Bulk Production of N, Fe-Doped Carbon with High Surface Area and Big Pore Volume and Its Excellent Activity for Oxygen Reduction in Acidic Media. Issue 9 (25th June 2016)

• Record Type: Journal Article
• Authors: Zhang, Li; Wang, Han; Wang, Hong; Liu, Xiao-Peng; Su, Liang; Yu, Liang; Chen, Ping
• Is Part Of: Journal of the Electrochemical Society. Volume 163:Issue 9(2016)
• Page Start: H738
• Page End: H743
• Publication Date: 2016-06-25
• Subjects: electrocatalyst -- N- and Fe-doped carbon nanosphere -- NH3 etching -- oxygen reduction reaction -- poly(m-phenylenediamine); Electrochemistry -- Periodicals; 541.3705
• DOI: 10.1149/2.0171609jes
• Languages: English
• ISSNs: 0013-4651

Abstract

Abstract : Exploring the nonprecious metal catalysts for oxygen reduction with high activity and stability in acidic media is still a hard but extremely desirable work. Here, we proposed a bulk production of N, Fe-doped carbon nanospheres. The process involved a hydrothermal polymerization of m-phenylenediamine with FeCl3 as catalysts to catalyze the formation of poly(m-phenylenediamine) and annealing in NH3 atmosphere. The typical product has high surface area (1408 m 2 g −1 ), big total pore volume (0.90 cm 3 g −1 ) and a number of micropores. The typical product possesses the excellent activity for ORR, endurance and tolerance to methanol in acidic circumstance. This work has the merits of careful selection of poly(m-phenylenediamine) as precursor and NH3 etching to prepare the high-performance ORR catalysts in acidic electrolyte. The approach is simple, low-cost and readily scalable.