METAL AIR BATTERY, METHOD OF MANUFACTURING THE SAME, APPARATUS INCLUDING THE METAL AIR BATTERY, AND SYSTEM AND METHOD OF CONTROLLING THE METAL AIR BATTERY

A metal air battery apparatus includes: a metal air cell including a cathode layer including pores, an anode layer facing the cathode layer, and a solid electrolyte layer between the cathode layer and the anode layer; and a controller configured to control at least one of a charge rate or a discharge rate of the metal air cell based on a porosity of the cathode layer.