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高分子磺酸锂/聚醚共混物的单离子导电性
Single-Ionic Conductivity of Poly (Lithium Sulfoalkyl Methacrylate) /Polyether Blend
【摘要】 聚甲基丙烯酸烷基磺酸锂、梳形和线形聚醚组成的三元共混聚合物显示单离子导电性和较高的离子电导率,锂离子迁移数t+=0.99,室温电导率σ25℃=5.2×10-6S/cm。该共混物单离子导体的直流极化特性比相应的双离子导体的更为优良。
【Abstract】 The ternary blend of poly (lithium sulfoalkyl methacry-late), comblike and linear polyethers exhibites single-ionic conduction behavior as well as high ionic conductivity. At ambient temperature (25℃), the transference number of lithium ion (t+) is 0.99, while ionic conductivity reaches 5.2 × 10-6 S/cm. This single-ionic conductor of polymer blend possesses better polarization nature than hi-ionic counterparts under dc condition.
【关键词】 单离子导体;
双离子导体;
直流极化;
全固态锂电池;
【Key words】 Single-ionic conductor; Bi-ionic conductor; dc polarization; All solid state lithium battery;
【Key words】 Single-ionic conductor; Bi-ionic conductor; dc polarization; All solid state lithium battery;
- 【文献出处】 高技术通讯 ,High Technology Letters , 编辑部邮箱 ,1991年09期
- 【分类号】TM912
- 【下载频次】40