【Solid-state Battery Concept Stocks Rally Again, with Multiple Stocks Including Tiannai Technology Hitting the Daily Limit】Tiannai Technology, Youyan Advanced Materials, China Automotive Systems, and Duofudo have all hit their daily trading limits. Funeng Dongfang, Liyuanheng, Lianying Laser, and Lanhai Huateng have surged more than 10%, while Rongbai Technology, Tiansi Materials, ENJEV, and SGYM have increased by over 5%. On the news front, Changan Automobile released an investor relations activity record announcement stating that on the afternoon of November 7th, Changan Automobile jointly announced with Tailan New Energy the official launch of separator-free solid-state lithium-ion battery technology. This is the first time in the industry to achieve the "removal of separators". While significantly enhancing the intrinsic safety of the battery cell, it has overturned the concept of infinitely stacking protective measures and achieved multiple key technological breakthroughs in solid-state lithium-ion batteries.