Abstract
Abstract Optimizing interfacial contact between electrolyte and electrode is one of key factors to achieve stable all solid state lithium batteries (ASSLBs). In this work, UV curving technique is reported to produce ASSLBs by in situ constructing integrated interface between PESF-LLZTO composite solid electrolytes (CSEs) and LiFePO4 (LFP) cathode. Benefiting from the integral structure and ultrastable properties of the as-prepared CSE/LFP interface, the obtained ASSLBs delivers an initial discharge specific capacities of 162.8 mAh g-1 at 0.1C and 30 oC, and successfully runs over 520 cycles at 0.5 C with a discharge capacity retention ratio of 96.3 %.
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