Title:
METAL AIR BATTERY, METHOD OF MANUFACTURING THE SAME, APPARATUS INCLUDING THE METAL AIR BATTERY, AND SYSTEM AND METHOD OF CONTROLLING THE METAL AIR BATTERY
Abstract:
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.
Applicant:
SAMSUNG ELECTRONICS CO LTD [KR]
Inventors:
LEE HEUNGCHAN [KR]
LEE HYUNPYO [KR]
PARK JUNGOCK [KR]
Other family members:
KR 20210112676 A,
Pub. Date: 2021-09-15,
EPO/ Google
Titles:
Air electrode for air secondary battery and air secondary battery
空気二次電池用の空気極及び空気二次電池
Abstracts:
PROBLEM TO BE SOLVED: To provide an air electrode for an air secondary battery capable of reducing an overvoltage in a charge / discharge reaction as compared with the conventional case, and an air secondary battery provided with the air electrode. A battery 2 includes an electrode group 10 including an air electrode 16 and a negative electrode 12 stacked via a separator 14, and a container 4 containing the electrode group 10 together with an alkaline electrolytic solution 82, and is provided with air. The pole 16 includes an air electrode mixture layer in which pores are distributed, and the entire volume of the pores is defined as the pore volume, and the volume of the alkaline electrolytic solution penetrating into the pores. The liquid content is 36% or more and 56% or less when the ratio of the liquid content to the pore volume is the liquid content. [Selection diagram] Fig. 1
The present invention provides a metal-air battery which is suppressed in leakage of the electrolyte solution. This metal-air battery is provided with: a positive electrode that comprises a collector and a catalyst layer which has an oxygen reduction ability, while being formed on the collector; a negative electrode that is arranged so as to face the positive electrode; an outer case that contains a multilayer body, which comprises the positive electrode and the negative electrode, while being provided with an opening that faces the positive electrode; an electrolyte that is arranged within the outer case; and a water repellent film that transmits oxygen and covers the opening, while having a bonded part which is bonded to the outer case. The catalyst layer has a portion that is positioned between the bonded part and the collector.
