Title:
WATER ELECTROLYSIS DEVICE PERFORMANCE RECOVERY METHOD, AND WATER ELECTROLYSIS DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/208991
Kind Code:
A1
Abstract:
A water electrolysis device (100) performance recovery method for recovering the performance of a water electrolysis device (100) comprising a water electrolyzer (10) having a solid polymer membrane (11), an anode (12) and a cathode (13), the performance recovery method comprising: a step in which the operating state of the water electrolysis device (100) is set to a low temperature operation state in which the temperature of water reaches a temperature lower than the temperature of water during normal operation when the water electrolyzer (10) performs water electrolysis; and a step in which current flows between the anode (12) and the cathode (13) when in the low temperature operation state.
Inventors:
YOSHIDA TETSUYA (JP)
Application Number:
PCT/JP2020/010262
Publication Date:
October 15, 2020
Filing Date:
March 10, 2020
Export Citation:
Assignee:
HITACHI SHIPBUILDING ENG CO (JP)
International Classes:
C25B15/00; C25B9/23
Domestic Patent References:
| WO2006016564A1 | 2006-02-16 |
Foreign References:
| JP2004277870A | 2004-10-07 | |||
| JPH0686939A | 1994-03-29 | |||
| JPS60181286A | 1985-09-14 | |||
| JP2009123534A | 2009-06-04 | |||
| JP2004277870A | 2004-10-07 |
Other References:
See also references of EP 3954809A4
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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