| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lithium-ion secondary battery with improved safety of the battery without causing output fall due to DCR rise in comparison with conventional technology. <P>SOLUTION: In the lithium secondary battery having a cathode and an anode for reversibly occluding and releasing lithium ions, and an organic electrolyte solution with electrolyte containing the lithium ions dissolved, in which the cathode and the anode are arranged via a separator, an anode active material includes carbon, and the anode includes at least 0.5 to 1.5 wt.% phenolic antioxidant or 0.1 to 0.5 wt.% phosphorus antioxidant. <P>COPYRIGHT: (C)2010,JPO&INPIT |
