Organic electrolyte secondary cell

The present invention provides a secondary cell being comprised of a positive electrode containing an electrically conductive agent, a binding agent and LiMXCo1-XO₂, where which M represents at least one member selected from the group of transition metals except Co, and x represents a value in a range 0 ≦ x ≦ 1.0 as an active material; a negative electrode; a separator disposed between the positive and negative electrodes; and an organic electrolyte held by the separator, wherein the specific surface area of the positive electrode active material is in a range of from 0.35 to 2.0m²/g.