Recent advances and latest technologies in energy storage applications based on 2D MXene

Advanced energy storage devices, which have recently become an issue, are demanding new energy storage materials. One of the energy storage materials, MXene, and its derivatives and composites, will be discussed in this review. We propose a comprehensive and important summary of the latest state-of-the-art MXene or MXenebased materials used as electrodes for high-performance energy storage devices. In addition, we describe the energy storage application of MXene based on various synthesis techniques of MXene nanomaterials studied so far and select potential related properties. Several alternative methods for manufacturing a structural secondary battery/capacitor as an energy storage device and the design and characteristics of an energy storage electrode based on MXene nanomaterials have been described. The potential use of MXene as an electrode material for storing energy is described through examples of various electrode materials for applications in lithium-ion batteries, lithium-ion capacitors, sodium-ion batteries, and sodium-ion capacitors. We propose a comprehensive and important summary of the state-of-the-art MXene- or MXene-based composites used as electrodes for high-performance energy-storage devices. In particular, MXene and MXene composite materials are emerging as promising materials in energy storage applications due to their excellent properties for use in high energy and high power density energy storage. However, although there have been many advances and achievements in MXene for energy storage, the development of an electrode material for energy storage using MXene and its hybrid compounds is still in its infancy. Future directions in the MXene energy storage research include design and modification to enable the understanding of capacitive energy storage mechanisms, control of surface chemistry, and high-performance energy storage pertaining to MXene.