Journal ArticleDOI
Transition metal carbides (WC, Mo2C, TaC, NbC) as potential electrocatalysts for the hydrogen evolution reaction (HER) at medium temperatures
Simon Meyer,Aleksey Valerievich Nikiforov,Irina Petrushina,Klaus Köhler,Erik Christensen,Jens Oluf Jensen,Niels J. Bjerrum +6 more
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TLDR
In this article, a model system for solid acid membrane electrolyser cells was presented, where metal carbide coated wires prepared by a two-step oxidation-carburization reaction of the metal wire surfaces were used as electrodes and allowed the measurement of the intrinsic catalytic properties of different transition metal carbides in direct comparison to Pt at 260-°C.About:
This article is published in International Journal of Hydrogen Energy.The article was published on 2015-02-23. It has received 151 citations till now. The article focuses on the topics: Carbide & Electrolysis of water.read more
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Recent Advances in Electrocatalytic Hydrogen Evolution Using Nanoparticles.
TL;DR: The fundamentals of HER are summarized and the recent state-of-the-art advances in the low-cost and high-performance catalysts based on noble and non-noble metals, as well as metal-free HER electrocatalysts are reviewed.
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Electrocatalysts for hydrogen evolution reaction
Ali Eftekhari,Ali Eftekhari +1 more
TL;DR: In this paper, three categories of non-noble metal electrocatalysts are under heavy investigations: (i) alloys, (ii) transition metal compounds, and (iii) carbonaceous nanomaterials.
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Electronic Metal–Support Interaction of Single-Atom Catalysts and Applications in Electrocatalysis
TL;DR: The types, characterization, mechanism, and electrocatalytic applications of EMSI are comprehensively summarized and discussed and the challenges, opportunities, and future development of the EMSI on SACs are proposed to present an overall view and reference to the later research.
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Advances in alkaline water electrolyzers: a review
Martín David,Martín David,Martín David,Carlos Ocampo-Martinez,Ricardo S. Sánchez-Peña,Ricardo S. Sánchez-Peña +5 more
TL;DR: In this article, the main focus is made on electrolysis, a mature procedure, and some developed proposals as previous steps to the hydrogen economy are presented, while some lines of research to improve alkaline electrolysis technology are commented.
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Earth abundant materials beyond transition metal dichalcogenides: A focus on electrocatalyzing hydrogen evolution reaction
TL;DR: In this paper, a review of earth abundant materials beyond transition metal dichalcogenides, such as transition metal phosphides, carbides, nitrides, demonstrate highly active and efficient activity toward hydrogen evolution reaction (HER) under different conditions.
References
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Activity benchmarks and requirements for Pt, Pt-alloy, and non-Pt oxygen reduction catalysts for PEMFCs
TL;DR: In this article, the authors quantified the activities and voltage loss modes for state-of-the-art MEAs (membrane electrode assemblies), specifies performance goals needed for automotive application, and provides benchmark oxygen reduction activities for state of the art platinum electrocatalysts.
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Computational high-throughput screening of electrocatalytic materials for hydrogen evolution
TL;DR: A density functional theory-based, high-throughput screening scheme that successfully uses these strategies to identify a new electrocatalyst for the hydrogen evolution reaction (HER), which is found to have a predicted activity comparable to, or even better than, pure Pt, the archetypical HER catalyst.
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Universality in Oxygen Evolution Electrocatalysis on Oxide Surfaces
Isabela C. Man,Hai-Yan Su,Federico Calle-Vallejo,Heine Anton Hansen,José I. Martínez,Nilay İnoğlu,John R. Kitchin,Thomas F. Jaramillo,Jens K. Nørskov,Jan Rossmeisl +9 more
TL;DR: In this article, a large database of HO* and HOO* adsorption energies on oxide surfaces was used to analyze the reaction free energy diagrams of all the oxides in a general way.
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Trends in the exchange current for hydrogen evolution
Jens K. Nørskov,Thomas Bligaard,Ashildur Logadottir,John R. Kitchin,Jingguang G. Chen,S. Pandelov,Ulrich Stimming +6 more
TL;DR: A density functional theory database of hydrogen chemisorption energies on close packed surfaces of a number of transition andnoble metals is presented in this article, where the bond energies are used to understand the trends in the exchange current for hydrogen evolution.
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Electrolysis of water on oxide surfaces
TL;DR: In this paper, density functional theory (DFT) calculations are performed to analyze the electrochemical water-splitting process producing molecular oxygen (O 2 ) and hydrogen (H 2 ).