Journal Article solid electrolytes 3D supporting skeleton F‐enriched SEI all-solid-state lithium batteries ample interfaces binary descriptors composite polymer electrolyte coupling effect electrode-electrolyte interfaces high areal capacity homogeneous high‐throughput Li‐ion transport pathway interface layers lean electrolyte lithium metal anodes low negative/positive capacity ratio mechanical strength negative/positive electrode capacity ratio practical Li-S batteries reaction heterogeneity scalable electrodes solid‐state electrolytes solid‐state lithium batteries specific energy sulfur vacancies ultrafast sintering ultrahigh-rate capability uniform Li deposition water-stable lithium metal anodes