FUEL CELL POWER GENERATION SYSTEM USING FUEL ELECTRODE EXHAUST GAS RECYCLING PROCESS
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United States of America Patent
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Issued Date -
Mar 6, 2008
app pub date -
Mar 1, 2007
filing date -
Sep 1, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed herein is an internal reforming molten carbonate fuel cell power generation system including a reformer mounted in a stack for converting a hydrocarbon-based substance, such as natural gas, into hydrogen. The fuel cell power generation system includes a stack for generating power by a fuel cell reaction, a mixer for mixing fuel to be supplied to the stack, a pre-former disposed between the mixer and the stack for reforming a portion of fuel to be supplied to the stack from the mixer, and a burner for burning exhaust gas exhausted from a fuel electrode of the stack to supply heat and carbon dioxide required for the air electrode of the stack. An exhaust gas recycling line diverges from an exhaust gas line between the stack and the burner. The exhaust gas recycling line is connected to a fuel supply line between the mixer and the stack, whereby a portion of exhaust gas, exhausted from the fuel electrode of the stack after the reaction is completed, is mixed with the fuel flowing along the fuel supply line between the mixer and the stack, and then the mixture is reintroduced into the fuel electrode of the stack.
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