Title:
MEMBRANE ELECTRODE ASSEMBLY FOR WATER ELECTROLYSIS TANK
Document Type and Number:
WIPO Patent Application WO/2024/048586
Kind Code:
A1
Abstract:
A membrane electrode assembly 6 for a water electrolysis tank comprises: a polyelectrolyte membrane 1 including a first primary surface 1A and a second primary surface 1B; a first electrode catalyst layer 2 provided to the first primary surface 1A of the polyelectrolyte membrane 1; a second electrode catalyst layer 3 provided to the second primary surface 1B of the polyelectrolyte membrane 1; an outer peripheral film 4 that has an annular shape and is disposed so as to surround the outer peripheral surface of the polyelectrolyte membrane 1; and a first adhesive film 5A including a base material layer 51 and an adhesive layer 52. The first primary surface 1A of the polyelectrolyte membrane 1 includes a first annular non-covered section 1AN not covered by the first electrode catalyst layer 2 along the outer periphery of the first primary surface, and the adhesive layer 52 of the first adhesive film 5A is adhered to the first annular non-covered section 1AN of the polyelectrolyte membrane 1 and is adhered to a primary surface 4A of the outer peripheral film 4 on the same side as the first primary surface 1A of the polyelectrolyte membrane 1.
Inventors:
CHINONE HIROYUKI (JP)
MORIOKA HIROYUKI (JP)
MORIOKA HIROYUKI (JP)
Application Number:
PCT/JP2023/031242
Publication Date:
March 07, 2024
Filing Date:
August 29, 2023
Export Citation:
Assignee:
TOPPAN HOLDINGS INC (JP)
International Classes:
C25B9/23; C25B1/04; C25B9/00; C25B13/08
Domestic Patent References:
| WO2021132138A1 | 2021-07-01 |
Foreign References:
| JP2007042348A | 2007-02-15 | |||
| JP2014235962A | 2014-12-15 | |||
| JP2007095669A | 2007-04-12 | |||
| KR20180071618A | 2018-06-28 | |||
| CN2852407Y | 2006-12-27 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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