| 摘要 |
<p>A nonaqueous secondary battery comprising a positive active material, a negative electrode material, a separator, and a nonaqueous electrolyte containing lithium salts, wherein the negative electrode material comprises an amorphous oxide containing at least one functional element selected among Sn, Mn, Fe, Pb and Ge. The battery has a high discharge operating voltage, a large discharge capacity, desirable charge-discharge cycle characteristics, and a secured safety.</p> |
