Cathode Electrode Architecture with Facile Ion Percolating Network Assuring Interfacial Integrity for High-Performance Solid-State Batteries

•Encapsulated cathode composites with ionic conduction pathway were designed.•Composites were obtained by simple dry-coating strategy.•Improved rate capability and cycle stability with a facilitated ion-transport network were achieved.•Pouch cell shows excellent performance at room temperature.•Improving the stability of active materials/solid electrolyte interfaces was developed.