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Gold/Mining/Energy : Global Thermoelectric - SOFC Fuel cells (GLE:TSE)
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To: wpckr who wrote (2303)6/23/1999 3:39:00 PM
From: blue_chip  Read Replies (1) of 6016
 
Perhaps you can explain and address this temperature proble in ragards to PEM's and reformers. Wont the reformer melt the rubber and the plastic wpckr?

"The main application to date has been for primary power in automotive use. It has the advantage of quick start-up when hydrogen is applied, as well as operating at a very low temperature which allows for easier handling. The disadvantage for the PEM is that it requires very pure hydrogen. When hydrogen is obtained from fuels such as gasoline or natural gas, the reformate gases must be scrubbed to eliminate all CO, sulphur and other contaminants. Although fuel dependent, the reforming process takes place at 700 deg C. Thus, the PEM must wait for the reformer to reach these temperatures before beginning operation. When the PEM is used in stationary applications for a combined heat and power (CHP) application, the overall system efficiency will be lower than high temperature fuel cells as the PEM has only low grade heat available for use. "
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