| 摘要 |
In order to decrease charging overvoltage, this metal-air secondary battery is provided with a negative electrode member which occludes and releases metal ions, a positive electrode member which ionizes oxygen, and a separator impregnated with an electrolyte and arranged between the negative electrode member and the positive electrode member, and is characterized by the positive electrode member having 2nm or smaller pores, and by the ratio (B/A) of the product volume B, calculated from the discharge capacity of the secondary battery, and the volume A of said pores being 0.1 or less. |
