Oxygen-Vacancy-Mediated Triple Synergy in Gd-Doped Ceria Fillers Enables Dendrite-Free Solid-State Lithium Metal Batteries.
Solid-state polymer electrolytes (SPEs) suffer from a persistent trade-off between sluggish ion transport and unstable electrode-electrolyte interface. Herein, a synergistic "polymer grafting-inorganic defect" strategy is proposed to simultaneously address both bottlenecks. A low-crystallinity poly(vinylidene fluoride)...