Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Recent Advances in the Electrocatalytic Application of Transition Metal Nitrides Nanocrystalline

Version 1 : Received: 17 April 2021 / Approved: 19 April 2021 / Online: 19 April 2021 (15:29:37 CEST)

How to cite: Tang, H.; Zheng, S.; Luo, R. Recent Advances in the Electrocatalytic Application of Transition Metal Nitrides Nanocrystalline. Preprints 2021, 2021040504 (doi: 10.20944/preprints202104.0504.v1). Tang, H.; Zheng, S.; Luo, R. Recent Advances in the Electrocatalytic Application of Transition Metal Nitrides Nanocrystalline. Preprints 2021, 2021040504 (doi: 10.20944/preprints202104.0504.v1).

Abstract

The energy crisis and environmental problems are becoming more and more severe due to the long-term consumption of fossil fuels. Therefore, energy conversion devices with high energy density and environmental friendliness (such as fuel cells, metal-air batteries, etc.) have been ex-pected to be reliable alternatives to traditional fossil energy. However, due to the inevitable use of precious metals as the electrode catalysts for these devices, the popularization of these alternatives is seriously hindered. Transition metal nitrides (TMNs) exhibit similar surface and adsorption properties to noble metals since the atomic distance between metal atoms increases and the d-band center of metal atoms downshift after the nitrogen atoms enter the metal lattice. TMNs have become one of the best electrode materials to replace noble metal electrocatalysts in energy storage and conversion devices. In this review, the latest development in the electrocatalytic ap-plication of TMNs nanocrystalline is covered. Firstly, we briefly discuss the structure and activity origin of TMNs and introduce the common physical and chemical methods for the preparation of TMNs. Subsequently, we illustrate the applications of unary TMNs and multivariate TMNs in oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). Finally, we summarize the challenges and problems of TMNs encountered at the present stage, and expect its future de-velopment.

Subject Areas

Transition metal nitrides; Preparation methods; Electrocatalytic application; Oxygen reduction reaction; Oxygen evolution reaction

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