China''s first large-scale lithium-sodium hybrid energy storage station
Combining high-performance sodium batteries with mature lithium technology enhances the station''s energy regulation capacity, CCTV News reported.
Baochi Energy Storage Station, China's first large-scale lithium-sodium hybrid energy storage station, starts operations in Southwest China's Yunnan Province on May 25, 2025. Photo: CCTV News China's first large-scale lithium-sodium hybrid energy storage station began operations on Sunday in Southwest China's Yunnan Province.
Compared with current mainstream lithium-ion battery storage, the newly launched lithium-sodium hybrid energy storage station - Baochi Energy Storage Station - offers a longer cycle life and operation in a wide temperature range from -20 C to 45 C, according to Science and Technology Daily.
It adjusts the frequency based on changes in the output active power, eliminating the need for mutual coordination among units, Tianyu Zhang et al. Simulation and application analysis of a hybrid energy storage station in a new power system 557 resulting in simple and reliable control with a fast response.
Utilizing hybrid ESSs with the two types of energy storage converters can simultaneously harness the advantages of both systems, serve the needs of a large power grid, and may be used in future substation installations.
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