NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

    公开(公告)号:US20230048384A1

    公开(公告)日:2023-02-16

    申请号:US17788097

    申请日:2020-10-13

    Abstract: A non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and an electrolyte solution, wherein the positive electrode includes a composite oxide including lithium as a first metal, and a second metal X other than lithium; in the composite oxide, the second metal X includes Ni, Al, and Mn; the second metal X does not contain Co or the atomic ratio Co/X of Co to the second metal X is 0.02 or less; and the electrolyte solution contains a chain carboxylic acid ester having 2 to 4 carbon atoms, and a cyclic compound having a ring structure composed of 2 oxygen atoms and 3 to 5 carbon atoms.

Patent Agency Ranking