碘离子固态电池技术突破，性能和安全性双提升

Group 1 - The core breakthrough in solid-state lithium batteries involves the introduction of iodine ions into sulfide electrolytes, which enhances the solid-solid interface contact and improves battery performance [1] - The prototype battery demonstrated a capacity retention rate of 90.7% after 2400 cycles at a current density of 1.25mA/cm², significantly exceeding industry benchmarks [1] - Solid-state batteries are expected to achieve energy densities exceeding 500Wh/kg, potentially doubling the range of electric vehicles while eliminating the risk of liquid electrolyte leakage [1] Group 2 - Solid-state batteries are positioned as the next-generation power battery, with advantages in energy density, inherent safety, and extended cycle life (8000-10000 cycles), accelerating the replacement of traditional lithium-ion batteries [1] - Global leading companies are planning to achieve small-scale production of solid-state batteries by 2027, with large-scale application expected by 2030 [1] - China is projected to capture 40% of the global market share in solid-state batteries due to policy support, technological reserves, and advantages in the industrial chain [1] Group 3 - By 2030, global solid-state battery shipments are expected to reach 614.1GWh, with a market size exceeding 250 billion yuan [2] - China, as the largest single market, is anticipated to have an annual market size of 116.3 billion yuan, with a compound annual growth rate of 42% [2] Group 4 - Relevant A-share concept stocks include companies such as Dangsheng Technology and Boyuan Co., Ltd. [3]