Next Article in Journal
Novel Bifunctional Nitrogen Doped MoS2/COF-C4N Vertical Heterostructures for Electrocatalytic HER and OER
Previous Article in Journal
Synergetic Adsorption–Photocatalytic Activated Fenton System via Iron-Doped g-C3N4/GO Hybrid for Complex Wastewater
Previous Article in Special Issue
Hydrogen Evolution Volcano(es)—From Acidic to Neutral and Alkaline Solutions
 
 
Search for Articles:
Title / Keyword
Author / Affiliation / Email
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
 
Journals
Catalysts
Volume 13
Issue 1
10.3390/catal13010089
catalysts-logo
Submit to this Journal Review for this Journal Propose a Special Issue
► Article Menu

Article Menu

share Share announcement Help format_quote Cite question_answer Discuss in SciProfiles
first_page
settings
Order Article Reprints
Font Type:
Arial Georgia Verdana
Font Size:
Aa Aa Aa
Line Spacing:
Column Width:
Background:
Article

Redrawing HER Volcano with Interfacial Processes—The Role of Hydrogen Spillover in Boosting H2 Evolution in Alkaline Media

by
Sanjin J. Gutić
1,
Dino Metarapi
2,
Aleksandar Z. Jovanović
3,
Goitom K. Gebremariam
3,4,
Ana S. Dobrota
3,
Bojana Nedić Vasiljević
3 and
Igor A. Pašti
3,*
1
Department of Chemistry, Faculty of Science, University of Sarajevo, 71000 Sarajevo, Bosnia and Herzegovina
2
National Institute of Chemistry, 1000 Ljubljana, Slovenia
3
Faculty of Physical Chemistry, University of Belgrade, 11000 Belgrade, Serbia
4
Department of Chemistry, National Higher Education and Research Institute, Mai Nefhi College of Science, Asmara 12676, Eritrea
*
Author to whom correspondence should be addressed.
Catalysts 2023, 13(1), 89; https://doi.org/10.3390/catal13010089
Submission received: 26 November 2022 / Revised: 28 December 2022 / Accepted: 28 December 2022 / Published: 1 January 2023
(This article belongs to the Special Issue Advanced Nanomaterials for Electrocatalysis: Synthesis, Characterization and Application)
Browse Figures
Versions Notes

Abstract

The requirements for the efficient replacement of fossil fuel, combined with the growing energy crisis, places focus on hydrogen production. Efficient and cost-effective electrocatalysts are needed for H2 production, and novel strategies for their discovery must be developed. Here, we utilized Kinetic Monte Carlo (KMC) simulations to demonstrate that hydrogen evolution reaction (HER) can be boosted via hydrogen spillover to the support when the catalyst surface is largely covered by adsorbed hydrogen under operating conditions. Based on the insights from KMC, we synthesized a series of reduced graphene-oxide-supported catalysts and compared their activities towards HER in alkaline media with that of corresponding pure metals. For Ag, Au, and Zn, the support effect is negative, but for Pt, Pd, Fe, Co, and Ni, the presence of the support enhances HER activity. The HER volcano, constructed using calculated hydrogen binding energies and measured HER activities, shows a positive shift of the strong binding branch. This work demonstrates the possibilities of metal–support interface engineering for producing effective HER catalysts and provides general guidelines for choosing novel catalyst–support combinations for electrocatalytic hydrogen production.
Keywords: hydrogen evolution reaction; hydrogen spillover; interfacial processes; supported catalysts; reduced graphene oxide; kinetic Monte Carlo; volcano curve; hydrogen adsorption hydrogen evolution reaction; hydrogen spillover; interfacial processes; supported catalysts; reduced graphene oxide; kinetic Monte Carlo; volcano curve; hydrogen adsorption
Graphical Abstract

Share and Cite

MDPI and ACS Style

Gutić, S.J.; Metarapi, D.; Jovanović, A.Z.; Gebremariam, G.K.; Dobrota, A.S.; Nedić Vasiljević, B.; Pašti, I.A. Redrawing HER Volcano with Interfacial Processes—The Role of Hydrogen Spillover in Boosting H2 Evolution in Alkaline Media. Catalysts 2023, 13, 89. https://doi.org/10.3390/catal13010089

AMA Style

Gutić SJ, Metarapi D, Jovanović AZ, Gebremariam GK, Dobrota AS, Nedić Vasiljević B, Pašti IA. Redrawing HER Volcano with Interfacial Processes—The Role of Hydrogen Spillover in Boosting H2 Evolution in Alkaline Media. Catalysts. 2023; 13(1):89. https://doi.org/10.3390/catal13010089

Chicago/Turabian Style

Gutić, Sanjin J., Dino Metarapi, Aleksandar Z. Jovanović, Goitom K. Gebremariam, Ana S. Dobrota, Bojana Nedić Vasiljević, and Igor A. Pašti. 2023. "Redrawing HER Volcano with Interfacial Processes—The Role of Hydrogen Spillover in Boosting H2 Evolution in Alkaline Media" Catalysts 13, no. 1: 89. https://doi.org/10.3390/catal13010089

APA Style

Gutić, S. J., Metarapi, D., Jovanović, A. Z., Gebremariam, G. K., Dobrota, A. S., Nedić Vasiljević, B., & Pašti, I. A. (2023). Redrawing HER Volcano with Interfacial Processes—The Role of Hydrogen Spillover in Boosting H2 Evolution in Alkaline Media. Catalysts, 13(1), 89. https://doi.org/10.3390/catal13010089

Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. See further details here.

Article Metrics

Back to TopTop