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The energy storage industry took a monumental leap forward on December 12, 2024, as Hithium introduced the groundbreaking ∞Cell N162Ah sodium-ion battery at the second Hithium Eco-Day in Beijing, China. Designed explicitly for utility-scale energy storage, this innovative battery sets a new standard with its ability to operate efficiently across a wide temperature range and deliver exceptional cycle life, high-rate discharge, and superior energy efficiency. Global sampling for the ∞Cell N162Ah is now available, with mass production slated for Q4 2025.
Sodium-ion batteries are emerging as a viable alternative to lithium-ion counterparts, particularly for large-scale energy storage. Current sodium-ion technologies follow three primary routes: layered oxide, Prussian blue/white, and polyanion chemistries. However, traditional layered oxide and Prussian blue/white technologies face challenges, including limited cycle life and reduced stability at high temperatures, making them less suitable for extensive energy storage.
Hithium’s ∞Cell N162Ah leverages polyanion technology, specifically a sodium iron ortho-pyrophosphate cathode, combined with a hard carbon anode. This approach delivers significant advantages, such as enhanced round-trip energy efficiency, excellent low-temperature performance, and a robust charge/discharge rate. These qualities position the battery as a game-changer for utility-scale storage solutions requiring longevity, reliability, and safety.
Hithium has engineered the ∞Cell N162Ah to set benchmarks in energy storage performance:
Cycle Life and Capacity Retention: At 25°C and 1P power conditions, the ∞Cell N162Ah achieves a capacity retention of 94.2% after 4,000 cycles. With optimized conditions, the battery is projected to exceed 20,000 cycles while maintaining a state of health (SOH) of 70%.
Temperature Resilience: At 45°C, the battery demonstrates remarkable durability, retaining 92.5% of its capacity after 4,000 cycles—a performance boost of over five times compared to conventional alternatives.
Safety and Reliability: Meeting and exceeding the stringent GB/T 44265 standard for utility-scale energy storage systems, the ∞Cell N162Ah has undergone rigorous safety testing. This includes drop, crush, short circuit, overcharge, over-discharge, and thermal runaway assessments. Furthermore, it complies with GB/T 31485 standards and successfully passes the nail penetration test, underlining its superior safety credentials.
Hithium’s commitment to safety shines through in the ∞Cell N162Ah’s design. Key safety features include:
Ultra-long 0V Shelf Life: After six months of 0V storage, the battery retains its full capacity without any degradation, performing as effectively as a newly manufactured unit.
No Spark Risk: Even during assembly, if the anode and cathode accidentally short-circuit, the battery eliminates risks of sparking or electric shock.
Safe Transport: The battery remains safe under extreme transportation conditions, such as crushing or overturning. There is no risk of combustion or explosion, ensuring secure handling and deployment.
Hithium’s innovative approach to sodium-ion battery development cements its position as a leader in the energy storage sector. By addressing critical challenges in large-scale energy storage, such as stability, efficiency, and safety, Hithium is unlocking the immense potential of sodium-ion technology. The company’s commitment to innovation ensures continuous advancements in energy storage solutions that meet the evolving needs of the industry.
The launch of the ∞Cell N162Ah sodium-ion battery marks a pivotal moment in utility-scale energy storage. With its state-of-the-art technology and unparalleled safety features, Hithium is paving the way for a more sustainable and efficient energy future. As the company gears up for mass production in 2025, the energy storage industry can look forward to a reliable, high-performance solution tailored to meet global energy demands.
Edit by paco