References)
About vanadium redox flow battery
https://sumitomoelectric.com/products/flow-batteries

Sumitomo Electric Group Future Building Magazine "id" Vol.19:
Supporting Renewable Energy The Mission of Redox Flow Energy Storage Batteries
https://sumitomoelectric.com/id/project/v19/01