en.Wedoany.com Reported - On June 22, CATL held the TENER 2026 Global Launch in Germany Munich, unveiling the world's first station-level sodium-ion battery energy storage solution and launching the evidence-based sodium-ion energy storage system, TENER Sodium. CATL will deliver its first batch of sodium-ion battery energy storage systems in the Chinese market in September this year, achieve a full-year shipment of 1 GWh by the end of 2026, and commence global market deliveries in June next year. This marks the official entry of the sodium-ion battery industry into a new phase of GWh-scale application.
Wu Dianfeng, Chief Technology Officer of CATL's Energy Storage Business Division and Director of the Energy Storage Technology Center, stated that sodium resources are abundant worldwide, with characteristics such as a wide temperature range and long lifespan, forming two cornerstones of the next-generation energy storage system alongside lithium.
"A truly good energy storage system must not only be economically viable today but also capable of addressing tomorrow's uncertainties," said Xu Jinmei, Chief Technology Officer of CATL's Energy Storage Business Division and President of the Energy Storage Europe Business Unit. She noted that the TENER Sodium energy storage system is designed to deliver visible certainty for energy storage investors.
According to reports, a single unit of the TENER Sodium energy storage system can achieve a maximum energy capacity of over 30 MWh, adopting a fully modular design concept that separates the energy compartment from the power compartment. This system requires only 34 units for a 1 GWh station, significantly simplifying engineering deployment. Additionally, the system offers greater configuration flexibility, with decoupled energy and power, supporting flexible configurations for 1, 2, 4, 6, and 8-hour storage durations. Faulty modules can be quickly isolated and replaced independently, significantly improving the station's online rate and reducing operation and maintenance costs.
The TENER Sodium energy storage system boasts an ultra-long cycle life of 15,000 cycles at 25°C, a capacity retention rate exceeding 92% at -20°C, and a cycle life of over 10,000 cycles at 45°C. Compared to lithium iron phosphate batteries, the sodium material system of TENER Sodium energy storage reduces expansion force by 40%, lowers surface temperature by 60% during thermal runaway, decreases gas production by 35%, raises the overcharge SOC critical point to 140%, and significantly reduces the probability of thermal runaway. The system features extremely low auxiliary power consumption, and its unique top air outlet design reduces system heat generation by nearly 30% compared to traditional solutions. Furthermore, the TENER Sodium energy storage operates at a noise level of only 65 decibels, making it flexibly adaptable to noise-sensitive scenarios such as urban and residential areas.
Meanwhile, the TENER Sodium energy storage is the world's first evidence-based sodium-ion battery energy storage system. Evidence-based means it does not rely on a single parameter but uses full-scale, entire-station testing units, undergoing systematic validation under conditions closest to real-world scenarios, environments, power grids, and operating conditions. This evidence-based capability comes from CATL's Xiamen Evidence-Based Energy Storage Technology Research Institute, which has invested approximately 3 billion RMB.
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