The present disclosure relates to a gel polymer electrolyte including an imide salt, and a lithium secondary battery including the same and having a protective film formed on a cathode tab. Disclosed are a gel polymer electrolyte that allows the production of a secondary battery having excellent quality with no corrosion of a cathode, while using, as an electrolyte, an imide-based salt effective for improvement of output quality and high-temperature storability, as well as a secondary battery including the same.
本公开涉及一种包括
亚胺盐的凝胶聚合物电解质,以及一种包括该电解质并在正极片上形成保护膜的
锂二次电池。本发明公开了一种凝胶聚合物电解质,该电解质可生产出质量优异且正极无腐蚀的二次电池,同时还使用了可有效改善输出质量和高温储存性的
亚胺盐作为电解质,以及包括该电解质的二次电池。