FUEL CELL SYSTEM COMPRISING A COMBINED FUEL PROCESSING APPARATUS AND A FUEL CELL UNIT
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United States of America Patent
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Issued Date -
Oct 15, 2015
app pub date -
Nov 21, 2012
filing date -
Nov 21, 2012
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Abstract
The invention concerns a fuel cell system comprising a fuel processing apparatus, said apparatus including: (a) a sulfur resistant fuel processing (SRFP) unit, (b) a steam reforming (STR) unit, (c) a sulfur removal/hydrogen enrichment (SRHE) unit, (d) a hydro-desulfurisation (HDS) unit and optionally (e) a hydrogen purification (HYP) unit, and either a low/medium temperature or a high temperature fuel cell unit. The hydrogen purification (HYP) unit (e) works most beneficially when the fuel cell is a low/medium temperature fuel cell. Combining two different fuel processing units in a fuel cell system makes it possible to deal more effectively with the difficulties of processing sulfur-containing fuels.
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