Reticular Assembly of Complex Cage-within-Cage Merged-Net MOFs for Lithium-Ion Conductivity

conduction. The single-ion conduction mechanism was further supported by impedance spectroscopy and solid-state nuclear magnetic resonance experiments. The quasi-solid-state lithium metal battery can stably operate across a wide temperature range. This work provides a molecular foundation for designing MOF-based electrolytes with good low-temperature performances, advancing the development of reliable LMBs under wide-range operational conditions.