To investigate the impact of the pore-forming agent on the performance of polymer membranes, four Al2O3/PVDF-HFP separators with different pore-forming agents, n-butanol, deionized water, ethanol, and isopropanol are prepared by adding Al2O3 as the filler. The wettability, morphology, mechanism strength, and electrochemical properties of above membranes are characterized. Results show that the membrane prepared with n-butanol as the pore-forming agent has the best property, with electrolyte uptake rate of 420 %, ion transference number of 0.90, tensile strength of 14.93 MPa, conductivity of 0.50 ms/cm−1, electrochemical stability of 5.2 V, and discharging specific capacity of 108 mAh/g at 4C with a LiFePO4 half-cell.


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    Title :

    Pore-forming Technology Development of Polymer Separators for Power Lithium-ion Battery


    Additional title:

    Lect. Notes Electrical Eng.


    Contributors:
    Yu, Lina (author) / Wang, Dan (author) / Zhao, Zhongling (author) / Han, Jian (author) / Zhang, Kejin (author) / Cui, Xinran (author) / Xu, Zhou (author)


    Publication date :

    2014-12-20


    Size :

    10 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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