重磅消息！中科院突破固态电池核心技术：可承受2万次弯折，能量密度有望提升86%【附固态电池行业市场分析】

Core Insights - A breakthrough in solid-state battery technology has been achieved by a research team from the Chinese Academy of Sciences, addressing key challenges such as high interfacial impedance and low ionic conductivity [2] - Solid-state batteries are considered the "holy grail" of next-generation energy storage due to their high energy density and safety [2][3] - The new design concept of "molecular-scale interfacial integration" has been proposed, leading to the development of novel materials that enhance ionic transport and energy storage capabilities [2] Group 1: Technological Advancements - The research introduces a new material that integrates ethoxy groups and short sulfur chains within the polymer backbone, significantly improving ionic conductivity and reducing interfacial contact issues [2] - Experimental results show that the integrated flexible battery can withstand 20,000 bending cycles, and when used as a polymer electrolyte in composite cathodes, it achieves an energy density increase of 86% [2] Group 2: Industry Context - Solid-state batteries have been in research since the 1970s but have gained renewed focus due to the increasing demand for higher energy density and safety following lithium resource shortages [4] - Major automotive companies like Chery, CATL, and SAIC plan to implement solid-state batteries in their vehicles by 2026-2027, with energy densities exceeding 400 Wh/kg [4] Group 3: Market Implications - The breakthrough is expected to disrupt the long-standing dominance of Western countries in solid electrolyte materials, creating a unique advantage for China in the global market [5] - The commercialization of solid-state batteries is anticipated to begin around 2027-2028, with mass production feasible by 2030, potentially revolutionizing the electric vehicle market [5]