Insights into a layered hybrid solid electrolyte and its application in long lifespan high-voltage all-solid-state lithium batteries
作者： Shicheng Yu , Sebastian Schmohl , Zigeng Liu , Marija Hoffmeyer , Nino Schön
DOI: 10.1039/C8TA11259B
关键词:
摘要: Direct integration of a metallic lithium anode with the ceramic Li1.3Al0.3Ti1.7(PO4)3 (LATP) electrolyte into an all-solid-state battery is highly challenging due to their chemical and electrochemical incompatibility. Herein, layered hybrid solid designed by coating LATP protective polymer electrolyte, polyphosphazene/PVDF-HFP/LiBOB. This comprises Li+ conductive polyphosphazene mechanically stable PVDF-HFP as matrix, mobile ions in layer are supplied LiBOB. Equipped both components, possesses favorable features, such flexible surface, high ionic conductivity, stability against wide window (4.7 V), which all help realize its application batteries. The prepared high-voltage Li3V2(PO4)3/CNT cathode shows capacity excellent cycling performance negligible loss over 500 cycles at 50 °C. Furthermore, analysis after long-term demonstrates outstanding electrode/electrolyte interfacial stability. study suggests that use organic–inorganic promising approach circumvent mechanical, limitations interface electrodes for
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