利用基于 NiO-rGO 纳米结构的复合电极实现高性能电化学应用

IF 3.1 4区工程技术 Q2 ELECTROCHEMISTRY

Journal of The Electrochemical Society Pub Date : 2024-08-08 DOI:10.1149/1945-7111/ad6d01

Muhammad Miteeullah, U. Draz, Ammar Tariq, Rafia Nasir, Muhammad Irfan, S. Ramay, S. Atiq

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引用次数: 0

摘要

人们迫切希望从化石燃料过渡到可持续能源解决方案，这推动了对先进能源转换和储存技术的探索。在此背景下，超级电容器因其高循环寿命和功率密度而备受关注。本研究介绍了用于电池类型应用的 NiO 和 NiO/rGO 复合材料（NO-I、NO-II 和 NO-III）的简便合成方法，重点关注其结构、形态和电化学特性。结果表明，NO-III 成功地制造出了具有显著孔隙率的结晶材料。电化学分析揭示了电池类型的行为，比容量（Q）与扫描速率之间存在反比关系。电晕静态充放电（GCD）测量突出显示了更强的电荷存储能力，尤其是在 NO-III 中。GCD 结果显示，在 1.7 Ag-1 时，NO-III 的比容量（Q = 288 Cg-1）、能量密度（E = 36.12 Wh/kg）和功率密度（P = 3.06 kW/h）均达到最大值，突出表明了其在先进储能系统中的潜力。

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Utilization of NiO-rGO Nanoarchitectures-Based Composite Electrodes for High-Performance Electrochemical Applications

The urge to transition from fossil fuels to sustainable energy solutions has driven the exploration of advanced energy conversion and storage technologies. In this context, supercapacitors have garnered substantial interest for their high cyclic life span and power density. This study presents the facile synthesis of NiO and NiO/rGO composites (NO-I, NO-II, and NO-III) for battery-type applications, with a focus on their structural, morphological, and electrochemical characterizations. The results indicate the successful fabrication of crystalline materials with notable porosity in NO-III. Electrochemical analysis reveals battery-type behavior, with an inverse relationship between specific capacity (Q) and scan rates. Galvanostatic charge-discharge (GCD) measurements highlight enhanced charge storage capability, particularly in NO-III. GCD results showed the maximum values for (Q = 288 Cg-1), energy density (E = 36.12 Wh/kg), and power density (P= 3.06 kW/h) at 1.7 Ag-1 for NO-III, underscoring its potential for advanced energy storage systems.

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来源期刊

Journal of The Electrochemical Society 工程技术-电化学

CiteScore

7.20

自引率

12.80%

发文量

1369

审稿时长

1.5 months

期刊介绍： The Journal of The Electrochemical Society (JES) is the leader in the field of solid-state and electrochemical science and technology. This peer-reviewed journal publishes an average of 450 pages of 70 articles each month. Articles are posted online, with a monthly paper edition following electronic publication. The ECS membership benefits package includes access to the electronic edition of this journal.