申请人:NIPPON SODA CO., LTD.
公开号:EP1553117A1
公开(公告)日:2005-07-13
An object of the present invention is to provide a practical solid polymer electrolyte that exhibits excellent thermal characteristics, physical characteristics, and ionic conductivity, and in particular, to provide a completely solid electrolyte and a copolymer composition that functions as the substrate for producing such an electrolyte. A solid polymer electrolyte comprising an electrolyte salt, and a copolymer in which a block chain A containing a repeating unit represented by a formula (I) shown below,
a block chain B containing a repeating unit represented by a formula (II) shown below:
(wherein, R9 represents an aryl group), and a block chain C containing a repeating unit represented by a formula (III) shown below:
(wherein, R13 represents an aryl group or a heteroaryl group) are arranged in the sequence B, A, C.
本发明的目的是提供一种实用的固体聚合物电解质,该电解质具有优异的热特性、物理特性和离子导电性,特别是提供一种完全固态的电解质和一种共聚物组合物,该组合物可作为生产这种电解质的基质。一种固体聚合物电解质,包括一种电解质盐和一种共聚物,其中嵌段链 A 含有下式 (I) 所示的重复单元、
含有下式(II)所代表的重复单元的嵌段链 B:
(其中,R9 代表芳基),以及含有下式(III)所代表重复单元的嵌段链 C:
(其中,R13 代表芳基或杂芳基)按 B、A、C 的顺序排列。