A Response Surface Methodology optimization approach to architect low-cost activated carbon-based ternary composite for supercapacitor application with enhanced electrochemical performance

IF 4 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Synthetic Metals Pub Date : 2025-01-26 DOI:10.1016/j.synthmet.2025.117844

Vikas Kumar Pandey , Sanjeev Verma , Bhawna Verma

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引用次数: 0

Abstract

Nowadays, energy storage technologies have attracted much interest because there is a massive demand for electronic gadgets, electric automobiles, and automotive applications. Supercapacitors are gaining prominence as electrochemical energy storage applications because of their exceptional properties like fast charging, high power density, and outstanding cyclic stability. They are designed to fill the performance barrier between traditional capacitors and conventional batteries. This paper reports detailed optimization studies for low-cost ternary composite materials for supercapacitive applications with the help of Response Surface Methodology (RSM). The optimum composition was 4:1.03:2.66 (polyaniline: activated carbon: cobalt ferrite) for best electrochemical performance. The specific capacitance of the optimized composite material was 687.9 F/g. The optimized ternary composite material also demonstrated the 47.5 Wh/kg highest energy density and extraordinarily high capacitance retention of 76.1 % after completing 5000 cycles.

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来源期刊

Synthetic Metals 工程技术-材料科学：综合

CiteScore

8.30

自引率

4.50%

发文量

189

审稿时长

33 days

期刊介绍： This journal is an international medium for the rapid publication of original research papers, short communications and subject reviews dealing with research on and applications of electronic polymers and electronic molecular materials including novel carbon architectures. These functional materials have the properties of metals, semiconductors or magnets and are distinguishable from elemental and alloy/binary metals, semiconductors and magnets.