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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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Tang, Yali
Eindhoven University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2024Innovative Electrolytic Production of Iron Powder for the Circularity of Iron Fuel Cycle
- 2024Innovative Electrolytic Production of Iron Powder for the Circularity of Iron Fuel Cycle
- 2024On the formation of dendritic iron from alkaline electrochemical reduction of iron oxide prepared for metal fuel applicationscitations
- 2024On the formation of dendritic iron from alkaline electrochemical reduction of iron oxide prepared for metal fuel applicationscitations
- 2024A Rotating Disc Electrochemical Reactor to Produce Iron Powder for the Co2-Free Iron Fuel Cycle
- 2024RUST-TO-GREEN IRON
- 2023Dendritic Iron Formation in Low-Temperature Iron Oxide Electroreduction Process using Alkaline Solution
- 2023Dendritic Iron Formation in Low-Temperature Iron Oxide Electroreduction Process using Alkaline Solution
- 2023Minimum fluidization velocity and reduction behavior of combusted iron powder in a fluidized bedcitations
- 2023Sintering behavior of combusted iron powder in a packed bed reactor with nitrogen and hydrogencitations
- 2023Comparative study of electroreduction of iron oxide using acidic and alkaline electrolytes for sustainable iron productioncitations
- 2023Comparative study of electroreduction of iron oxide using acidic and alkaline electrolytes for sustainable iron productioncitations
- 2023Regenerating Iron via Electrolysis for CO2-Free Energy Storage and Carrier
- 2022Electrochemical Reduction of Iron Oxide - Produced from Iron Combustion - for the Valorization of Iron Fuel Cycle
- 2022Reactiekinetiek van verbrand ijzerpoeder met waterstof ; Reduction kinetics of combusted iron powder using hydrogencitations
- 2022Reduction kinetics of combusted iron powder using hydrogencitations
- 2022Experimental Study of Iron Oxide Electroreduction with Different Cathode Material
Places of action
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document
Regenerating Iron via Electrolysis for CO2-Free Energy Storage and Carrier
Abstract
To tackle the intermittency problem in renewable energy usage, it is necessary to develop sustainable energy storage and transportation technologies. One such solution is the use of iron powder as an energy carrier, which enables flexible energy usage. The combustion process releases the energy stored in iron powder while the solid product, i.e., iron oxide can be easily collected and then reduced to metallic iron, enforcing a recyclable iron fuel cycle (Fig.1). We investigate the use of electrochemical technique for iron regeneration in the context of the iron fuel cycle [1-4]. The laboratory-scale experiments with parallel plate electrolyzer using aqueous NaOH (50%wt, 18 M) suspended with micron-sized Fe2O3 (hematite) powder are conducted in the present work. We study the electrochemical performance and deposition behavior of the iron, exploring different parameters such as current density, iron oxide concentration, temperature, NaOH concentration, and powder size, with the aim of achieving optimal Faradaic efficiency. A high Faradaic efficiency (>90%) and high iron purity cathodic deposition have been achieved in relatively low electrical energy consumption (less than 6 kWh/kg). The metallic iron is deposited in the form of unique dendritic structures on the cathode. (Fig. 2). The dendrites are located primarily on the side and edge of the cathode, indicating a diffusion-controlled mechanism. This structure makes it easy for direct harvest of the iron powder. A new reactor design with a rotating disc as a cathode is proposed to realize continuous electrolytic iron powder production [4]. The obtained results open new perspectives for the completion of the iron fuel cycle, by enabling a sustainable regeneration of iron.<br/><br/>References:<br/>[1] N.van Graefschepe, A.I. Majid, Y. Tang, G. Finotello, J.van der Schaaf, N.G. Deen. 2022. NPS 17 Delft.<br/>[2] A.I. Majid, N.van Graefschepe, Y. Tang, G. Finotello, J.van der Schaaf, N.G. Deen. 2022. 32nd ISE Topical Meeting.<br/>[3] A.I. Majid, N.van Graefschepe, Y. Tang, G. Finotello, J.van der Schaaf, N.G. Deen. 2022. In preparation.<br/>[4] A.I. Majid, Y. Tang, G. Finotello, J.van der Schaaf, N.G. Deen. 2022. US Provisional Patent, 63/363,627<br/>