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Gold/Mining/Energy : Global Thermoelectric - SOFC Fuel cells (GLE:TSE)
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To: Ciao who wrote ()4/18/1999 11:20:00 AM
From: Gulo  Read Replies (1) of 6016
 
All/ correction
In a previous post I said it was hydrogen ions that travel across the electrolyte. In SOFC, it is oxygen ions that travel in the opposite direction. Silly me.

On another note, here are a couple of quotes from the ETH website that support the importance of GLE's developments:

"The relatively high specific resistivity of commercially available electrolyte materials requires high SOFC working temperatures of 850 to 1000 ºC. A lowering of the operating temperature is desirable to increase system lifetime and reduce costs."

"Today, the major problem is the high working temperature of 900 to 1000 °C leading to a lot of incompatibilities, which can only be solved by the use of very expensive materials. "

High temperatures and low conductivity seem to have been the major stumbling blocks so far.
ae
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