Hydrogen purification devices, components and fuel processing systems containing the same
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United States of America Patent
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Oct 11, 2005
Issued Date -
N/A
app pub date -
Mar 16, 2004
filing date -
Sep 27, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
Hydrogen purification devices, components thereof, and fuel processors and fuel cell system containing the same. The hydrogen purification devices include an enclosure that contains a separation assembly adapted to receive a mixed gas stream containing hydrogen gas and to produce a stream that contains pure or at least substantially pure hydrogen gas therefrom. The separation assembly includes at least one hydrogen-permeable and/or hydrogen-selective membrane. The device components that are formed from materials having similar or the same coefficients of thermal expansion as the at least one membrane and/or which are formed from an alloy comprising nickel and copper. In some embodiments, these components include at least a portion of a support for the at least one membrane, and in some embodiments, these components include at least a portion of the enclosure.
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