Molten Guest‐Mediated Metal–Organic Frameworks Featuring Multi‐Modal Supramolecular Interaction Sites for Flame‐Retardant Superionic Conductor in All‐Solid‐State Batteries

under constrained conditions and various working temperatures. Unlike flammable traditional MOFs, MGM-MOF-OH demonstrates high robustness under various harsh conditions, including ignition, high voltage, and extended to humidity.