为提高锂离子电池聚烯烃多孔膜的亲电液性,增加其离子导电性能,采用辐射聚合甲氧基聚氧化乙烯丙烯酸酯对聚烯烃隔膜进行表面改性.改性后的隔膜对高极性电解液具有良好的湿润性.由于对电解液更高的吸附作用,通过吸附更多的液态电解液,使膜更易传导锂离子.改性膜作为隔膜制备的碳/正极材料锂离子电池不仅具有优良的容量保持性,也具有良好的倍率放电性能.
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