Fuel cell with insulating element
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United States of America Patent
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Issued Date -
Oct 4, 2007
app pub date -
Mar 9, 2007
filing date -
Apr 1, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to an insulating element for a fuel cell stack, which is composed of a thermally insulating plastic or plastic composite material. The insulating element is connected to the end plate and the bipolar end plate of the stack and achieves virtually uniform distribution of temperature and flow density along the fuel cell stack in the cell operating mode. As a result, the condensation of product water is prevented. The efficiency of the fuel cell stack is increased since it is possible to dispense with external heating of the stack by a cell current and costly measuring and control technology,
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