NOVELTY - The lithium secondary battery comprises a cathode and an anode for storing/releasing lithium ions, a unit for separating electrodes from each other, and an electrolyte solution. The cathode comprises: a lithium composite oxide, a cathode mixture, and a cathode-side current collector (1). The anode comprises a carbonaceous material having a d002 value of less than or equal to 0.39 nm, an oxide of an element belonging to the IV group, a nitride of an element belonging to the IV group, an anode mixture, and an anode-side current collector (3). The cathode mixture comprising a cathode-active material.    USE - The lithium secondary battery is useful as a power source for hybrid electric vehicles.    ADVANTAGE - The lithium secondary battery has improved safety and charging/discharging cycle characteristics, a high input/output performance and high operational voltage, and is capable of generating a high output.    DETAILED DESCRIPTION - The lithium secondary battery comprises a cathode and an anode for storing/releasing lithium ions, a unit for separating electrodes from each other, and an electrolyte solution. The cathode comprises: a lithium composite oxide represented by an expression of LiMnxM1yM2zO2, where M1 is cobalt and nickel, M2 is cobalt, nickel, aluminum, boron, iron, magnesium and chromium, x+y+z=1, x is 0.2-0.6 and y is 0.2-0.4; a cathode mixture; and a cathode-side current collector (1). The anode comprises a carbonaceous material having a d002 value of less than or equal to 0.39 nm, an oxide of an element belonging to the IV group, a nitride of an element belonging to the IV group, an anode mixture, and an anode-side current collector (3). The cathode mixture comprising a cathode-active material, an electroconductive agent and a binder is spread on the cathode-side current collector to form a cathode mixture layer (2). The cathode mixture layer has a porosity of 25-40 vol.%, and comprises a lithium composite oxide, an electroconductive agent composed of graphite-base carbonaceous material and a binder. The anode mixture comprising an anode-active material, an electroconductive agent and a binder is spread on the anode-side current collector to form an anode mixture layer. The anode mixture layer has a porosity of 25-40 vol.%, and includes amorphous carbon, an electroconductive agent and a binder. The cathode is formed by spreading on an aluminum foil, and the anode is formed by spreading on a copper foil. The electrolyte solution has a flash point of greater than or equal to 20 degrees C, and an ion conductivity of greater than or equal to 2 mS/cm at -30 degrees C.    DESCRIPTION OF DRAWING(S) - The diagram shows a cross-sectional view of an one side of a spirally wound battery.    Cathode-side current collector (1)    Cathode mixture layer (2)    Anode-side current collector (3)    Anode mixture layer (4)    Separator. (7)