Journals / Bor Dergisi / 2023 / Cilt: 8 - Sayı: 1

Production of Boron Doped Zinc Oxide Electrode Using Zinc Nitrate Hexahydrate and Effect on Supercapacitor Performance

Grafit/PTFE destekli bor takviyeli çinko oksit elektrot üretimi ve borun süper kapasitör performansına etkisi

Pages
1–8
Publication Date
2023-03-31
DOI
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

In addition, it has been observed that the electrode obtained by using 20% boron doped ZnO particles reaches the maximum specific capacitance value (29.41 F/g) and provides five-fold better performance than the undoped ZnO electrode.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, boron doped zinc oxide (ZnO:B) particles were produced by hydrothermal method using zinc nitrate hexahydrate (Zn(NO3)2.6H2O) precursor solution.
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Key Findings & Data:In the synthesis of ZnO:B powders, boron was added at 5%, 10%, 15% and 20% by weight.
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Conclusion & Impact:In addition, it has been observed that the electrode obtained by using 20% boron doped ZnO particles reaches the maximum specific capacitance value (29.41 F/g) and provides five-fold better performance than the undoped ZnO electrode.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Bor · Bor katkılı ZnO · Süperkapasitör elektrot

Abstract

In this study, boron doped zinc oxide (ZnO:B) particles were produced by hydrothermal method using zinc nitrate hexahydrate (Zn(NO3)2.6H2O) precursor solution. In the synthesis of ZnO:B powders, boron was added at 5%, 10%, 15% and 20% by weight. Physical characterization of the produced ZnO:B structures was performed by X-ray diffraction (XRD) and scanning electron microscope (SEM). From the results of the analysis, it was observed that the ZnO:B particles crystallized in the hexagonal würtzide structure and their morphological structures were in the form of hexagonal rods. ZnO:B electrodes were prepared by mixing 10% poly tetra fluorine ethylene (PTFE), 20% conductive graphite and 70% ZnO:B powders to form an area of 1 cm2 on Ni foam. Capacitance measurements of ZnO:B electrodes were made by Iviumstat potentiostat/galvanostat cyclic voltammetry using a three-electrode arrangement. Measurements were made at room temperature and 6M KOH solution was used as the electrolyte liquid. The electrochemical properties of ZnO:B electrodes prepared at different boron ratios were investigated by examining the capacitance, impedance and charging/discharging curves. It was observed that the capacitance values of the produced ZnO:B electrodes increased systematically as the boron concentration increased. In addition, it has been observed that the electrode obtained by using 20% boron doped ZnO particles reaches the maximum specific capacitance value (29.41 F/g) and provides five-fold better performance than the undoped ZnO electrode.

Özet

Bu çalışmada, bor katkılı çinko oksit (ZnO:B) parçacıklar hidrotermal yöntem ile çinko nitrat hekzahidrat (Zn(NO3)2.6H2O) öncü çözeltisi kullanılarak üretilmiştir. ZnO:B tozlarının sentezinde bor ağırlıkça %5, %10, %15 ve %20 oranlarında katkılanmıştır. Üretilen ZnO:B yapıların fiziksel karakterizasyonu X-ışını kırınımı (XRD) ve taramalı elektron mikroskopu (SEM) ile gerçekleştirilmiştir. Analiz sonuçlarından ZnO:B parçacıkların hekzagonal würtzide yapıda kristalleştiğini ve morfolojik yapılarının hekzagonal çubuk şeklinde olduğu gözlenmiştir. ZnO:B elektrotlar; %10 poli tetra florin etilen (PTFE), %20 iletken grafit ile %70 ZnO:B tozları karıştırılarak Ni köpük üzerine 1 cm2’ lik alan oluşturacak şekilde hazırlanmıştır. ZnO:B elektrotların kapasitans ölçümleri döngüsel voltametrisi (CV) yöntemi ile yapılmıştır. Ölçümler oda sıcaklığında gerçekleştirilip, elektrolit sıvısı olarak 6M KOH çözeltisi kullanılmıştır. Farklı bor oranlarında hazırlanan ZnO:B elektrotların elektrokimyasal özellikleri araştırılmıştır. Üretilen ZnO:B elektrotlarında bor konsantrasyonu arttıkça kapasitans değerlerinin sistematik bir şekilde arttığı gözlemlenmiştir. Ayrıca %20 bor katkılı ZnO parçacıklar kullanılarak elde edilen elektrotun maksimum spesifik kapasitans değerine (29,41 F/g) ulaştığı ve katkısız ZnO elektrota göre 5 kat daha iyi performans sağladığı gözlemlenmiştir.

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Cite This Article

TANRIVERDİ, A., TEKEREK, S. (2023). Production of Boron Doped Zinc Oxide Electrode Using Zinc Nitrate Hexahydrate and Effect on Supercapacitor Performance. Bor Dergisi, Cilt: 8 - Sayı: 1, 1–8. https://ajindex.com/articles/891696

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