2022年7月1日 · In the field of Fuel Cells, the development of efficient and low cost electrocatalysts for oxygen reduction reaction (ORR) is of great importance. MXenes-based nanomaterials such as transition metal carbides, carbonitrides, and nitrides are expected to have excellent ORR performance.

2022年9月15日 · The MXene-based materials inspire the design and preparation of electrocatalysts with increased ORR activity, high selectivity, and long load life. This review has provided an overview of MXenes, then described their synthesis methods, and finally explained the progress of MXene (mainly Ti3 C 2 T x) in the field of oxygen reduction.

2021年8月3日 · Designing highly active and bifunctional oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) catalysts has attracted great interest toward metal–air batteries. Herein, an efficient solution to the search for MXene-based bifunctional catalysts is proposed by introducing non-noble metals such as Fe/Co/Ni at the surfaces.

2025年3月11日 · Here, we reveal the Fermi surface topology and band structure of purely oxygen-terminated MXene achieved through rigorous thin film sample preparation and ultrahigh vacuum annealing.

2024年11月12日 · Maximizing its large surface area is key to developing efficient non-noble-metal catalysts for the hydrogen evolution reaction (HER). In this study, oxygen-functionalized Ti 3 C 2 T x MXene (Ti 3 C 2 O x) is synthesized and deposited gold nanoparticles (Au NPs) onto it, forming a novel composite material, Au-Ti 3 C 2 O x.

2024年10月14日 · High-temperature ultrasonic exfoliation can effectively weaken the hydrogen-bond cage confinement between the oxygen-containing terminal groups of multilayer MXene and surrounding water molecules, significantly increasing the yield of monolayer MXene and challenging traditional methods of its preparation.

2022年1月15日 · Review of recent trends in electrochemical water splitting (HER, OER, Overall) using MXene and their heterostructures. Role of different functional groups, morphology and …

2023年5月3日 · In this paper, the oxygen reduction and evolution reaction (ORR and OER, respectively) catalytic activities of 78 M-N 4 -Gr/MXene (Ti 2 C, Nb 2 C, and V 2 C) heterostructure nanosheets were investigated based on density functional theory (DFT) calculations and machine learning (ML) predictions.

2022年1月14日 · In this work, three representative MXenes of Ti 3 C 2 T x, V 2 CT x, and Nb 2 CT x were selected for H 2 O 2 electrosynthesis and we found that MXenes are inherent two-electron ORR catalysts with high H 2 O 2 selectivity. In addition, this work critically evaluates their electrocatalytic activity and stability.

2022年6月17日 · Recent studies reported better-performing ORR catalysts with MXenes as supports, which holds promise in the significant reduction of Pt loading for efficient catalysts. Furthermore, MXenes exhibit wide applicability and stability …