Study on the oxygen reduction performance of nitrogen and chlorine co-doped defect-rich carbon electrocatalysts

Mengting Huang; Qun Tang; Ying Chen; Helong Wu; Panjie Guo; Run Huang; Ziming Zhou; Weitao Wang; Lianghou Wu; Wenkai Yu; Lei Wang; Xin Wang

doi:10.1039/D5CC03683F

Study on the oxygen reduction performance of nitrogen and chlorine co-doped defect-rich carbon electrocatalysts

Mengting Huang,†^a Qun Tang,†^a Ying Chen,^a Helong Wu,^a Panjie Guo,^a Run Huang,^a Ziming Zhou,^a Weitao Wang,^a Lianghou Wu,^a Wenkai Yu,^a Lei Wang*^a and Xin Wang

*^a

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^a College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, P. R. China
E-mail: wangxin136@zjut.edu.cn

Abstract

A metal-free Cl/N co-doped defect-rich carbon electrocatalyst (MF-ClNC) was synthesized by salt-assisted two-step pyrolysis. Doping and defect sites synergistically modulate the electronic structure and boost the oxygen reduction reaction (ORR) process. MF-ClNC exhibits exceptional ORR performance in both alkaline electrolyte (half-wave potential 0.91 V) and natural seawater (0.78 V), exceeding commercial Pt/C and most reported catalysts. Our work highlights the potential of coupling doping and defects in carbon catalysts for electrochemical applications.

Chemical Communications

Study on the oxygen reduction performance of nitrogen and chlorine co-doped defect-rich carbon electrocatalysts

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Study on the oxygen reduction performance of nitrogen and chlorine co-doped defect-rich carbon electrocatalysts

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