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Definition: semi-solid state battery


An electric vehicle battery that uses both solid and gel-like electrolytes. Semi-solid state batteries provide electric vehicles with a range of 600 and more miles compared with 250 to 400 miles using traditional lithium ion batteries.

Beijing-based WeLion New Energy Technology introduced the technology in 2023 and plans to quadruple manufacturing in China by 2025. WeLion batteries are also used in drones, robots and medical devices. See solid state battery.