Journal of Colloid and Interface Science 502 (2017) 44–51 Contents lists available at ScienceDirect Journal of Colloid and Interface Science journal homepage: www.elsevier.com/locate/jcis Regular Article Nitrogen-rich Fe-N-C materials derived from polyacrylonitrile as highly active and durable catalysts for the oxygen reduction reaction in both acidic and alkaline electrolytes a,b a,b,⇑ a,⇑ J.L. Chen , W.B. Li , B.Q. Xu Department of Chemistry, Tsinghua University, Haidian District, Beijing 100084, China Graduate School at Shenzhen, Tsinghua University, University Town, Nanshan District, Shenzhen 518055, China highlights graphical a bstract Fe-N-C catalyst with core-graphitic shell nanostructure was synthesized. High catalytic performance towards ORR was achieved in both acid and alkaline electrolytes. A linear relationship between the logarithm of ORR turnover number 3+ and the Fe reduction potential was observed. ar ti c l e i nf o ab stra ct Article history: Fe-N-C catalyst with a core-graphitic shell nanostructure was synthesized by pyrolysis of polyacryloni- Received 2 January 2017 trile (PAN)-coated carbon black in the presence of iron salts. The attained catalyst exhibits high perfor- Revised 1 April 2017 mance towards the oxygen reduction reaction (ORR) in both acid and alkaline electrolytes, with the Accepted 5 April 2017 half-wave potentials of 97 mV
Journal of Colloid and Interface Science – Elsevier
Published: Sep 15, 2017
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