Advancing sustainable energy storage with MXenes: A comprehensive analysis of fabrication techniques and applications

The pressing need for sustainable energy solutions is causing a prompt progress in the field of energy storage materials. According to this perspective, MXenes have become a class of excellent 2D materials with great potential for providing the energy storage solutions. An extensive review of the synthesis, characterization, and uses of MXenes in energy storage devices is given in this work. The synthesis procedures that have led to the tuning of MXenes, characteristics are described, along with developments in chemical etching and delamination techniques. The structure and composition of MXenes are evaluated by characterization methods like electron microscopy and X-ray diffraction, with an emphasis on current advancements. MXenes' contributions to supercapacitor technology and their roles as anode and cathode materials in batteries are discussed, with an emphasis on their electrochemical performance and methods for improving it. Moreover, MXenes' toughness and flexibility are highlighted by an assessment of their prospective applications in difficult situations and their durability in harsh conditions. The superior conductivity, stability, and scalability of MXenes are demonstrated through a comparative examination with comparable 2D materials. All things considered, MXenes present a viable path for developing energy storage technologies and promoting the transition to a cleaner, more efficient energy landscape. [Display omitted] •MXenes are advanced 2D materials with high surface area and exceptional electrical conductivity.•The modifications in the synthesis methods and characterizations of MXenes.•MXenes for energy storage applications including batteries and supercapacitors with high stability and performance.•Advantages and drawbacks of MXenes in energy storage and future perspective.