Exploring the impact of MXene-based materials on hydrogen storage performance: Experimental insights, applications, and challenges

The hydrogen storage potential of 2D transition metal carbides and nitrides, called MXenes, has attracted interest due to their compositional variability, tunability, compatibility, and reversibility, making them promising hydrogen storage candidates. This study aims to comprehensively review recent experimental publications on MXene-based hydrogen storage, providing a global overview of advancements and experimental evidence. A thorough review has underscored MXenes' potential as catalysts for enhancing metal hydride-based hydrogen storage and elucidates the mechanisms underlying their performance improvement. This research provides a framework for designing high-performance composite catalysts with MXenes, optimizing metal hydrides for high storage capacity, rapid kinetics, and low operating temperatures. The findings elucidate the enhancement of hydrides with MXenes, facilitating the development of effective hydrogen storage materials. Furthermore, this research delineates prospects, obstacles, and potential developments for advancing hydrogen storage and utilizing MXenes as catalysts, with the objective of creating sustainable hydrogen storage systems contributing to clean energy technologies.