Lithium ion conductivity in polyoxyethylene/polyethylenimine blends
作者： R. Tanaka , M. Sakurai , H. Sekiguchi , H. Mori , T. Murayama
DOI: 10.1016/S0013-4686(00)00775-1
关键词: Materials science 、 Conductivity 、 Lithium perchlorate 、 Crystallization 、 Solid solution 、 Ionic conductivity 、 Drop (liquid) 、 Chemical engineering 、 Polyethylenimine 、 Polymer blend 、 Polymer chemistry
摘要: In search of more viable solid polymer matrices for lithium ion conductors, solutions LiClO4 in polyoxyethylene/polyethylenimine (PEO/PEI) (8:2, 5:5, and 2:8 by repeat units) blends were examined. In the 8:2 blends, conductivities increased with decrease salt content. Conductivities 8:2- pure PEO systems comparable at temperatures higher than 350 K. The drastic conductivity drop due to crystallization known did not occur systems; became ca. three orders magnitude conductive room temperature. contrast, 5:5 suffered a severe near 330 abrupt disappeared again systems. They PEI Weak temperature dependence made their condutivities even those
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