| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Li, Qingfeng
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (28/28 displayed)
- 2022Feasibility of using thin polybenzimidazole electrolytes in high-temperature proton exchange membrane fuel cellscitations
- 2022Feasibility of using thin polybenzimidazole electrolytes in high-temperature proton exchange membrane fuel cellscitations
- 2020Polybenzimidazole-Based High-Temperature Polymer Electrolyte Membrane Fuel Cells: New Insights and Recent Progresscitations
- 2020Polybenzimidazole-Based High-Temperature Polymer Electrolyte Membrane Fuel Cells: New Insights and Recent Progresscitations
- 2020From polybenzimidazoles to polybenzimidazoliums and polybenzimidazolidescitations
- 2020Process for producing metal alloy nanoparticles
- 2019Thermally crosslinked sulfonated polybenzimidazole membranes and their performance in high temperature polymer electrolyte fuel cellscitations
- 2019Dynamics of double-pulse laser printing of copper microstructurescitations
- 2018Long-Term Durability of PBI-Based HT-PEM Fuel Cells: Effect of Operating Parameterscitations
- 2016Amino-Functional Polybenzimidazole Blends with Enhanced Phosphoric Acid Mediated Proton Conductivity as Fuel Cell Electrolytescitations
- 2016Amino-Functional Polybenzimidazole Blends with Enhanced Phosphoric Acid Mediated Proton Conductivity as Fuel Cell Electrolytescitations
- 2016Guanidinium nonaflate as a solid-state proton conductorcitations
- 2016Zero-Gap Alkaline Water Electrolysis Using Ion-Solvating Polymer Electrolyte Membranes at Reduced KOH Concentrationscitations
- 2016Zero-Gap Alkaline Water Electrolysis Using Ion-Solvating Polymer Electrolyte Membranes at Reduced KOH Concentrationscitations
- 2015The effect of preparation method on the proton conductivity of indium doped tin pyrophosphatescitations
- 2015Lowering the platinum loading of high temperature polymer electrolyte membrane fuel cells with acid doped polybenzimidazole membranescitations
- 2014Hydrogen evolution activity and electrochemical stability of selected transition metal carbides in concentrated phosphoric acidcitations
- 2014Hydrogen evolution activity and electrochemical stability of selected transition metal carbides in concentrated phosphoric acidcitations
- 2014Intermediate Temperature Steam Electrolysis with Phosphate-Based Electrolytes
- 2014Invited: A Stability Study of Alkali Doped PBI Membranes for Alkaline Electrolyzer Cells
- 2014Polybenzimidazole and sulfonated polyhedral oligosilsesquioxane composite membranes for high temperature polymer electrolyte membrane fuel cellscitations
- 2014Physicochemical properties of 1,2,4-triazolium perfluorobutanesulfonate as an archetypal pure protic organic ionic plastic crystal electrolyte
- 2014High Surface Area Tungsten Carbides: Synthesis, Characterization and Catalytic Activity towards the Hydrogen Evolution Reaction in Phosphoric Acid at Elevated Temperatures
- 2014High Surface Area Tungsten Carbides: Synthesis, Characterization and Catalytic Activity towards the Hydrogen Evolution Reaction in Phosphoric Acid at Elevated Temperatures
- 2013Catalyst Degradation in High Temperature Proton Exchange Membrane Fuel Cells Based on Acid Doped Polybenzimidazole Membranescitations
- 2011Oxidative degradation of polybenzimidazole membranes as electrolytes for high temperature proton exchange membrane fuel cellscitations
- 20101.7 nm Platinum Nanoparticles: Synthesis with Glucose Starch, Characterization and Catalysiscitations
- 2001Phosphoric acid doped polybenzimidazole membranes: Physiochemical characterization and fuel cell applications [PEM fuel cells]
Places of action
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article
Hydrogen evolution activity and electrochemical stability of selected transition metal carbides in concentrated phosphoric acid
Abstract
Alternative catalysts based on carbides of Group 5 (niobium and tantalum) and 6 (chromium, molybdenum and tungsten) metals were prepared as films on the metallic substrates. The electrochemical activities of these carbide electrodes towards the hydrogen evolution reaction (HER) in concentrated phosphoric acid were investigated in a temperature range from 80 to 170°C. A significant dependence of the activities on temperature was observed for all five carbide samples. Through the entire temperature range Group 6 metal carbides showed higher activity than that of the Group 5 metal carbides, attributable to the different electronic structures. Tungsten carbide among the studied electrode samples exhibited the highest HER activity. Upon anodic potential scans in the presence of oxygen, chromium, tantalum and tungsten carbides displayed passivation due to the formation of stable surface layers whereas niobium and molybdenum carbides seemed to undergo corrosion.