Ru–Ni nanoparticles electrodeposited on rGO/Ni foam as a binder-free, stable and high-performance anode catalyst for direct hydrazine fuel cell
Bimetallic Ru–Ni nanoparticles was synthesized on the reduced graphene oxide decorated Ni foam (Ru–Ni/rGO/NF) by electroplating method to be utilized as the anode electrocatalyst for direct hydrazine-hydrogen peroxide fuel cells (DHzHPFCs). The synthesized electrocatalysts were characterized by X-ra...
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| Format: | Article |
| Language: | English |
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Elsevier
2023-06-01
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| Series: | Heliyon |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2405844023040951 |
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| author | Tahereh Mohammadi Karim Asadpour-Zeynali Mir Reza Majidi Mir Ghasem Hosseini |
| author_facet | Tahereh Mohammadi Karim Asadpour-Zeynali Mir Reza Majidi Mir Ghasem Hosseini |
| author_sort | Tahereh Mohammadi |
| collection | DOAJ |
| description | Bimetallic Ru–Ni nanoparticles was synthesized on the reduced graphene oxide decorated Ni foam (Ru–Ni/rGO/NF) by electroplating method to be utilized as the anode electrocatalyst for direct hydrazine-hydrogen peroxide fuel cells (DHzHPFCs). The synthesized electrocatalysts were characterized by X-ray diffraction, Field emission scanning electron microscopy, Fourier transform infrared spectroscopy, and Raman spectroscopy. The electrochemical properties of catalysts towards hydrazine oxidation reaction in an alkaline medium were evaluated by cyclic voltammetry, chronoamperometry, and electrochemical impedance spectroscopy. In the case of Ru1–Ni3/rGO/NF electrocatalyst, Ru1–Ni3 provided active sites due to low activation energy (22.24 kJ mol−1) for hydrazine oxidation reaction and reduced graphene oxide facilitated charge transfer by increasing electroactive surface area (EASA = 677.5 cm2) with the small charge transfer resistance (0.1 Ω cm2). The CV curves showed that hydrazine oxidation on the synthesized electrocatalysts was a first-order reaction in low concentrations of N2H4 and the number of exchanged electrons was 3.0. In the single cell of the of direct hydrazine-hydrogen peroxide fuel cell, the maximum power density value of Ru1–Ni3/rGO/NF electrocatalyst was 206 mW cm−2 and the open circuit voltage was 1.73 V at 55 °C. These results proved that the Ru1–Ni3/rGO/NF is a promising candidate for using as the free-binder anode electrocatalyst in the future application of direct hydrazine-hydrogen peroxide fuel cells due to its excellent structural stability, ease of synthesis, low cost, and high catalytic performance. |
| first_indexed | 2024-03-13T06:48:36Z |
| format | Article |
| id | doaj.art-9ce9087ad17342eeb07f34eb18382ed3 |
| institution | Directory Open Access Journal |
| issn | 2405-8440 |
| language | English |
| last_indexed | 2024-03-13T06:48:36Z |
| publishDate | 2023-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Heliyon |
| spelling | doaj.art-9ce9087ad17342eeb07f34eb18382ed32023-06-08T04:19:36ZengElsevierHeliyon2405-84402023-06-0196e16888Ru–Ni nanoparticles electrodeposited on rGO/Ni foam as a binder-free, stable and high-performance anode catalyst for direct hydrazine fuel cellTahereh Mohammadi0Karim Asadpour-Zeynali1Mir Reza Majidi2Mir Ghasem Hosseini3Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, IranDepartment of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran; Corresponding author.Electrochemistry Research Laboratory, Department of Physical Chemistry, Chemistry Faculty, University of Tabriz, Tabriz, IranElectrochemistry Research Laboratory, Department of Physical Chemistry, Chemistry Faculty, University of Tabriz, Tabriz, Iran; Engineering Faculty, Department of Materials Science and Nanotechnology, Near East University, 99138 Nicosia, North Cyprus, Mersin 10, Turkey; Corresponding author. Electrochemistry Research Laboratory, Department of Physical Chemistry, Chemistry Faculty, University of Tabriz, Tabriz, Iran.Bimetallic Ru–Ni nanoparticles was synthesized on the reduced graphene oxide decorated Ni foam (Ru–Ni/rGO/NF) by electroplating method to be utilized as the anode electrocatalyst for direct hydrazine-hydrogen peroxide fuel cells (DHzHPFCs). The synthesized electrocatalysts were characterized by X-ray diffraction, Field emission scanning electron microscopy, Fourier transform infrared spectroscopy, and Raman spectroscopy. The electrochemical properties of catalysts towards hydrazine oxidation reaction in an alkaline medium were evaluated by cyclic voltammetry, chronoamperometry, and electrochemical impedance spectroscopy. In the case of Ru1–Ni3/rGO/NF electrocatalyst, Ru1–Ni3 provided active sites due to low activation energy (22.24 kJ mol−1) for hydrazine oxidation reaction and reduced graphene oxide facilitated charge transfer by increasing electroactive surface area (EASA = 677.5 cm2) with the small charge transfer resistance (0.1 Ω cm2). The CV curves showed that hydrazine oxidation on the synthesized electrocatalysts was a first-order reaction in low concentrations of N2H4 and the number of exchanged electrons was 3.0. In the single cell of the of direct hydrazine-hydrogen peroxide fuel cell, the maximum power density value of Ru1–Ni3/rGO/NF electrocatalyst was 206 mW cm−2 and the open circuit voltage was 1.73 V at 55 °C. These results proved that the Ru1–Ni3/rGO/NF is a promising candidate for using as the free-binder anode electrocatalyst in the future application of direct hydrazine-hydrogen peroxide fuel cells due to its excellent structural stability, ease of synthesis, low cost, and high catalytic performance.http://www.sciencedirect.com/science/article/pii/S2405844023040951Ru-Ni/rGO/NFDHzHPFCsNickel foamElectroplatingHydrazine oxidation |
| spellingShingle | Tahereh Mohammadi Karim Asadpour-Zeynali Mir Reza Majidi Mir Ghasem Hosseini Ru–Ni nanoparticles electrodeposited on rGO/Ni foam as a binder-free, stable and high-performance anode catalyst for direct hydrazine fuel cell Heliyon Ru-Ni/rGO/NF DHzHPFCs Nickel foam Electroplating Hydrazine oxidation |
| title | Ru–Ni nanoparticles electrodeposited on rGO/Ni foam as a binder-free, stable and high-performance anode catalyst for direct hydrazine fuel cell |
| title_full | Ru–Ni nanoparticles electrodeposited on rGO/Ni foam as a binder-free, stable and high-performance anode catalyst for direct hydrazine fuel cell |
| title_fullStr | Ru–Ni nanoparticles electrodeposited on rGO/Ni foam as a binder-free, stable and high-performance anode catalyst for direct hydrazine fuel cell |
| title_full_unstemmed | Ru–Ni nanoparticles electrodeposited on rGO/Ni foam as a binder-free, stable and high-performance anode catalyst for direct hydrazine fuel cell |
| title_short | Ru–Ni nanoparticles electrodeposited on rGO/Ni foam as a binder-free, stable and high-performance anode catalyst for direct hydrazine fuel cell |
| title_sort | ru ni nanoparticles electrodeposited on rgo ni foam as a binder free stable and high performance anode catalyst for direct hydrazine fuel cell |
| topic | Ru-Ni/rGO/NF DHzHPFCs Nickel foam Electroplating Hydrazine oxidation |
| url | http://www.sciencedirect.com/science/article/pii/S2405844023040951 |
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