US 12,424,683 B2
Method of manufacturing metal-air battery
Tomo Kitagawa, Sakai (JP); Hirotaka Mizuhata, Sakai (JP); Shunsuke Sata, Sakai (JP); Keigo Mitamura, Sakai (JP); and Akihito Yoshida, Sakai (JP)
Assigned to SHARP KABUSHIKI KAISHA, Sakai (JP)
Appl. No. 18/014,426
Filed by SHARP KABUSHIKI KAISHA, Sakai (JP)
PCT Filed Jun. 24, 2021, PCT No. PCT/JP2021/023931
§ 371(c)(1), (2) Date Jan. 4, 2023,
PCT Pub. No. WO2022/009687, PCT Pub. Date Jan. 13, 2022.
Claims priority of application No. 2020-119407 (JP), filed on Jul. 10, 2020.
Prior Publication US 2023/0344039 A1, Oct. 26, 2023
Int. Cl. H01M 12/08 (2006.01)
CPC H01M 12/08 (2013.01) 13 Claims
OG exemplary drawing
 
1. A method of manufacturing a metal-air battery, the method comprising a first step of stacking an exterior body, a water-repellent film, and a positive electrode in a stated order,
the first step comprising:
a fusing step of fusing the exterior body and the water-repellent film; and
a compression step of compressing the water-repellent film and the positive electrode,
the fusing step fusing, in a frame shape, a region of the exterior body and the water-repellent film where the exterior body and the water-repellent film overlap, and
the method comprising, after the first step, an opening forming step of forming an opening in the exterior body by removing a part of the exterior body from inside a frame-shaped fusing portion formed in the fusing step.