Issue 16, 2023

Electron transfer and surface activity of NiCoP-wrapped MXene: cathodic catalysts for the oxygen reduction reaction

Abstract

NiCoP constructed on a conductive substrate can achieve efficient oxygen reduction reaction (ORR) catalytic activity. Herein, we report the in-situ growth of NiCoP on the surface of an MXene nanosheet (MXene@NiCoP). The MXene nanosheet accelerated the electron transfer and enhanced the surface activity of the NiCoP. Density functional theory calculations indicated that MXene@NiCoP possessed the advantages of a low overpotential and high OH* adsorption energy in the ORR process. MXene@NiCoP proved to be a highly active catalyst for the ORR with a half-wave potential of 0.71 V vs. RHE. The assembled single-chamber air-cathode microbial fuel cell obtained high electricity generation performance.

Graphical abstract: Electron transfer and surface activity of NiCoP-wrapped MXene: cathodic catalysts for the oxygen reduction reaction

Supplementary files

Article information

Article type
Paper
Submitted
12 Jan 2023
Accepted
17 Mar 2023
First published
31 Mar 2023

Nanoscale, 2023,15, 7430-7437

Electron transfer and surface activity of NiCoP-wrapped MXene: cathodic catalysts for the oxygen reduction reaction

H. Xie, D. Jiang, H. Chen, X. Ma, X. Liu, Q. Qi and Y. Wang, Nanoscale, 2023, 15, 7430 DOI: 10.1039/D3NR00192J

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