Title:
ELECTROLYTIC CELL
Document Type and Number:
WIPO Patent Application WO/2023/054576
Kind Code:
A1
Abstract:
An alkali water electrolytic cell comprising: a first frame that is provided with a conductive first partition wall and a first flange part having a first gasket contact surface, and that demarcates an anode chamber; a second frame provided with a conductive second partition wall and a second flange part, and demarcating a cathode chamber; a diaphragm arranged between the first frame body and the second frame body, and demarcating the anode chamber and the cathode chamber; a gasket sandwiched between the first flange part and the second flange part, and holding the diaphragm; an anode arranged inside the anode chamber; and a cathode arranged inside the cathode chamber. The gasket comprises a first and a second gasket element, the first frame is provided with a first nickel-plated layer having a thickness of 27 μm or greater and provided exposed to the first gasket contact surface, and the surface roughness of the first gasket contact surface is 10 μm or less, as the arithmetic mean roughness Ra.
Inventors:
TANAKA YASUYUKI (JP)
Application Number:
PCT/JP2022/036409
Publication Date:
April 06, 2023
Filing Date:
September 29, 2022
Export Citation:
Assignee:
TOKUYAMA CORP (JP)
International Classes:
C25B9/00; C25B1/04; C25B9/63; C25B13/02; C25B13/04; C25B13/05; C25B15/00; F16J15/06
Domestic Patent References:
| WO2013191140A1 | 2013-12-27 |
Foreign References:
| JP2019099845A | 2019-06-24 | |||
| JPS5959890A | 1984-04-05 | |||
| JP2005276820A | 2005-10-06 | |||
| JPS6299488A | 1987-05-08 |
Attorney, Agent or Firm:
YAMAMOTO, Noriaki et al. (JP)
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