Novel Na3Zr2Si2PO12–polymer hybrid composites with high ionic conductivity for solid-state ionic devices

•Na3Zr2Si2PO12 (NZSP)–polymer nanocomposite hybrids have been synthesized.•High ionic conductivity of ~10−4 Ω−1 cm−1 and stability window of ~4.64 V have been reported.•Conductivity mechanism has been proposed.•Composites exhibit reversible σ–T cycles at least upto 100 °C. Incorporation of PEO based...

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