Electrocatalytic Hydrogen Evolution Performance of Two-dimensional Mo2CTx MXene Materials: a Review on Preparation and Application

doi:10.15541/jim20250023

Abstract

Abstract: MXenes, an emerging family of two-dimensional (2D) materials with high electronic conductivity, large specific surface area, good hydrophilicity, and regulable surface functional groups, have shown broad application prospects across the domains of energy, catalysis, corrosion prevention, and electromagnetic shielding. Among numerous MXenes, Mo₂CT_x MXene has attracted much attention due to its excellent electrocatalytic hydrogen evolution activity. This paper aims to systematically review the preparation of Mo₂CT_x MXene and its current research status in the field of electrocatalytic hydrogen evolution, providing a comprehensive and clear reference framework for further in-depth study of this system. The synthesis methodologies and exfoliation techniques of Mo₂CT_x MXene in recent years are comprehensively reviewed; the research progress of Mo₂CT_x MXene as an electrocatalyst for hydrogen evolution reaction (HER) is summarized; the optimization strategies for the catalytic performance improvement of Mo₂CT_x MXene for HER are deeply explored from the perspectives of terminated group modification, elemental doping, and hybridization. Finally, a prospective outlook regarding Mo₂CT_x MXene-based composites in the realm of electrocatalytic hydrogen evolution is presented. Despite of significant research advancements on Mo₂CT_x MXene, the absence of eco-friendly and scalable preparation methodologies remains a critical challenge, contributing to elevated production costs. Additionally, the delayed progress in catalytic mechanism investigations hinders the formulation of rational design strategies. Henceforth, efforts should focus on developing green, fluorine-free synthesis approaches to facilitate large-scale material production, concurrently enhancing catalytic activity and catalyst stability, and accelerating the exploration of catalytic mechanisms. These endeavors are critical to advancing the practical application of Mo₂CT_x and its composite materials in the field of electrocatalytic hydrogen evolution.

Key words: MXene, Mo₂CT_x, electrocatalytic hydrogen evolution, review

CLC Number:

TB34

ZOU Minmin, LIU Jingxin, HU Haolin, ZENG Dongmei, ZHANG Ting, ZHANG You. Electrocatalytic Hydrogen Evolution Performance of Two-dimensional Mo₂CT_x MXene Materials: a Review on Preparation and Application[J]. Journal of Inorganic Materials, DOI: 10.15541/jim20250023.

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Electrocatalytic Hydrogen Evolution Performance of Two-dimensional Mo₂CT_x MXene Materials: a Review on Preparation and Application

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