20cm速递｜创业板新能源ETF国泰（159387）涨超2.5%，固态电池产业化进程引关注

Group 1 - The all-solid-state battery industry is accelerating its commercialization, with major battery manufacturers increasing investments, expecting small-scale production by 2027 and large-scale application around 2030 [1] - Sulfide electrolyte routes are becoming the mainstream direction for all-solid-state batteries, with ionic conductivity nearing that of liquid lithium batteries [1] - Lithium sulfide, a key raw material, currently has high costs and significant mass production barriers, requiring a purity of over 99.9%, with solid-state methods being the mainstream process [1] Group 2 - The industry anticipates that all-solid-state batteries will begin to be installed in vehicles by 2026, with emerging fields such as eVTOL and robotics creating additional marginal demand [1] - The composite use of sulfide electrolytes with halide and other materials may represent a future technological development direction [1] - The Guotai New Energy ETF (159387) tracks the Innovation Energy Index (399266), which can experience daily fluctuations of up to 20%, focusing on innovative companies in the renewable energy sector [1]