Publications by authors named "Meilian Tu"
Transition metal selenides (TMSe) are promising oxygen evolution reaction (OER) electrocatalysts but act as precursors rather than the actual active phase, transforming into amorphous oxyhydroxides during OER. This transformation, along with the formation of selenium oxyanions and unstable heterointerfaces, complicates the structure-activity relationship and reduces stability. This work introduces novel "layered-hierarchical dual lattice strain engineering" to inhibit the surface reconstruction of NiSe by modulating both the nickel foam (NF) substrate with MoN nanosheets (NM) and the NiSe nanorods-nanosheets catalytic layer (NiSe-NiSe-NiO, NSN) with ultrafast interfacial bimetallic amorphous NiFeOOH coating, achieving the optimized NM/NSN/NiFeOOH configuration.
View Article and Find Full Text PDFArticle Synopsis
- A new iron-based electrocatalyst, nitrogen-doped FeMoO/MoN on nickel foam (NF@FMO/MN), has been developed for efficient hydrogen production in alkaline freshwater and seawater electrolysis.
- This catalyst achieves impressive low overpotentials of 23/29 mV at 10 mA/cm² and 112/159 mV at 100 mA/cm², outperforming the standard FeMoO catalyst.
- The enhanced performance is due to the catalyst's ability to lower water activation energy and improve water dissociation and hydrogen adsorption rates, making it a promising advancement in the field of electrocatalysis.