Solid-state battery technology is moving closer to commercial production, with leading automakers and battery manufacturers accelerating development to improve electric vehicle (EV) performance. BYD plans to begin limited production in 2027, while Samsung SDI targets mass production in the second half of the same year. Nissan, Panasonic, and SK On are also aiming to bring the technology to market by 2029.
Unlike conventional batteries, solid-state batteries use a solid electrolyte instead of a liquid one. This technology has the potential to increase energy density, extend driving range, enable faster charging, and reduce the risk of leakage involving flammable liquid electrolytes. However, significant challenges remain, including high production costs, complex manufacturing processes, and the need for further improvements in thermal management and safety.
Meanwhile, efforts to develop international standards for solid-state batteries in EVs mark another important step toward establishing common testing and evaluation criteria. If manufacturers can successfully reduce costs and improve safety, solid-state batteries could become a key technology shaping the future of the electric vehicle industry by the end of this decade.