| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a metal secondary battery offering high charge-discharge efficiency. <P>SOLUTION: The metal secondary battery comprises a positive electrode active material layer, a negative electrode active material layer, and an electrolyte layer formed between the positive electrode active material layer and the negative electrode active material layer. The negative electrode active material layer contains MgH<SB POS="POST">2</SB>, and the electrolyte layer is composed of an electrolytic solution containing a metal salt and a solvent which contains a carbonate having a carbon number of 4 or greater. <P>COPYRIGHT: (C)2013,JPO&INPIT |
