دورية أكاديمية
DEVELOPMENT OF MNO2/PANI/SWCNT NANOCOMPOSITE SUPERCAPACITOR ELECTRODE AND INVESTIGATION OF ELECTROCHEMICAL PERFORMANCE
| العنوان: | DEVELOPMENT OF MNO2/PANI/SWCNT NANOCOMPOSITE SUPERCAPACITOR ELECTRODE AND INVESTIGATION OF ELECTROCHEMICAL PERFORMANCE |
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| المؤلفون: | Çağatay Özada, Murat Yazıcı, Hakkı Özer, Merve Ünal |
| المصدر: | Uludağ University Journal of The Faculty of Engineering, Vol 28, Iss 3, Pp 887-904 (2023) |
| بيانات النشر: | Bursa Uludag University, 2023. |
| سنة النشر: | 2023 |
| المجموعة: | LCC:Technology LCC:Engineering (General). Civil engineering (General) |
| مصطلحات موضوعية: | supecapacitor, carbon nanotubes, electrode, polyaniline, süperkapasitör, karbon nanotüp, elektrot, polianilin, Technology, Engineering (General). Civil engineering (General), TA1-2040 |
| الوصف: | In this study, a manganese dioxide (MnO2/polyaniline (PANI)/ single-walled carbon nanotube (SWCNT) nanocomposite electrode was prepared for pseudo-supercapacitors. To reduce the internal resistance of the electrode, increase the capacitance stability, and reduce the cost of single-walled carbon nanotubes, SWCNT was subjected to two-step acid etching. The purity of SWCNT was improved from ~95% to 99.98%. In addition, SWCNT was functionalized by this process. Thus, a nanocomposite was formed by coating PANI around SWCNT. MnO2/PANI/SWCNT were synthesized using the hydrothermal method. Morphological, chemical and thermal analyses of the synthesized nanocomposite structure were carried out. In addition, X-ray diffraction (XRD) was used to determine the crystal structure. Electrochemical analyses were performed using a three-electrode system in a 1 M KOH electrolyte solution. Cyclic voltammetry (CV) and galvanostatic charge-discharge (GCD) measurements were performed. The capacitance of the nanocomposite electrode at 400 cycles was 314 mF/cm2, and the capacitance retention stability was calculated at 73.24%. The results showed that the capacitance stability was high, and the supercapacitor was sensitive to redox reactions. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English Turkish |
| تدمد: | 2148-4155 |
| Relation: | https://dergipark.org.tr/tr/download/article-file/3115423; https://doaj.org/toc/2148-4155 |
| DOI: | 10.17482/uumfd.1290797 |
| URL الوصول: | https://doaj.org/article/16e4d78db37a46dea5a2a1872ce35d16 |
| رقم الأكسشن: | edsdoj.16e4d78db37a46dea5a2a1872ce35d16 |
| قاعدة البيانات: | Directory of Open Access Journals |
Full Text Finder | تدمد: | 21484155 |
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| DOI: | 10.17482/uumfd.1290797 |