申请人:Nichicon Corporation
公开号:EP2048131A1
公开(公告)日:2009-04-15
The present invention provides an ionic compound which: can exert excellent basic performance such as excellent electrochemical stability including an excellent ionic conductivity; is excellent in pH stability; and can suitably find use in a variety of applications, and an electrolyte material, an electrolytic solution, and an electrolytic capacitor each containing the ionic compound.
An ionic compound of the present invention has an anion represented by a general formula (1) and a cation represented by a general formula (2):
where X represents an element selected from B, C, N, O, Al, Si, P, S, As, and Se, M1 and M2 represent linking groups, Q represents a monovalent element or organic group, a represents an integer of 1 or more, and b, c, d, and e each represent an integer of 0 or more;
[Chem.2] R2-LH⊕ (2)
where L represents an element selected from C, Si, N, P, S, and O, R represents a monovalent element, functional group, or organic group, and s represents an integer of 2, 3, or 4.
本发明提供了一种离子化合物,它能够发挥优异的基本性能,例如优异的电化学稳定性,包括优异的离子电导率;具有优异的pH稳定性;并可在各种应用中适当使用;还提供了一种电解质材料、一种电解溶液和一种电解电容器,它们都含有该离子化合物。
本发明的离子化合物具有通式(1)表示的阴离子和通式(2)表示的阳离子:
其中 X 代表选自 B、C、N、O、Al、Si、P、S、As 和 Se 的元素,M1 和 M2 代表连接基团,Q 代表一价元素或有机基团,a 代表 1 或以上的整数,b、c、d 和 e 各代表 0 或以上的整数;
[Chem.2] R2-LH⊕ (2)
其中 L 代表选自 C、Si、N、P、S 和 O 的元素,R 代表一价元素、官能团或有机基团,s 代表 2、3 或 4 的整数。