| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a sodium ion secondary battery capable of increasing battery capacity and a method for manufacturing a sodium ion secondary battery. <P>SOLUTION: The sodium ion secondary battery includes: a positive electrode structure including a sodium compound as an active material; and a negative electrode structure 10 including a current collecting layer 12, a cocatalyst layer 15 comprising at least one selected from among Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W and a nitride of the metals, a catalyst layer 16 comprising Fe, and a carbon nanotube 20 formed on the catalyst layer 16. <P>COPYRIGHT: (C)2013,JPO&INPIT |
