Journal ArticleDOI
New palladium alloys catalyst for the oxygen reduction reaction in an acid medium
Oumarou Savadogo,Oumarou Savadogo,Kunchan Lee,K. Oishi,Shigenori Mitsushima,Nobuyuki Kamiya,Kenichiro Ota +6 more
TLDR
In this paper, a palladium-based alloys catalysts without platinum for the oxygen reduction reaction (ORR) in an acid medium were shown for the first time and their electrochemical characteristics for ORR were determined at 30 °C in sulphuric acid.About:
This article is published in Electrochemistry Communications.The article was published on 2004-02-01. It has received 357 citations till now. The article focuses on the topics: Palladium & Catalysis.read more
Citations
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Recent Advances in Electrocatalysts for Oxygen Reduction Reaction
TL;DR: This comprehensive Review focuses on the low- and non-platinum electrocatalysts including advanced platinum alloys, core-shell structures, palladium-based catalysts, metal oxides and chalcogenides, carbon-based non-noble metal catalysts and metal-free catalysts.
Journal ArticleDOI
Catalyzing the Hydrogen Evolution Reaction (HER) with Molybdenum Sulfide Nanomaterials
Jesse D. Benck,Thomas R. Hellstern,Jakob Kibsgaard,Pongkarn Chakthranont,Thomas F. Jaramillo +4 more
TL;DR: In this paper, the turnover frequency, an intrinsic activity metric, and the total electrode activity, a device-oriented activity metric are compared between molybdenum sulfide catalysts.
Journal ArticleDOI
Palladium in fuel cell catalysis
TL;DR: In this paper, a comparison of binary and ternary platinum-based catalysts and non-platinum based catalysts for low-temperature fuel cells is presented, showing that the performance of Pd and Pd-containing catalysts can be improved with the addition of a suitable metal such as Co or Fe.
Journal ArticleDOI
Electroreduction of dioxygen for fuel-cell applications: materials and challenges.
TL;DR: A review of the oxygen reduction reaction and its use in fuel-cell applications is presented and mechanisms of the ORR and implementations of catalysts for this reaction are discussed.
Journal ArticleDOI
Pd-Fe nanoparticles as electrocatalysts for oxygen reduction.
TL;DR: New electrocatalysts for the O2 reduction reaction that does not contain Pt.
References
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Book
Electrochemical oxygen technology
TL;DR: Oxygen Electrochemistry as discussed by the authors describes the properties of fuel cells, metal/air batteries, and oxygen recombination in Batteries, as well as their application in industrial electrochemistry.
Journal ArticleDOI
Electrocatalytic reactivity for oxygen reduction at epitaxially grown Pd thin layers of various thickness on Au(111) and Au(100)
TL;DR: In this article, the epitaxially grown ultra thin Pd layers of various thicknesses on Au(111 and Au(100) single crystal surfaces in 50 mM HClO 4 solution saturated by oxygen were studied.
Journal ArticleDOI
Hypo–hyper-d-electronic interactive nature of synergism in catalysis and electrocatalysis for hydrogen reactions
TL;DR: The nature, causes and consequences of the existence of volcano plots along transition series with resulting theoretical conclusions have been extended on the Brewer hypo-hyper-d-electronic combinations of both intermetallic phases and interionic composites as mentioned in this paper.
Journal ArticleDOI
Five Percent Platinum‐Tungsten Oxide‐Based Electrocatalysts for Phosphoric Acid Fuel Cell Cathodes
Oumarou Savadogo,P. Beck +1 more
TL;DR: In this article, the effect of %WO{sub 3} (wt/wt) on the Pt-tungsten oxide/C-based electrode performance was studied, and the electrocatalytic properties for the oxygen reduction reaction (ORR) were found to be twice as high as those of 10% Pt, which contains double the amount of platinum.
Journal ArticleDOI
On the concept of synergetic systems of composite or modified materials and their electrocatalytic properties: (1) General approach
TL;DR: In this article, the effect of the active-site concentrations on the electrocatalytic properties of synergetic materials was analyzed based on the equations of the equilibrium between different types of active-sites.