固态锂电池，我国有新突破

Core Insights - The research team from the Institute of Metal Research, Chinese Academy of Sciences, has made a breakthrough in solid-state lithium battery technology, addressing key challenges such as high interfacial impedance and low ionic conductivity [1][3] - Solid-state lithium batteries are recognized as a significant advancement in energy storage technology due to their high safety and energy density [3] Group 1: Research Breakthrough - The new material developed by the research team integrates polymer design flexibility, incorporating ethoxy groups for ionic conduction and short sulfur chains for electrochemical activity, achieving interfacial integration at the molecular level [3] - The integrated flexible battery constructed from this material demonstrates excellent bending resistance, capable of withstanding 20,000 cycles of bending [3] Group 2: Performance Improvements - When used as a polymer electrolyte in composite cathodes, the energy density of the composite cathode increases by 86% [3] - This research provides new material design ideas and research paradigms for the development of high-performance and high-safety solid-state batteries [3]