NON-AQUEOUS ELECTROLYTE SOLUTION ADDITIVE, NON-AQUEOUS ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY, COMPRISING NON-AQUEOUS ELECTROLYTE SOLUTION ADDITIVE
申请人:LG Chem, Ltd.
公开号:EP3509155A1
公开(公告)日:2019-07-10
The present invention relates to a non-aqueous electrolyte solution additive, and a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery which include the same, and particularly, to a non-aqueous electrolyte solution additive including a compound based on a cyclic sulfur structure, and a secondary battery in which low-voltage failure due to metal dissolution may be improved by including the same.
本发明涉及一种非水电解质溶液添加剂,以及一种用于锂二次电池的非水电解质溶液和一种包含该添加剂的锂二次电池,特别是涉及一种非水电解质溶液添加剂,该添加剂包括一种基于环硫结构的化合物,以及一种包含该添加剂可改善因金属溶解而导致的低电压失效的二次电池。