Electrolyte additive for lithium battery, electrolyte including the additive, and lithium battery including the electrolyte
申请人:SAMSUNG SDI CO., LTD.
公开号:US10003102B2
公开(公告)日:2018-06-19
An electrolyte additive for a lithium battery, an electrolyte including the electrolyte additive, and a lithium battery including the electrolyte additive are disclosed. The electrolyte additive for a lithium battery includes a sulfonylmethylisocyanide-based compound. The electrolyte additive including the sulfonylmethylisocyanide-based compound may form a protective layer having improved high-temperature stability on positive and negative electrodes of a lithium battery, thereby improving the safety of the lithium battery.
本发明公开了一种用于锂电池的电解质添加剂、一种包括该电解质添加剂的电解液以及一种包括该电解质添加剂的锂电池。锂电池电解质添加剂包括磺酰甲基异氰化物基化合物。包括磺酰甲基异氰化物基化合物的电解质添加剂可在锂电池的正极和负极上形成具有更好高温稳定性的保护层,从而提高锂电池的安全性。