固态锂电池新突破！我国研究出可弯折2万次柔性电池

Core Insights - The research team at the Institute of Metal Research, Chinese Academy of Sciences, has made significant breakthroughs in solid-state lithium battery technology, addressing key challenges such as high interfacial impedance and low ionic conductivity [1] Group 1: Research Breakthroughs - The newly developed material integrates polymer design flexibility with ethoxy groups for ionic conduction and short sulfur chains for electrochemical activity, achieving interfacial integration at the molecular level [1] - The innovative material demonstrates high ionic transport capabilities and allows for controllable switching of ionic transport and storage behaviors across different potential ranges [1] Group 2: Performance Metrics - A flexible battery constructed from this material exhibits excellent bending resistance, enduring up to 20,000 cycles of repeated bending [1] - When used as a polymer electrolyte in a composite cathode, the energy density of the composite cathode increases by 86% [1] Group 3: Implications for Industry - This research provides new material design concepts and research paradigms for the development of high-performance and high-safety solid-state batteries, positioning them as a crucial direction for next-generation energy storage technology [1]