Title:
ALKALI WATER ELECTROLYSIS MEMBRANE - ELECTRODE - GASKET COMPOSITE
Document Type and Number:
WIPO Patent Application WO/2019/111832
Kind Code:
A1
Abstract:
An alkali water electrolysis membrane - electrode - gasket composite includes a barrier membrane having first and second membrane surfaces, a first electrode disposed stacked on the first membrane surface, and an electrically insulating gasket holding the barrier membrane and the first electrode as a unit. The gasket is provided with: a first surface in contact with a frame on a positive electrode side; a second surface in contact with a frame on the negative electrode side; a slit part open toward the inside periphery for accommodating an entire peripheral part for the barrier membrane and the first electrode; first and second parts facing each other through the slit part; and a linking part provided on the outer peripheral side of the slit part, connecting the first and second parts as a unit, and sealing the outer peripheral end of the slit part. The entire peripheral part for the barrier membrane and the first electrode accommodated in the slit part is sandwiched into a unit by the first and second parts.
Inventors:
TANAKA YASUYUKI (JP)
SUEOKA HARUMI (JP)
SUEOKA HARUMI (JP)
Application Number:
PCT/JP2018/044311
Publication Date:
June 13, 2019
Filing Date:
November 30, 2018
Export Citation:
Assignee:
TOKUYAMA CORP (JP)
International Classes:
C25B9/19; C25B9/23
Domestic Patent References:
| WO2014178317A1 | 2014-11-06 | |||
| WO2013191140A1 | 2013-12-27 | |||
| WO2014178317A1 | 2014-11-06 |
Foreign References:
| JP2012180537A | 2012-09-20 | |||
| JP2011040359A | 2011-02-24 | |||
| JP2002332586A | 2002-11-22 | |||
| JP4453973B2 | 2010-04-21 | |||
| JP6093351B2 | 2017-03-08 | |||
| JP2015117417A | 2015-06-25 |
Other References:
See also references of EP 3722463A4
Attorney, Agent or Firm:
YAMAMOTO, Noriaki et al. (JP)
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