| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hydrogen storage alloy that can have both high capacity of batteries and improvement of cycle life characteristics. <P>SOLUTION: The hydrogen storage alloy, an alloy of a rare earth-Ca-Mg-Ni system, includes an A<SB POS="POST">2</SB>B<SB POS="POST">7</SB>phase as a main phase. The site A of the main phase includes a rare earth element, Ca and Mg; the site B of the main phase includes Ni; and the rare earth element is at least one kind of Pr, Nd and Sm. <P>COPYRIGHT: (C)2013,JPO&INPIT |
