Promoting Nonacid Hydrogen Evolution over Ni4Mo/Cu by D-Band Regulation
Source abstract
Abstract
The hydrogen evolution reaction (HER) for Ni 4 Mo alloys in neutral and alkaline mediums is mainly restricted by the desorption of H atoms. Herein, Ni 4 Mo/Cu nanowires with abundant interfaces are constructed for enhanced HER activity by regulation of the d-band center. The obtained Ni 4 Mo/Cu exhibits ultralow overpotentials of 11 and 18 mV at 10 mA cm –2 in neutral and alkaline mediums, respectively. It is worth noting that the neutral activity represents the best among the non-noble-metal neutral HER catalysts. Spectral experiments and theoretical calculations reveal that the enhanced performance is mainly attributed to the downshift of the d-band center, which is favorable for the dissociation of H 2 O and desorption of H atoms.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Electrocatalysts for Energy Conversion · Catalytic Processes in Materials Science · Advanced battery technologies research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of Silicon and Advanced Semiconductor Materials, ZJU-Hangzhou Global Scientific and Technological Innovation Center, School of Materials Science & Engineering, Zhejiang University, Hangzhou 310027, China
Funding
National Natural Science Foundation of China
References (52)
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