Advances in 2D/2D MXenes-based heterostructures for energy storage/conversion applications

MXene-based 2D heterostructures have emerged as a highly promising area of research in the field of energy storage and conversion, owing to their exceptional properties and versatility. This comprehensive review aims to highlight the recent advancements and challenges associated with tailoring MXene-based heterostructures. The review focuses on the progress made in the past decade regarding 2D/2D MXene-based heterostructures for energy storage/conversion. The influence of interfacial interactions, electronic conductivity, ion diffusion pathways, and surface chemistry on the performance of these heterostructures in supercapacitors, batteries, and water-splitting reactions have been critically examined. By considering these factors, researchers gain insights into the design principles and optimization strategies for MXene-based heterostructures. By understanding the progress made and the existing challenges, researchers can further explore the vast potential of MXene heterostructures and contribute to the development of next-generation energy storage and conversion technologies. © 2024 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.