Applications
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• Energy storage devices
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- Fuel cells
While fuel cell systems have been somewhat languishing in public interest after a flurry of investigations in the late 1990’s, there is still significant research in this field and certainly there are niche applications for these energy delivery devices. Although low temperature Proton Exchange Membrane (PEM’S) fuel cells have been receiving less attention. mid-temperature Solid Oxide Cells (SOFC’s) are very much in vogue. Direct Methanol Fuel Cells (DMFC’s) are also of interest.
We become intrigued with fuel cells due to our ability to once again produce very thin-crack-free ceramic membranes that could conduct protons much in the same fashion as Nafion membranes. However, our membranes were ten times thinner and therefore did not show nearly as large as a membrane resistance. We called these materials (POEM) fuel cells Some of these concepts are now being used in our latest ultracapacitor system.
These POEM materials may also be useful in DMFC applications due to their inorganic nature and therefore to the possibility of preventing methanol cross-over problems so prevalent in the case of Nafion organic membranes
Department of Environmental Chemistry and Technology, University of Wisconsin-Madison
660 North Park Street, Madison, WI 53706
contact us I +1-608-262-2674 I +1-608-446-8160 (cellular)
Professor Marc A. Anderson Lab of Sol-Gel Chemistry
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