To provide a secondary cell including an electrode active material that is a compound represented by General Formula (1) below: where n is a natural number of from 4 through 8, a is a natural number of from 1 through 4, R1 and R2 may be identical to or different from each other and are each a hydrogen atom, an alkyl group, or an aromatic hydrocarbon group that may have a substituent, Y is a substituent, and b is an integer of from 0 through 3 and a+b is 4 or less in General Formula (1).