Condensate recovery for reversible solid oxide fuel cells
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United States of America Patent
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Jul 17, 2018
Grant Date -
Jan 25, 2018
app pub date -
Jul 19, 2016
filing date -
Jul 19, 2016
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Abstract
Embodiments described herein provide for water reclamation from the exhaust stream of a RSOFC while the RSOFC operates in fuel cell mode. The reclaimed water is stored for use by the RSOFC while in electrolysis mode. An embodiment includes a RSOFC, a condensate tank, a condenser, and a controller. The RSOFC generates electrical power and water vapor by consuming hydrogen gas in the fuel cell mode, and consumes electrical power and water to generate the hydrogen gas in the electrolysis mode. The condenser condenses the water vapor into water, and directs the water to the condensate tank. The controller, responsive to transitioning the RSOFC from the fuel cell mode to the electrolysis mode, supplies the water to the RSOFC from the condensate tank, and supplies the electrical power to the RSOFC to electrolyze the water and to generate the hydrogen gas.
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