Recent advances in noble metal MXene-based catalysts for electrocatalysis

As the global energy shortage and environmental pollution worsen, the development of clean and renewable energy becomes more urgent. Electrochemical technology can achieve high-efficiency, low-cost clean energy conversion, mainly relying on highly efficient electrocatalysts, including noble metals such as Au, Pt, Pd. MXenes, an emerging class of two-dimensional materials, have been widely used in electrocatalysis due to their high conductivity, large specific surface area, and good hydrophilicity. In particular, MXenes and their derivatives have been widely used to support various noble metal nanomaterials. They have shown outstanding catalytic performances and good stability in the hydrogen evolution reaction, oxygen evolution reaction, oxygen reduction reaction, nitrogen reduction reaction, and methanol oxidation reaction. Herein, we review the strategies for the synthesis of noble metal MXene-based catalysts, emphasize the application of noble metal MXene-based catalysts in the field of electrocatalysis, and focus on the strategy of enhancing the electrocatalytic performance of noble metal MXene-based catalysts. Based on this, the limitations and future development of noble metal MXene-based catalysts in electrocatalysis are discussed.