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Article Abstract

CuF and LiBOB were co-introduced into polycarbonate-based polymer electrolytes (PVT-CB) to overcome the trade-offs between ionic conduction and interfacial stability, resulting in improved ionic conductivity (8.4 × 10 S cm) and enhanced electrochemical stability (5.04 V Li/Li). The resultant Li|PVT-CB|LCO cells show a boosting capacity retention of 88.8% after 250 cycles. The combination of CuF and LiBOB not only facilitates efficient Li transport but also enhances the stability of the electrolyte-electrode interface, making PVT-CB a promising candidate for high-performance, durable solid-state lithium metal batteries.

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http://dx.doi.org/10.1039/d4cc06443gDOI Listing

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