| abstract |
The present invention relates to a sodium ion storage material and an electrode material for a sodium ion battery containing the same, an electrode material for a seawater cell, an electrode for a sodium ion cell, an electrode for a seawater cell, a sodium ion cell and a seawater cell, specifically Cu x S, FeS, FeS 2 , Ni 3 S, NbS 2 , SbO x , SbS x , SnS and SnS 2 (where 0<x≤2) is a sodium ion storage material containing one or more substances selected from the group consisting of . When the sodium ion storage material according to the present invention is used, a high discharge capacity can be maintained, and when applied to a sodium ion battery that is a secondary battery, excellent charge and discharge cycle characteristics can be exhibited. |