IONIC LIQUID, ELECTROLYTE, LITHIUM SECONDARY BATTERY COMPRISING SAME, AND PROCESS FOR PRODUCING IONIC LIQUID
申请人:The Nippon Synthetic Chemical Industry Co., Ltd.
公开号:EP2410601A1
公开(公告)日:2012-01-25
The present invention provides an ionic liquid useful for a lithium secondary battery, which is excellent in performance as an electrolyte material, such that the liquid has ionic conductance and a wide potential window, and is excellent in safety, as well as an electrolyte using the same. The present invention relates to an ionic liquid including a cyanophosphate-based anion represented by the following general formula (1), and an electrolyte using the same, a lithium secondary battery, and a process for producing the ionic liquid.
[Chem 1] -P(CN)nX6-n (1)
(Wherein X is a halogen atom and n is an integer of 1 to 6.)
本发明提供了一种用于锂二次电池的离子液体,该液体作为电解质材料性能优异,具有离子传导性和宽电位窗口,并且安全性优异,还提供了使用该液体的电解质。本发明涉及一种离子液体,包括由以下通式(1)表示的基于氰磷酸酯的阴离子,以及使用该离子液体的电解液、锂二次电池和生产该离子液体的工艺。
[化学 1] -P(CN)nX6-n (1)
(其中 X 为卤素原子,n 为 1 至 6 的整数)。