Core Viewpoint - The Chinese Academy of Sciences' Institute of Metal Research has made a breakthrough in lithium battery technology by developing a new type of polymer material that enables rapid ion transport and efficient storage at the molecular level, providing a novel solution to enhance solid-state battery performance [1] Group 1: Research Breakthrough - The new polymer material integrates fast ion transport channels and energy storage functions within the same polymer structure through covalent bonding [1] - This material has been published in the top materials science journal, Advanced Materials [1] Group 2: Solid-State Battery Advantages - Solid-state lithium batteries are considered a key direction for next-generation energy storage due to their high safety and energy density [1] - Traditional solid batteries face challenges with high interfacial impedance and low ion transport efficiency due to the separation of ion conduction and storage functions [1] Group 3: Performance Enhancements - The integrated flexible battery constructed from this new material demonstrates excellent mechanical stability, capable of being bent over 20,000 times without performance degradation [1] - When used as a polymer electrolyte with traditional lithium iron phosphate cathodes, the hidden energy storage capacity of the electrolyte can be activated at specific potentials, increasing the composite cathode's energy density by 86% [1] Group 4: Implications for Future Research - This research provides new material design ideas and research paradigms for developing high-performance and high-safety solid-state batteries [1]

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]