固态锂电池领域，我国科研团队取得突破！

Core Viewpoint - The research team from the Institute of Metal Research, Chinese Academy of Sciences, has made a breakthrough in solid-state lithium batteries, addressing the critical issues of high interfacial impedance and low ionic transport efficiency [1] Group 1: Research Breakthrough - The new approach provides a solution to the poor solid-solid interface contact in traditional solid-state batteries, which leads to high ionic transport resistance and low efficiency [1] - The research results have been published in the international academic journal "Advanced Materials" [1] Group 2: Material Development - The team designed a novel material by incorporating ethoxy groups with ionic conduction functionality and short sulfur chains with electrochemical activity into the polymer backbone, achieving interfacial integration at the molecular scale [1] - This new material exhibits high ionic transport capability and allows for controllable switching of ionic transport and storage behavior across different potential ranges [1] Group 3: Performance Metrics - A flexible battery constructed from this material demonstrated excellent bending resistance, capable of withstanding 20,000 cycles of repeated bending [1] - When used as a polymer electrolyte in a composite cathode, the energy density of the composite cathode increased by 86% [1] Group 4: Implications for Industry - This research offers new material design ideas and research paradigms for the development of high-performance and high-safety solid-state batteries [1]