1 Ocak 2023 Dergi makalesi Açık Erişim

Ahangari, Mohammad; Mostafaei, Jafar; Sayyah, Ali; Mahmoudi, Elham; Asghari, Elnaz; Coruh, Ali; Delibas, Nagihan; Niaei, Aligholi

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    "creators": [
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        "affiliation": "Univ Tabriz, Dept Chem & Petr Engn, Tabriz, Iran", 
        "name": "Ahangari, Mohammad"
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      {
        "affiliation": "Univ Tabriz, Fac Chem, Dept Phys Chem, Tabriz, Iran", 
        "name": "Mostafaei, Jafar"
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      {
        "name": "Sayyah, Ali"
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      {
        "affiliation": "Univ Tabriz, Dept Chem & Petr Engn, Tabriz, Iran", 
        "name": "Mahmoudi, Elham"
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      {
        "affiliation": "Univ Tabriz, Fac Chem, Dept Phys Chem, Tabriz, Iran", 
        "name": "Asghari, Elnaz"
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      {
        "affiliation": "Univ Sakarya, Fac Art & Sci, Dept Phys, Sakarya, Turkiye", 
        "name": "Coruh, Ali"
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      {
        "affiliation": "Univ Sakarya, Fac Art & Sci, Dept Phys, Sakarya, Turkiye", 
        "name": "Delibas, Nagihan"
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      {
        "name": "Niaei, Aligholi"
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    "description": "<p>In this study, perovskite materials SrFexCo1-xO3-delta (SCF-x, x = 0.2, 0.5, 0.8) were synthesized by sol-gel combustion and investigated as electrode materials for supercapacitors. The crystalline structure and morphology of the synthesized samples were thoroughly investigated using X-ray Diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), Raman spectroscopy, Scanning Electron Microscope (SEM), and Energy Dispersive X-ray Spectroscopy (EDS) analyses. Partial substitution in the B-site of the perovskite structure affects the oxygen vacancy concentration and changes its electrochemical properties. Among the synthesized samples, SCF-0.8 exhibited a faradaic behavior and the highest specific capacitance (433 F center dot g(-1)) at 2 A center dot g(-1) current density. This sample also has a lower inherent resistance to ion and electron diffusion. The better electrochemical performance of SCF-0.8 is due to its morphology, perovskite crystal structure, and greater oxygen vacancy concentration. Long charge-discharge cycles were utilized to test the electrochemical stability of SCF-0.8. The specific capacitance reached around 60 % of its initial value after 2500 charge-discharge cycles.</p>", 
    "doi": "10.1016/j.est.2023.107034", 
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    "journal": {
      "pages": "10", 
      "title": "JOURNAL OF ENERGY STORAGE", 
      "volume": "63"
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    "publication_date": "2023-01-01", 
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    "science_branches": [
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    "title": "Investigation of structural and electrochemical properties of SrFe<sub>x</sub>Co<sub>1-x</sub>O<sub>3-\u03b4</sub> perovskite oxides as a supercapacitor electrode material"
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