Optimizing the hydrogen adsorption strength on interfacial Ru sites with WN for high-efficiency hydrogen evolution

Abstract

As a member of the platinum group metals, Ru has been considered as ideal substitute for Pt in hydrogen evolution reaction (HER) owing to superior hydrolytic dissociation ability. However, the...

Electrocatalysts Design Guided by Active Intermediates of Hydrogen Evolution Reaction

“…In addition to carbon‐based materials, other transition metal compounds such as WC, [ 63–65 ] WN, [ 66–68 ] Mo 2 C, [ 69,70 ] NiO, [ 71,72 ] and Fe 3 O 4 [ 73 ] have also been demonstrated as effective supporting materials for optimizing the H‐adsorption strength on active sites. These compounds typically exhibit superior interaction between active sites and supporting materials compared to carbon‐based materials.…”

Interfacial electron-engineered tungsten oxynitride interconnected rhodium layer for highly efficient all-pH-value hydrogen production

“…For instance, WN with Pt-like electronic properties has been developed to tune the charge density of Ru, and optimize the interfacial Ru–H binding energy, thus greatly improving the HER performance. 39 The WC substrate can efficiently decrease the energy barriers of water dissociation, leading to significantly enhanced electrocatalytic activity of the lattice-confined atomic Pt in WC towards alkaline HER. 40 Recently, both theoretical and experimental studies have revealed that the surface-covered oxygen on TMN catalysts can optimize the binding energies of reaction intermediates, thus further enhancing their catalytic activity.…”