Group 1 - Tianhua New Energy's stock surged to 23.81 yuan, up 20% from the previous trading day, with a trading volume exceeding 2 billion yuan and a turnover rate of 15% [1] - The market's interest in Tianhua New Energy is primarily driven by its technological breakthroughs in solid-state battery materials, particularly in lithium sulfide, which has received positive feedback from leading companies in the field [3] - Solid-state batteries are recognized as a significant development direction for next-generation battery technology, with a promising application landscape in electric vehicles, low-altitude flying devices, and consumer electronics [3] Group 2 - Major players like CATL, Guoxuan High-Tech, and EVE Energy have recently announced advancements in solid-state batteries, with CATL expecting small-scale production by 2027 and EVE Energy launching its all-solid-state battery production base in Chengdu [4] - EVE Energy's all-solid-state battery has achieved an energy density of 300 Wh/kg and a volume energy density of 700 Wh/L, targeting high-end applications such as humanoid robots and low-altitude flying devices [4]