Differential pressure water electrolysis apparatus
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United States of America Patent
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Nov 28, 2017
Grant Date -
Mar 24, 2016
app pub date -
Sep 7, 2015
filing date -
Sep 18, 2014
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Abstract
A differential pressure water electrolysis apparatus includes high-pressure water electrolysis cells and a pressing mechanism. The high-pressure water electrolysis cells are stacked in a stacking direction. Each of the high-pressure water electrolysis cells includes an electrolyte membrane, a member, an anode current collector, a cathode current collector, an anode separator, and a cathode separator. The electrolyte membrane has a first side and a second side opposite to the first side in the stacking direction. The member has a surface which has an opening and which is in contact with the electrolyte membrane. The anode current collector is disposed on the first side of the electrolyte membrane. The cathode current collector is disposed on the second side of the electrolyte membrane. The anode separator has an anode chamber in which the anode current collector is accommodated. The pressing mechanism is to press the high-pressure water electrolysis cells in the stacking direction.
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