#China #Shenzhen #Energy Storage #Huawei Digital Power #CI GFM ESS

Huawei Digital Power's CI GFM ESS Achieves Success in Extreme Ignition Test

Huawei Digital Power's latest innovation, the CI GFM ESS (Commercial and Industrial Grid-Forming Energy Storage System), has made headlines by passing an intense extreme ignition test conducted by TÜV Rheinland. This test is a crucial milestone as it adheres to the newly established UL 9540A2025 standard for fire resistance in energy storage systems (ESS).

The Challenge of Extreme Testing Conditions

The ignition test was designed to challenge the federal standards of energy storage systems to the utmost. It involved a unique method of overloading a battery pack, creating a simultaneous overheating scenario across 60 battery cells. This extensive set-up provided a significantly rigorous test environment compared to conventional assessments that typically involve fewer cells.

Enhanced Testing Protocols

To ensure the test's integrity, several critical protocols were put in place:

1. Open-door Fire Testing Method: This method maximized oxygen availability to create a more realistic fire scenario.
2. Complete Charge State: All battery packs were tested at a 100% state of charge (SOC).
3. Deactivation of Fire Suppression Systems: All proactive and passive fire suppression systems were disabled, forcing the energy storage system to rely solely on its intrinsic design.

Outstanding Safety Features of the CI GFM ESS

Testing under these stringent conditions revealed remarkable safety performance, largely attributed to its five-tiered protection design:

• - Inter-cell Thermal Isolation: This feature effectively slows thermal runaway propagation between cells, serving as the first line of defense.
• - Fully Metal Housing: Capable of withstanding temperatures above 1,500°C, this design retains structural integrity even in intense fires, reducing damage.
• - Positive Pressure Oxygen Blocking: The innovative design directs combustion away from the unit, minimizing fire impact.
• - Fire-Resistant Labyrinth Design: This feature prevents flames from spreading through carefully crafted sealing surfaces.
• - Enhanced Fire Resistance of Containment: The container's strengthening ensures comprehensive fire protection.

Data-Driven Evidence of Safety

Data obtained during the testing illustrated the essence of the CI GFM ESS's reliable safety features. When the temperature of the fire soared to 961°C, the highest recorded temperature in adjacent cells remained at a mere 45.3°C, significantly below the burst disc opening threshold. The system complied fully with UL 9540A2025 specifications, demonstrating no fire propagation between units.

Moreover, the maximum heat discharge recorded was 3 MW, with total combustion duration of less than three hours before self-extinguishing. The system proved its superior thermal management capabilities even in open-door combustion scenarios.

Conclusion

The successful passing of this rigorous test underscores Huawei Digital Power's commitment to delivering robust, safe, and reliable energy storage solutions for commercial and industrial applications. As energy storage becomes increasingly vital in the transition toward greener energy solutions, the CI GFM ESS sets a new standard for safety and performance in the industry. This achievement is a testament to Huawei’s dedication to innovation in energy technology.