| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a battery active material high in thermal stability and low in potential. <P>SOLUTION: A battery active material of the present invention contains an M element of a trivalent metal element, a Ti element, and an O element, and contains a M<SB POS="POST">2</SB>Ti<SB POS="POST">2</SB>O<SB POS="POST">7</SB>crystal phase of a pyrochlore structure. <P>COPYRIGHT: (C)2012,JPO&INPIT |
