The solid-state battery sector has recently experienced a flurry of encouraging developments. Since September, multiple A-share listed companies—such as Zhuhai CosMX Battery Co., Ltd., EVE Energy Co., Ltd., Wuxi Lead Intelligent Equipment Co., Ltd., and Guoxuan High-Tech Co., Ltd.—have unveiled their latest advancements in solid-state battery technology. Owing to their exceptional safety features and high energy density, solid-state batteries are widely recognized as a pivotal technology for mitigating fire risks in new energy vehicles and easing range concerns in humanoid robots and low-altitude aircraft. At present, the solid-state battery industry is shifting from laboratory validation to full-scale industrialization, with policy and financial incentives playing a crucial role in expediting this transition. Nevertheless, the stringent environmental demands of solid-state batteries continue to pose challenges for everyday use, and large-scale production is still some time off.