以水性聚氨酯(WPU)-聚二甲基硅氧烷(PDMS)共混体系为聚合物基体,通过添加不同质量分数的高氯酸锂(LiClO4)得到一系列固态聚合物电解质.交流阻抗测试结果显示,当LiClO4质量分数为15 %时体系电导率最高,并且温度与电导率关系基本符合Arrhenius方程.采用傅立叶红外光谱(FT-IR)对聚合物电解质中锂离子与羟基及醚氧基之间的相互作用分析显示,当LiClO4质量分数为15%时,锂离子与羰基及醚氧基的配位作用均达到饱和状态.拉曼光谱(Raman)研究结果表明,该聚合物体系对盐具有较好的溶解能力,增加盐浓度后,可使体系中有效离子的相对比例增加,有利于离子传输.
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