Thermally Driven Structure and Performance Evolution of Atomically Dispersed FeN4 Sites for Oxygen Reduction

FeN4 moieties embedded in partially graphitized carbon are the most efficient platinum group metal free active sites for the oxygen reduction reaction in acidic proton‐exchange membrane fuel cells. However, their formation mechanisms have remained elusive for decades because the Fe−N bond formation...

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Veröffentlicht in:	Angewandte Chemie (International ed.) Jg. 58; H. 52; S. 18971 - 18980
Hauptverfasser:	Li, Jiazhan, Zhang, Hanguang, Samarakoon, Widitha, Shan, Weitao, Cullen, David A., Karakalos, Stavros, Chen, Mengjie, Gu, Daming, More, Karren L., Wang, Guofeng, Feng, Zhenxing, Wang, Zhenbo, Wu, Gang
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	Weinheim Wiley Subscription Services, Inc 19.12.2019 Wiley
Ausgabe:	International ed. in English
Schlagworte:	Activation atomically dispersed active site Bonding Carbon Carbonization Chemical reduction Doping electrode materials formation mechanism Graphitization INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY iron nanomaterials Nitrogen Oxygen oxygen reduction reaction Oxygen reduction reactions Platinum Porosity proton exchange membrane fuel cell Proton exchange membrane fuel cells
ISSN:	1433-7851, 1521-3773, 1521-3773
Online-Zugang:	Volltext
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