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Published on: July 14, 2015
Preparation and Performance of Porous Polymer Electrolytes Doped with Nano-Al₂O₃
Qingbai Jiang1, Bo Liang1, Siqi Tang1
1School of Automobile and Mechanic Engineering, Changsha University of Science and Technology, Changsha 410114, China.
Abstract:
Porous polymer electrolytes (PPEs) doped with nano-Al2O3 were prepared by a joint application of ultrasonic treatment and control evaporation in vacuum oven. The morphology, pore size distribution, thermal, electrochemical and mechanical properties of the PPEs were investigated. The porosity distribution of PPEs was uniform and their pore size was relatively modest. The total resistance (Rt) of PPEs with 10% Al2O3 is only 9 Ω at 80 °C. The maximum tensile strength of the PPEs membranes reached to 24.43 MPa. The results show that nano-Al2O3 can improve the comprehensive performance of PPEs without compromising their conductivity and diplayed the good application prospects of Al2O3-modified PPEs for lithium-ion batteries.
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