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BEST-L  February 2009

BEST-L February 2009

Subject:

FW: FISE Seminar Series-Thursday, February, 12, 2009

From:

"David E. Bruderly" <[log in to unmask]>

Reply-To:

David E. Bruderly

Date:

Tue, 10 Feb 2009 11:28:05 -0500

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (104 lines)

  _____  

From: Sean H. McLendon [mailto:[log in to unmask]] 
Sent: Tuesday, February 10, 2009 11:10 AM
To: Sean H. McLendon
Subject: FW: FISE Seminar Series-Thursday, February, 12, 2009

 

From: Eric Wachsman [mailto:[log in to unmask]] 
Sent: Tuesday, February 10, 2009 10:39 AM
Subject: FISE Seminar Series-Thursday, February, 12, 2009

 

I thought you might be interested in FSEC presentation this Thursday.
Please feel free to pass on to your colleagues.

 

Dr. Eric D. Wachsman

Director, Florida Institute for Sustainable Energy

Director, UF-DOE High Temperature Electrochemistry Center

Rhines Chair Professor, Materials Science and Engineering, University of
Florida

www.energy.ufl.edu


Dear Colleagues and Students,


Please join us for the Florida Institute for Sustainable Energy (FISE)
www.energy.ufl.edu Seminar Series presenting:


 

 <http://www.energy.ufl.edu/index.php?src=seminars2&ID=83> Taking Charge of
Our Energy Future
February 12, 2009 4:00 PM - 5:00 PM 
Location: Reitz Union Auditorium
Speaker: Dr. James M. Fenton, Director, Florida Solar Energy Center, (FSEC),
University of Central Florida (UCF), Cocoa, FL

Background information on Florida’s current energy situation in terms of
electricity and automobile transportation will be presented. Discussion on
energy efficiency in your home (51% of Florida’s electricity is consumed by
our residences) is followed by solar energy generation as solar thermal hot
water and photovoltaic electricity on your rooftop. Transportation
efficiency will also be presented followed by education information for
solar installers and contractors, building code officials, emergency
management personnel, energy raters, K-12: students and teachers, and
consumers. 

High Temperature MEA Development for PEM Fuel Cells 

Proton exchange membrane fuel cells (PEMFCs) have increasingly received
worldwide attention due to their potential use in the hydrogen economy.
Generally two regimes of PEMFC operation exist: the typical operating
temperatures between 60 – 80°C and elevated temperatures higher than 100°C.
The ability for current automotive radiators to reject heat is insufficient
at continuous full power waste heat loads for 60 – 80°C fuel cell stack
temperatures. Running the stack at 120ºC under full load would allow the use
of radiators similar to those available in automobiles today. This has
driven the need for development of high-temperature membranes and membrane
electrode assemblies that could operate at temperatures of up to 120ºC, low
relative humidity and near atmospheric pressure. Nafion® and Non-Nafion®
based poly [perfluorosulfonic acids] (PFSAs) of equivalent weight lower than
1100 and hydrocarbon membranes such as Sulfonated poly(ether ether ketone)s
(SPEEKs) have been fabricated into new composite membranes containing small
particle stabilized solid proton conductors, such as phosphotungstic acid.
Innovative proton exchange membrane-electrode assemblies (MEAs) made from
these new membranes provide excellent ionic conductivity and good
performance in an under-saturated environment (120ºC, 1 atm., 35%RH and
70ºC, 1 atm., dry) have been developed. A rational approach to deconvolute
fuel cell performance data into activation, ohmic and transport related
components will be presented. Membrane degradation using an in-situ and
nondestructive technique, which relies on the measurement of the membrane
degradation rate in a fuel cell, will also be presented.



Dr. Fenton’s bio can be viewed at:
http://www.energy.ufl.edu/index.php?src=seminars2
<http://www.energy.ufl.edu/index.php?src=seminars2&ID=83> &ID=83

 

For our colleagues located in extension offices off campus, the seminar may
viewed via video stream: video.ufl.edu/wmstream.html

 

We look forward to your participation!

 

 

 

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