Pseudocapacitive performance of cobaltite and nickel cobaltite electrodes fabricated by layer-by-layer chemical deposition method
The development of efficient strategies for fabricating binder-free electrodes to electrochemical energy storage applications is of interest. Here, a novel approach of layer-by-layer chemical deposition was proposed for the preparation of binderless cobaltite (Co3O4) and nickel cobaltite (NiCo2O4) p...
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Semnan University
2024-07-01
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| Series: | Progress in Physics of Applied Materials |
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| Online Access: | https://ppam.semnan.ac.ir/article_8978_7df92545243211d3d0599482cc590152.pdf |
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| author | Mahdi Kazazi Mohsen Mirzaie Javad Rahimi Junaqani |
| author_facet | Mahdi Kazazi Mohsen Mirzaie Javad Rahimi Junaqani |
| author_sort | Mahdi Kazazi |
| collection | DOAJ |
| description | The development of efficient strategies for fabricating binder-free electrodes to electrochemical energy storage applications is of interest. Here, a novel approach of layer-by-layer chemical deposition was proposed for the preparation of binderless cobaltite (Co3O4) and nickel cobaltite (NiCo2O4) pseudocapacitive electrodes. The structure and morphology of the electrodes were obtained by X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM) examinations. The results demonstrated that the active materials were uniformly deposited on the surface of the nickel current collector. Also, a more porous structure was obtained in the case of nickel cobaltite electrode, which could improve the diffusion of ions to the active materials. Pseudocapacitive performance of the electrodes was obtained by cyclic voltammetry (CV), galvanostatic charge-discharge (GCD) and electrochemical impedance spectroscopy (EIS) measurements. The results demonstrated that the nickel cobaltite electrode exhibited superior charge storage performance including a high specific capacitance of 1251 F g-1 at 1 A g-1 and good rate capability (89.7% capacitance retention with a 10-fold increase in the current rate), which were higher than those for the cobaltite electrode. |
| format | Article |
| id | doaj-art-07b2cda8ab044e8faf901e407c4b1f19 |
| institution | Kabale University |
| issn | 2783-4794 |
| language | English |
| publishDate | 2024-07-01 |
| publisher | Semnan University |
| record_format | Article |
| series | Progress in Physics of Applied Materials |
| spelling | doaj-art-07b2cda8ab044e8faf901e407c4b1f192025-01-15T08:13:46ZengSemnan UniversityProgress in Physics of Applied Materials2783-47942024-07-014214515110.22075/ppam.2024.34952.11118978Pseudocapacitive performance of cobaltite and nickel cobaltite electrodes fabricated by layer-by-layer chemical deposition methodMahdi Kazazi0Mohsen Mirzaie1Javad Rahimi Junaqani2Department of Materials Engineering, Faculty of Engineering, Malayer University, Malayer, IranDepartment of Materials Engineering, Faculty of Engineering, Malayer University, Malayer, IranDepartment of Materials Engineering, Faculty of Engineering, Malayer University, Malayer, IranThe development of efficient strategies for fabricating binder-free electrodes to electrochemical energy storage applications is of interest. Here, a novel approach of layer-by-layer chemical deposition was proposed for the preparation of binderless cobaltite (Co3O4) and nickel cobaltite (NiCo2O4) pseudocapacitive electrodes. The structure and morphology of the electrodes were obtained by X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM) examinations. The results demonstrated that the active materials were uniformly deposited on the surface of the nickel current collector. Also, a more porous structure was obtained in the case of nickel cobaltite electrode, which could improve the diffusion of ions to the active materials. Pseudocapacitive performance of the electrodes was obtained by cyclic voltammetry (CV), galvanostatic charge-discharge (GCD) and electrochemical impedance spectroscopy (EIS) measurements. The results demonstrated that the nickel cobaltite electrode exhibited superior charge storage performance including a high specific capacitance of 1251 F g-1 at 1 A g-1 and good rate capability (89.7% capacitance retention with a 10-fold increase in the current rate), which were higher than those for the cobaltite electrode.https://ppam.semnan.ac.ir/article_8978_7df92545243211d3d0599482cc590152.pdfnickel cobaltitechemical depositionbinder-free electrodesupercapacitors |
| spellingShingle | Mahdi Kazazi Mohsen Mirzaie Javad Rahimi Junaqani Pseudocapacitive performance of cobaltite and nickel cobaltite electrodes fabricated by layer-by-layer chemical deposition method Progress in Physics of Applied Materials nickel cobaltite chemical deposition binder-free electrode supercapacitors |
| title | Pseudocapacitive performance of cobaltite and nickel cobaltite electrodes fabricated by layer-by-layer chemical deposition method |
| title_full | Pseudocapacitive performance of cobaltite and nickel cobaltite electrodes fabricated by layer-by-layer chemical deposition method |
| title_fullStr | Pseudocapacitive performance of cobaltite and nickel cobaltite electrodes fabricated by layer-by-layer chemical deposition method |
| title_full_unstemmed | Pseudocapacitive performance of cobaltite and nickel cobaltite electrodes fabricated by layer-by-layer chemical deposition method |
| title_short | Pseudocapacitive performance of cobaltite and nickel cobaltite electrodes fabricated by layer-by-layer chemical deposition method |
| title_sort | pseudocapacitive performance of cobaltite and nickel cobaltite electrodes fabricated by layer by layer chemical deposition method |
| topic | nickel cobaltite chemical deposition binder-free electrode supercapacitors |
| url | https://ppam.semnan.ac.ir/article_8978_7df92545243211d3d0599482cc590152.pdf |
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