| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a secondary battery which is stably operated even at a high potential, high in heat resistance, and high in output. <P>SOLUTION: A positive electrode active material of which the oxidation-reduction potential is 4.5 V or more is provided. The positive electrode active material which is an olivine type compound, a manganese spinel type compound or a transition metal sulfide is provided. <P>COPYRIGHT: (C)2010,JPO&INPIT |
