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Project name: Case Study: SolarEast Sodium-Ion ESS Conquers -25°C in Xinjiang EV Charging Station

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Introduction: The Ultimate Cold-Weather Test

While the world discusses the potential of sodium-ion technology, SolarEast is delivering it to the harshest environments on Earth. Recently, our team received on-site photos from a client in Xinjiang, China, where a SolarEast 60kW/126kWh Liquid-Cooled Sodium-Ion Battery Cabinet has been successfully deployed.

 

The system is currently operating at an EV charging station in a landscape buried under thick snow, with ambient temperatures plummeting to -25°C. This installation serves as a powerful validation of why SolarEast is a leader in the next generation of energy storage.


Case Study: SolarEast Sodium-Ion ESS Conquers -25°C in Xinjiang EV Charging Station


SolarEast: A Professional C&I Energy Storage Manufacturer

As a dedicated energy storage system factory and integrator, SolarEast doesn't just assemble parts; we engineer solutions. Our manufacturing facility focuses on:

  • R&D Excellence: Developing advanced BMS (Battery Management Systems) specifically tuned for sodium-ion chemistry.

  • Precision Manufacturing: Our factory produces high-integration cabinets that combine safety, thermal management, and power conversion in a plug-and-play format.

  • Global Supply Chain: Providing a reliable, lower-cost alternative to lithium-ion for global C&I and utility-scale projects. 


Why Sodium-Ion for Xinjiang’s Extreme Cold?

In regions like Xinjiang, traditional Lithium-ion (LFP) batteries often struggle. At -20°C, LFP batteries can experience significant capacity fade and charging difficulties. SolarEast’s Na-ion ESS was chosen for this project due to three critical factors: 

  • Exceptional Low-Temperature Discharge: Sodium-ion cells maintain over 90% capacity retention at -20°C, ensuring the EV charging station remains operational even in mid-winter.

  • Safety in Stability: Na-ion chemistry is inherently more stable, reducing the risk of thermal runaway—a vital feature for public-facing EV charging hubs.

  • Cost-Efficiency: As a manufacturer, SolarEast leverages the abundance of sodium to provide a price-stable energy solution that isn't vulnerable to lithium's market volatility.


Project Spotlight: 60kW/126kWh Liquid-Cooled Cabinet

This specific installation in Xinjiang highlights the technical prowess of our liquid-cooled series.

FeatureSpecification
System ModelSolarEast Liquid-Cooled Na-ion Cabinet
Rated Capacity126kWh (Scalable to 261kWh+ configurations)
Cell ChemistryAdvanced Sodium-ion (Na+)
Thermal ManagementActive Liquid Cooling (Precise temperature control)
Operating Environment-25°C Snow & Ice (Xinjiang Site)
ApplicationPeak Shaving & EV Charging Support
Protection RatingIP54 Outdoor Rated



Empowering EV Infrastructure with C&I Storage

This project demonstrates the perfect synergy between SolarEast storage and EV charging infrastructure. By placing a 126kWh sodium-ion cabinet next to the chargers:

  • Peak Shaving: The station reduces demand charges by discharging during peak hours.

  • Grid Stability: The ESS buffers the impact of high-power EV charging on the local grid.

  • Reliability: EV owners can charge with confidence, knowing the "Energy Heart" of the station is immune to the freezing cold.


Conclusion: Leading the Sodium-Ion Revolution

From our factory floor to the frozen plains of Xinjiang, SolarEast is proving that the future of energy storage is salty, safe, and sustainable. As a premier C&I energy storage manufacturer, we are ready to help businesses worldwide transition to resilient energy systems that perform when it matters most.

Looking for a reliable sodium-ion storage partner? [Contact SolarEast today] to learn more about our manufacturing capabilities and how our Na-ion solutions can power your next project.


Previous page: Project Case Study: 2MWh Smart C&I LiFePO4 Lithium Battery Storage for Manufacturing in Poland Next page: High-Performance Server Rack LiFePO4 ESS Battery Solutions: A SolarEast BESS Case Study

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