[1] J. Park, H. Lee, and S. Kim, “Solid-state electrolytes for high-density lithium batteries: A review,” J. Power Sources, vol. 588, Art. no. 233742, 2024.
Surveys 2019–2024 solid-electrolyte work; concludes interfacial resistance, not conductivity, is now the limiting factor.
Peer-reviewed; leading energy venue; 180+ refs. CRAAP 23 / 25.
Backs Section III, Korea's lead is assembly-side and exposed at the materials interface. Rebuts “conductivity is solved.”
“The bottleneck has migrated from the bulk to the boundary” [1, p. 5].