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Confined 1T‐VSe2 Ferromagnetic Nanoparticles
In article number 2300122, Cailei Yuan, Shouguo Wang, and co‐workers report confined 1T‐VSe2 ferromagnetic nanoparticles in amorphous carbon matrix for external magnetic fields assisted highly efficient oxygen evolution reaction (OER). Benefiting from the confined structure and the high‐efficient spin‐related OER kinetics under external magnetic fields,...
As a clean and effective approach, the introduction of external magnetic fields to improve the performance of catalysts has attracted extensive attention. Owing to its room‐temperature ferromagnetism, chemical stability, and earth abundance, VSe2 is expected to be a promising and cost‐effective ferromagnetic electrocatalyst for the accomplishment of high‐efficient spin‐related OER kinetics. In this...
Atomic heating on single atoms (SAs) to maximize the catalytic efficiency of each active site would be a fascinating solution to break the bottleneck for the performance improvement of single‐atom catalysts (SACs) but highly challenging task. Here, based on the Gd@MoS2 SACs synthesized by a facile laser molecular beam epitaxy method, high‐frequency alternating magnetic field (AMF) technology is employed...
Atomic‐Level Magnetic Heating Effect
In article number 2206155, Cailei Yuan and co‐workers report a single‐atom catalyst (Gd@MoS2) with long range room temperature ferromagnetic spin alignment that exhibits significant improvements in catalytic kinetics under alternating magnetic field (AMF) excitation. This increase in catalytic activity is attributed to the atomic‐level magnetic heating effect resulting...
Although (oxy)hydroxides generated by electrochemical reconstruction (EC‐reconstruction) of transition‐metal catalysts exhibit highly catalytic activities, the amorphous nature fundamentally impedes the electrochemical kinetics due to its poor electrical conductivity. Here, EC‐reconstructed NiFe/NiFeOOH core/shell nanoparticles in highly conductive carbon matrix based on the pulsed laser deposition...
Transition metal chalcogenides with high theoretical capacity are promising conversion‐type anode materials for sodium ion batteries (SIBs), but often suffer from unsatisfied cycling stability (hundreds of cycles) caused by structural collapse and agglomerate. Herein, a rational strategy of tunable surface selenization on highly crystalline MoO2‐based carbon substrate is designed, where the sheet‐like...
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