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A Highly Active and Support-Free Oxygen Reduction Catalyst Prepared from Ultrahigh-Surface-Area Porous Polyporphyrin


  • This work was supported by the U.S. Department of Energy’s the Office of Science and the Office of Energy Efficiency and Renewable Energy Fuel Cell Technologies program. The authors are grateful to Dr. Jiangbin Xia, Dr. Jun Lu, Dr. Deborah J. Myers, and Alex Mason for their support with experiments.


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An electrocatalyst for the oxygen reduction reaction that is free of precious metals was prepared by thermal activation of an ultrahigh-surface-area porous polyporphyrin. The PEM fuel cells made with such catalyst demonstrated excellent current and power densities.

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