High-pressure water electolysis apparatus
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United States of America Patent
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Nov 8, 2016
Grant Date -
Jun 5, 2014
app pub date -
Nov 13, 2013
filing date -
Nov 26, 2012
priority date (Note) -
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Abstract
A high-pressure water electrolysis apparatus includes a solid polymer electrolyte membrane, an anode side separator, a cathode side separator, an anode side element member, a cathode side element member, a high-pressure hydrogen communication hole, a first seal member, and a second seal member. The first seal member is provided between the solid polymer electrolyte membrane and an outer circumference edge portion of the anode side separator. The second seal member has a thickness same as a thickness of the anode side element member at a time of operation of the high-pressure water electrolysis apparatus. The second seal member is disposed in an anode chamber to shield between the anode chamber and the high-pressure hydrogen communication hole.
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