青岛科技大学  English 
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An in-situ bicomponent polymeric matrix solid electrolyte for solid-state Lithium metal batteries with extended cycling-life

关键字:SENSITIZED SOLAR-CELLS; PERFORMANCE; MEMBRANE

摘要:The utilization of ceramic-polymer hybrid electrolytes has gained popularity in the development of all-solid-state lithium batteries that are capable of high-energy and long-lasting performance. This research presents a novel dual hybrid in-situ solid electrolyte membrane (iHSE) that is tailored for high-performance Li-ion batteries, consisting of LATP and PVDF-HFP. The hybrid membrane is comprised of LATP particles and PVDF-HFP with PEG polymer matrix (HSE), and the migration of Li+ ions in LATP particles was simulated through molecular dynamics. At a temperature of 40 degrees C, the hybrid membrane demonstrates an ionic conductivity of 7.36 x 10-4 S center dot cm- 1 and a lithium-ion migration number of 0.61. The interface between the cathode and electrolyte membrane is effectively enhanced through in situ polymerization with the resulting all-solid-state lithium battery exhibits a reversible discharge capacity of 160 mAh center dot g- 1 at a current density of 0.1C multiplier at ambient temperature and can function normally for over 1000 cycles of charge and discharge at 1C multiplier. Moreover, the discharge capacity trend exhibits greater uniformity in comparison to a battery lacking interface enhancement.

卷号:80

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