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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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Arunachalam, Prabhakarn
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2024Green Synthesis of Manganese-Cobalt Oxyhydroxide Nanocomposite as Electrocatalyst for Enhanced Oxygen Evolution Reaction in Alkaline Mediumcitations
- 2023Photoelectrochemical performance of strontium titanium oxynitride photo-activated with cobalt phosphate nanoparticles for oxidation of alkaline watercitations
- 2021Unprecedented solar water splitting of dendritic nanostructured Bi2O3 films by combined oxygen vacancy formation and Na2MoO4 dopingcitations
- 2020Nanofiber NiMoO4/g-C3N4 Composite Electrode Materials for Redox Supercapacitor Applicationscitations
- 2019Cooperative Catalytic Behavior of SnO2 and NiWO4 over BiVO4 Photoanodes for Enhanced Photoelectrochemical Water Splitting Performancecitations
- 2016Facile synthesis of Fe<sub>3</sub>O<sub>4</sub>nanorod decorated reduced graphene oxide (RGO) for supercapacitor applicationcitations
- 2016Efficient bi-functional electrocatalysts of strontium iron oxy-halides for oxygen evolution and reduction reactions in alkaline mediacitations
Places of action
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article
Efficient bi-functional electrocatalysts of strontium iron oxy-halides for oxygen evolution and reduction reactions in alkaline media
Abstract
<p>Strontium iron oxyhalide perovskitic oxides were investigated by electrochemical characterization as bi-functional electrocatalysts for oxygen evolution (OE) and oxygen reduction (OR) reactions in alkaline media. The electrochemical investigations showed that the presence of lower levels of oxygen and higher levels of chloride, as in Sr<sub>4</sub>Fe<sub>3</sub>O<sub>8</sub>Cl<sub>2</sub> and Sr<sub>2</sub>FeO<sub>2</sub>Cl<sub>2</sub> significantly enhanced the oxygen evolution and reduction over the other perovskitic oxides. Additionally, Sr<sub>4</sub>Fe<sub>3</sub>O<sub>8</sub>Cl<sub>2</sub> and Sr<sub>2</sub>FeO<sub>2</sub>Cl<sub>2</sub> was proven to have high bi-functional activity due to an overpotential gap (ΔE = 0.70 V) between the OER and ORR much lower than that of other similar perovskite bi-functional catalysts. In comparison with other strontium iron oxyhalide based electrocatalysts, Sr<sub>2</sub>FeO<sub>2</sub>Cl<sub>2</sub> was shown to have higher OER activities among all investigated catalysts. This work demonstrates that the oxygen-deficient layered perovskites of the type A<sub>2</sub>BO<sub>2</sub>X<sub>2</sub> are a new class of high-performance electrocatalysts for oxygen evolution (OE) and oxygen reduction (OR) reactions in alkaline media.</p>