LaCeOx coupled N-doped graphene/Ru single-atoms as a binary-site catalyst for efficient hydrogen evolution based on hydrogen spillover

Tailoring single-metal atom catalysts: a strategic defect engineering approach for electrochemical reduction reactions

“…25(a)). 171 Characterization analysis demonstrated that compared to pure CeO 2 , LaCeO x @NGr/Ru1 attained extra oxygen vacancies, resulting in larger capacity to absorb N 2 gas molecules. Furthermore, the performance of the catalyst is enhanced by ruthenium single atoms (Ru)SAs anchored to LaCeO x @NGr, which provide more electrons for H 2 generation.…”

“…Due to escalating global demand, the generation of hydrogen gas using water electrolysis becomes a significant component of clean and sustainable energy solutions. 171 The electrochemical hydrogen evolution reaction (HER) represents an interesting method for hydrogen production without releasing CO 2 into the atmosphere. 172,173 The production of hydrogen involves complex reactions that follow two pathways: the Volmer–Tafel (VT) or Volmer–Heyrovsky (VH) mechanisms.…”

Ruthenium-based single atom catalysts: synthesis and application in the electrocatalytic hydrogen evolution reaction

“…Inspired by the potential of multi-centre catalysts for the alkaline HER, Dao et al 38 synthesised oxygen-vacancy (O v )-rich LaCeO x coupled N-doped graphene/Ru SAs (LaCeO x @NGR/Ru 1 ) as an effective two-site HER catalyst. In alkaline media, LaCeO x @NGR/Ru 1 requires an overpotential of 22 mV to achieve a current density of 10 mA cm −2 ; the corresponding Tafel slope is 40 mV dec −1 .…”

Nanostructured nickel–cobalt alloy/rGO-SWCNT thin film as an efficient electrocatalyst for hydrogen evolution reactions

“…1,2 Due to this, the rapidly developing hydrogen energy techniques including hydrogen generation, hydrogen reserve and hydrogen utilization can be considered as an ideal route to solve environmental pollution and energy shortage. 3–7 Hydrogen generation involves water–gas shift reaction, 8–11 methanol steam reforming, 12–16 biomass gasification, 17–20 photocatalytic water splitting 21–25 and electro-catalytic water splitting. 26–29 Among these techniques, electro-catalytic water splitting is widely viewed as an efficient and viable strategy for green hydrogen production.…”