公开(公告)号：EP3118924A4

公开(公告)日：2017-12-13

申请号：EP15760934

申请日：2015-03-06

Applicant: ADEKA CORP

Inventor： YOKOMIZO TOMOFUMI ,  YANO TORU ,  WATANABE HIROAKI ,  AOYAMA YOHEI ,  SERI TOMOMI ,  NOHARA YUTA

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M2300/0025

Abstract: Provided are a nonaqueous electrolyte excellent in prevention of overcharge and capable of retaining a small internal resistance and a high electrical capacity even after charge/discharge cycles and a nonaqueous secondary battery using the same. Specifically, the nonaqueous electrolyte of the invention is a lithium salt solution in an organic solvent and contains at least one compound having general formula (1), and the nonaqueous secondary battery includes a negative electrode capable of intercalating and deintercalating lithium, a positive electrode containing a transition metal and lithium, and the nonaqueous electrolyte of the invention. The details of formula (1) are as described in the description.