A Cross-Linked Flexible Metaferroelectrolyte Regulated by 2D/2D Perovskite Heterostructures for High-Performance Compact Solid-State Sodium Batteries.

ABSTRACT: To address the issues of limited ionic conductivity and poor interface stability at room and low temperatures in solid-state electrolytes, a robust intrinsic ferroelectrolyte or nanoferroelectrolyte strategy for engineering solid-state flexible ferroelectric composite electrolytes utilizing strongly coupled intrinsic ion conducting 2D/2D sodium-rich anti-perovskite (NaRAP)/ferroelectric perovskite heterostructures is introduced. Herein, highly scalable PVDF-based metaferroelectrolytes with Na_2.99Ba_0.005OCl/Ca₂Na₂Nb₅O₁₆ ^- (CNNO^-) nanosheets into a ferroelectric poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) matrix, through an in situ cross-linking and spontaneous bridging method, for compact

SUBMITTER: Huang Y 

PROVIDER: S-EPMC12302523 | biostudies-literature | 2025 Jul

REPOSITORIES: biostudies-literature