采用共混法制备了 P(VdF- HFP)- PMMA聚合物电解质, PMMA与电解液有更好的相溶性. 含 PMMA45%的聚合物膜, 20℃时电解液吸附量为 260%, 离子导电率为 0.95mS/cm.以该膜和 1mol/L LiPF6( EC/EMC)为电解质, LiCoO2为正极,碳纤维为负极的聚合物锂离子电池具有较小的 界面电阻和电荷转移电阻,良好的循环稳定性( 1/3C倍率循环 35次, 95%初始放电容量),和良好 的倍率性能( 2C倍率, 73%初始放电容量).
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