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Description:

MXenes, a family of two-dimensional transition metal carbides, nitrides, and carbonitrides, have emerged as promising materials for energy storage and conversion. Their hydrophilicity, metallic conductivity, and solution processability make them suitable for catalytic applications. However, challenges such as structural instability, limited active sites, and complex surface chemistry hinder their practical use. Recent efforts have focused on enhancing MXene-based catalysts for the oxygen evolution reaction (OER) through structural engineering and hybridization with layered double hydroxides (LDHs) and transition metal oxides (TMOs). This Perspective summarizes key developments in understanding the intrinsic properties of MXenes and their impact on catalytic performance. Moreover, mechanistic insights, ongoing challenges, and opportunities for the rational design of multifunctional MXene hybrids are highlighted. Addressing these fundamental issues will be essential for unlocking the full potential of MXenes in sustainable energy conversion technologies.

Rights:

• Creative Commons BY Attribution 4.0 International
  

Keyword: Two-dimensional materials, MXene, Catalysis, Water splitting, Oxygen evolution reaction

Date published: 2026-01-09

Publisher: American Chemical Society (ACS)

Journal:

• ACS Energy Letters (ISSN: 23808195) vol. 11 issue. 1 p. 101-110

Funding:

• Ministry of Education, Culture, Sports, Science and Technology
• Core Research for Evolutional Science and Technology JPMJCR22B1
• Japan Society for the Promotion of Science 22H01916
• Japan Society for the Promotion of Science 22K18956
• Japan Society for the Promotion of Science 24KF0273

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.1021/acsenergylett.5c03334

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Updated at: 2026-02-02 16:30:04 +0900

Published on MDR: 2026-02-02 13:53:09 +0900