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SUMMARY:Towards Platinum-Free Fuel Cells for Affordable Zero-Emission Cars
DTSTART:20190509T160000
DTEND:20190509T170000
DTSTAMP:20260428T214822Z
UID:e3ae6620f2188e64273f6d7fb569ed42daa12e9a15fccfcd2edf8685
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Yushan YAN\nDepartment of Chemical and Biomolecular Engi
 neering\,\nUniversity of Delaware\, USA\nChE-605 - Highlights in Energy Re
 search seminar series\nOne of the grand challenges facing humanity today i
 s the development of an alternative energy system that is safe\, clean\, a
 nd sustainable. A distributed renewable electrochemical energy and mobilit
 y system (DREEMS) can meet this challenge. At the foundation of this new e
 nergy system\, we have chosen to study fuel cells\, electrolyzers\, and fl
 ow batteries. For all these devices polymer electrolytes and electrocataly
 sis play a critical role in controlling their performance\, cost\, and dur
 ability\, and thus their economic viability. In this presentation\, I will
  focus on our recent work on hydroxide exchange membrane fuel cells (HEMFC
 s) for which we have developed inexpensive hydrocarbon polymer membranes a
 nd nonprecious metal catalysts. More specifically I will show the roadmap 
 we have developed for this technology\, the progress we have made in devel
 oping the most stable membranes and the most active nonprecious metal cata
 lysts. I will also try to answer the fundamental question: why are hydroge
 n oxidation reactions are slower in base than in acid for precious metal c
 atalysts?\n\nThe seminar can also be followed remotely by joining the onli
 ne Cisco WebEx meeting (connection possible 15 minutes before the talk).\n
 See here the documentation how to install the Cisco WebEx add-on on your c
 omputer.\nIn case of problem\, you can contact our IT support (37679 - it.
 vs@epfl.ch) 
LOCATION:I17 4 K2 https://plan.epfl.ch/?room==I17%204%20K2
STATUS:CONFIRMED
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