Eggshell-like MoS2 Nanostructures with Negative Curvature and Stepped Faces for Efficient Hydrogen Evolution Reactions
Source abstract
Abstract
As an alternative to the state-of-the-art Pt-based materials, MoS2 has attracted substantial attention as a hydrogen evolution reaction (HER) catalyst. In this study, density functional theory calculations reveal that negative curvature and stepped faces of MoS2 could weaken the hydrogen adsorption, leading to high intrinsic catalytic activity for HER. Based on this consideration, a MoS2 catalyst with an ultrathin eggshell-like nanostructure is designed and fabricated, where the uniform porous structure together with ultrathin layers exposes more active sites. Such a porous MoS2 catalyst exhibits an overpotential of 180 mV at a current density of −10 mA cm–2, outperforming most of the current MoS2 catalysts.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Electrocatalysts for Energy Conversion · Advanced battery technologies research · MXene and MAX Phase Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Automobile Materials (Jilin University), Ministry of Education and School of Materials Science and Engineering, Jilin University, Changchun 130022, China
Department of Materials Science and Engineering, University of Toronto, Toronto, Ontario M5S 3E4, Canada
Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario M5S 3G8, Canada
Funding
Natural Science Foundation of Jilin Province · National Natural Science Foundation of China · Fundamental Research Funds for the Central Universities
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