申请人:Ishida Junichi
公开号:US20070212613A1
公开(公告)日:2007-09-13
A polymer gel electrolyte, comprising a polymer gel including an aprotic organic solvent, a carrier salt and a sulfur-containing organic compound having at least one —O—SO
2
— in its chemical structure, for instance, a straight-chain sulfonic acid ester or a cyclic sulfonic acid ester, and a lithium polymer secondary battery using the polymer gel electrolyte and having improved rate performance and cycle performance.