Graphene–MXene van der Waals heterostructures for high-performance supercapacitors

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Abstract
Research on the exploration of graphene and two-dimensional (2D) materials is thriving and is anticipated to continue leading the forefront of materials science research. This growing interest in 2D nanomaterials is attributed to their distinct characteristics not present in their bulk counterparts. While various 2D nanomaterials have been developed, graphene and MXene, notably, have garnered significant global attention owing to their outstanding properties. Further, the ability to create van der Waals heterostructures has introduced a novel approach to amalgamating the advantageous features of graphene and MXene into a unified entity. These heterostructures not only overcome the inherent limitations of each material but also facilitate the realization of fascinating properties through their synergistic combination. This review discusses the evolution, recent advancements and prospects of these novel 2D materials. Additionally, we also address the challenges that must be overcome to achieve full-scale commercial adoption of this innovative class of layered materials. We also reviewed the application of graphene–MXene heterostructures for developing next-gen supercapacitor devices and outline potential directions for future research.

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