Decoupling Ion Size from Electrochemistry: Cation-Size-Independent Accommodation of Li+ to Cs+ in an Amorphous Sulfonamide Coordination Polymer

Key Points

• The research aims to explore how different cations affect charge storage in a polymer material.
• Utilized an amorphous Ca-Zn-PTtSA coordination polymer as the primary material.
• Tested the electrochemical performance with various cations including lithium and cesium.
• Analyzed the charge storage capabilities across different cation sizes.
• Demonstrated that the polymer can accommodate various cations without size limitations.
• Observed reversible charge storage functionality for both Li+ and Cs+.
• Showed equivalent performance regardless of cation size, indicating versatility for battery applications.