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Towards Platinum-Free Fuel Cells for Affordable Zero-Emission Vehicles

Originally delivered Apr 21, 2021
  • Type:
    Archived Webinar
  • Level:
    Intermediate
  • Duration:
    1 hour
  • PDHs:
    1.00

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Green hydrogen from wind and solar electricity is necessary to decarbonize certain sectors of our economy that are inaccessible by renewable electricity and it has the potential to reduce more than 30% of the global carbon emission. For the transportation sector, green hydrogen can help decarbonization through its use in fuel cells. Green hydrogen refers to hydrogen that is produced by water electrolyzers powered by renewable electricity. For low temperature fuel cells and electrolyzers, polymer electrolytes play a critical role in controlling their cost, performance, and durability, and consequently their economic viability.

In this presentation, I will focus on our recent work on hydroxide exchange membrane fuel cells (HEMFCs). More specifically I will show the roadmap we have developed for this technology, the progress we have made in developing one of the most stable membranes and some of the most active nonprecious metal catalysts. I will also try to answer the fundamental question: why are hydrogen oxidation reactions are slower in base than in acid for precious metal catalysts?

Presenter(s): 

Yushan Yan

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Yushan Yan is the Henry B. du Pont Chair in Chemical and Biomolecular Engineering at the University of Delaware. He previously served as the Founding Associate Dean for Research and Entrepreneurship at the University of Delaware, Department Chair at the University of California Riverside, and Senior Staff Engineer/Project Leader at AlliedSignal. His recognitions include University Scholar Professor from the University of California Riverside and Presidential Chair from the University of California, the Donald Breck

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Webinar content is available with the kind permission of the author(s) solely for the purpose of furthering AIChE’s mission to educate, inform and improve the practice of professional chemical engineering. All other uses are forbidden without the express consent of the author(s).