Enhanced Electrochemical Behavior of PANI/Mn-BTC Nanocomposite as Electrode for Superior Supercapacitor

IF 3.2 4区 工程技术 Q2 CHEMISTRY, MULTIDISCIPLINARY
Noor Jawad Kadhim, Mohsen Ghorbani
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引用次数: 0

Abstract

The development of efficient electrode materials is crucial for high-performance energy storage devices. In this study, a polyaniline/metal–organic framework (PANI/Mn-BTC) nanocomposite was synthesized and structurally characterized to confirm its successful formation. Metal–organic frameworks (MOFs) have recently emerged as promising candidates for electrode fabrication due to their well-defined crystalline structures, accessible metal sites, and high specific surface areas. Polyaniline (PANI), known for its low cost, multiple redox sites, and facile synthesis, has also attracted considerable attention for energy storage applications. The integration of these two materials in the PANI/Mn-BTC nanocomposite offers synergistic advantages that enhance electrochemical performance. Electrochemical evaluations demonstrated improved properties of the nanocomposite, indicating its potential as an effective electrode material for supercapacitors. The nanocomposite exhibited a high specific capacitance of 894 F/g at a current density of 1 A/g, along with excellent cycling stability, retaining 98% of its capacitance after 1000 charge–discharge cycles. Furthermore, electrochemical impedance spectroscopy (EIS) analysis revealed a low charge transfer resistance of the PANI/Mn-BTC electrode, which is attributed to the synergistic effects between the components and the large surface area of the nanocomposite.

PANI/Mn-BTC纳米复合材料作为超级电容器电极的电化学性能增强研究
高效电极材料的开发是高性能储能器件的关键。本研究合成了聚苯胺/金属有机骨架(PANI/Mn-BTC)纳米复合材料,并对其进行了结构表征。金属有机框架(mof)由于其明确的晶体结构,可接近的金属位置和高比表面积,最近成为电极制造的有希望的候选者。聚苯胺(PANI)以其低成本、多氧化还原位点和易于合成而闻名,在储能方面的应用也引起了人们的广泛关注。这两种材料在聚苯胺/锰- btc纳米复合材料中的集成提供了增强电化学性能的协同优势。电化学评价表明,纳米复合材料的性能有所改善,表明其有潜力成为超级电容器的有效电极材料。该纳米复合材料在电流密度为1 a /g时具有894 F/g的高比电容,并且具有优异的循环稳定性,在1000次充放电循环后仍能保持98%的电容。电化学阻抗谱(EIS)分析表明,聚苯胺/锰- btc电极具有较低的电荷转移电阻,这是由于组分之间的协同作用和纳米复合材料的大表面积。
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来源期刊
Korean Journal of Chemical Engineering
Korean Journal of Chemical Engineering 工程技术-工程:化工
CiteScore
4.60
自引率
11.10%
发文量
310
审稿时长
4.7 months
期刊介绍: The Korean Journal of Chemical Engineering provides a global forum for the dissemination of research in chemical engineering. The Journal publishes significant research results obtained in the Asia-Pacific region, and simultaneously introduces recent technical progress made in other areas of the world to this region. Submitted research papers must be of potential industrial significance and specifically concerned with chemical engineering. The editors will give preference to papers having a clearly stated practical scope and applicability in the areas of chemical engineering, and to those where new theoretical concepts are supported by new experimental details. The Journal also regularly publishes featured reviews on emerging and industrially important subjects of chemical engineering as well as selected papers presented at international conferences on the subjects.
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