Beijing WELION New Energy Technology Co., Ltd. (WELION New Energy) is a China-based battery technology company focused on the research, development, and manufacturing of solid-state and semi-solid-state lithium batteries. Headquartered in Beijing, the company develops high–energy-density cells aimed at improving safety, performance, and longevity for next-generation electrification.
WELION’s products and technologies serve applications in electric vehicles, stationary energy storage, and other power-demanding uses. Its capabilities span materials engineering (including solid and hybrid electrolytes), cell design, pilot-scale verification, and scaling to mass production across multiple R&D and manufacturing sites in China. The company works with industry partners across the battery value chain to accelerate commercialization of advanced solid-state battery solutions.