US 11,929,511 B2
Manufacturing method and manufacturing device for film/catalyst assembly
Yuta Shintaku, Otsu (JP); Ryuta Sakashita, Otsu (JP); Daisuke Izuhara, Otsu (JP); Kiyoshi Minoura, Otsu (JP); and Mei Kumagai, Otsu (JP)
Assigned to TORAY INDUSTRIES, INC., Tokyo (JP)
Appl. No. 17/785,530
Filed by TORAY INDUSTRIES, INC., Tokyo (JP)
PCT Filed Dec. 21, 2020, PCT No. PCT/JP2020/047640
§ 371(c)(1), (2) Date Jun. 15, 2022,
PCT Pub. No. WO2021/132137, PCT Pub. Date Jul. 1, 2021.
Claims priority of application No. 2019-231591 (JP), filed on Dec. 23, 2019.
Prior Publication US 2023/0058120 A1, Feb. 23, 2023
Int. Cl. H01M 4/88 (2006.01); H01M 8/1004 (2016.01); H01M 8/1023 (2016.01)
CPC H01M 4/881 (2013.01) [H01M 4/8882 (2013.01); H01M 4/8896 (2013.01); H01M 8/1004 (2013.01); H01M 8/1023 (2013.01); H01M 2300/0082 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method of manufacturing a membrane-catalyst assembly including an electrolyte membrane and a catalyst layer bonded to said electrolyte membrane, the method comprising:
a liquid application step of applying, in the atmosphere before bonding, a liquid to only a first surface of said electrolyte membrane wherein a second opposite surface of said electrolyte membrane is attached to a support layer; and
a bonding step of thermocompression bonding, to said catalyst layer, the first surface of said electrolyte membrane to which said liquid was applied.