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Wanxiang A123 Unveils World's First Semi-Solid-State Immersion Energy Storage System, Redefining Safety Standards

On Feb. 7, 2026, Wanxiang A123 Systems Corp. hosted a global launch at Wanxiang Innovation Energy City, introducing the Star Series semi-solid-state cells and Star River Series energy storage solutions.
Wanxiang A123 argued the platform shifts to intrinsic, system-level prevention to enhance safety, using Star Series cells to address electrolyte leakage and instability.
Technical highlights include cycle life exceeding 10,000 cycles at room temperature and 7,000 cycles at 45 °C, a 10-needle puncture test on a 100 Ah semi-solid-state cell, and full immersion cooling that limits temperature variance within 2 °C.
Economically, the company says the platform reduces LCOE by approximately 15% and features an 800 V HVDC architecture for data centers and modular 5-ft containers for deployments.
The company positions the platform as a thermal safety benchmark with IP68-rated outdoor cabinet solutions and a Star River Series matrix addressing four core application scenarios, enabling predictive safety and unmanned operations.

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Wanxiang A123 Unveils World's First Semi-Solid-State Immersion Energy Storage System, Redefining Safety Standards

DETROIT, Feb. 7, 2026 /PRNewswire/ -- Wanxiang A123 Systems Corp. successfully hosted its global launch event at Wanxiang Innovation Energy City, unveiling a breakthrough energy storage platform designed to address the industry's most critical challenge: safety. Under the theme "Gathering…

1 day ago·Waterloo, United States

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