Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Patent
1995-12-27
1996-10-15
Nuzzolillo, Maria
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
429 34, H01M 200
Patent
active
055652794
ABSTRACT:
The cell stack assembly of a fuel cell power plant is provided with a cooling system which provides optimum cell operating temperatures across each cell in the stack and also produces an optimum amount of steam. The cooling system includes at least one bypass through which a fraction of the coolant is fed from the coolant inlet side of the stack to the coolant outlet side of the stack. The bypass ensures that a fraction of the coolant is not heated to its target operating temperatures as it passes through the stack. This results in a more uniform cell operating temperature profile from the coolant inlet to the coolant outlet side of each cell; and also results in a lessening of excess steam production in the power plant.
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patent: 5462817 (1995-10-01), Hsu
Fredley Robert R.
Margiott Paul R.
Parenti Karen L.
Scheffler Glenn W.
International Fuel Cells Corp.
Jones William W.
Nuzzolillo Maria
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