| abstract |
The sodium battery according to the present invention may include a positive electrode including sodium sulfide or sodium oxide, a negative electrode including a tin-based active material, and an electrolyte. In addition, the negative electrode of the sodium battery may further include a binder and a conductive material, and may be implemented in bulk rather than in a thin film form. Accordingly, the anode material of the sodium battery, which is safe and has a high energy density, may be provided. |