US 12,191,504 B2
Bipolar metal-air battery, air electrode manufacturing method, and collector manufacturing method
Mikayo Iwata, Musashino (JP); Masaya Nohara, Musashino (JP); Hironobu Minowa, Musashino (JP); Shuhei Sakamoto, Musashino (JP); and Takeshi Komatsu, Musashino (JP)
Assigned to Nippon Telegraph and Telephone Corporation, Tokyo (JP)
Appl. No. 17/312,559
Filed by Nippon Telegraph and Telephone Corporation, Tokyo (JP)
PCT Filed Dec. 11, 2019, PCT No. PCT/JP2019/048460
§ 371(c)(1), (2) Date Jun. 10, 2021,
PCT Pub. No. WO2020/137546, PCT Pub. Date Jul. 2, 2020.
Claims priority of application No. 2018-240936 (JP), filed on Dec. 25, 2018.
Prior Publication US 2022/0093936 A1, Mar. 24, 2022
Int. Cl. H01M 4/86 (2006.01); H01M 4/88 (2006.01); H01M 4/90 (2006.01); H01M 12/06 (2006.01)
CPC H01M 4/8631 (2013.01) [H01M 4/8825 (2013.01); H01M 4/8882 (2013.01); H01M 4/9016 (2013.01); H01M 4/9041 (2013.01); H01M 12/06 (2013.01); H01M 2004/8689 (2013.01); H01M 2004/8694 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A bipolar type metal air battery, comprising:
a plurality of cells including an air electrode composed of a co-continuous component having a 3D network structure in which a plurality of nanostructures are integrated by non-covalent bonds, a negative electrode, and an electrolyte disposed between the air electrode and the negative electrode; and
a current collector disposed between the plurality of cells, wherein the plurality of cells are electrically connected in series, and wherein the current collector is in contact with the negative electrode using a biodegradable material.