Patent ID: 9350022
Filing Date: 2016-05-24
CPC Classification: C01B,H01M,Y02E,Y02P,Y10T

Claim Text:
1. A nonaqueous secondary battery, comprising: a cathode including: the cathode active material consisting of a composition represented by General Formula (1) below, where: Fe takes on a valence of +2 or +3; an average valence of Fe is +2 or more, which average valence of Fe is an average of valences of all Fe atoms constituting the cathode active material; M has a valence of +2 or more, and M is at least one type of element selected from the group consisting of Zr, Sn, Y, and Al; the valence of M is different from the average valence of Fe; the conductive material being a material selected from the group consisting of acetylene black, carbon, graphite, natural graphite, artificial graphite, and needle coke.