Engineering CoMn2O₄ nanofibers: Enhancing one-dimensional electrode materials for high-performance supercapacitors

IF 4 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Synthetic Metals Pub Date : 2025-01-21 DOI:10.1016/j.synthmet.2025.117836

Sidraya N. Jirankalagi , Avinash C. Molane , Sarjerao M. Sutar , Ramesh N. Mulik , Manickam Selvaraj , Kalathiparambil Rajendra Pai Sunajadevi , Vikas B. Patil

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Abstract

One-dimensional CoMn₂O₄ nanofibers were developed via the electrospinning method, offers a novel approach for designing electrode materials for energy storage device -supercapacitors. Field emission scanning electron microscopy (FESEM) with EDX confirmed the highly porous CoMn₂O₄ phase with desired composition. Elemental mapping studies confirmed uniform distribution of Co, Mn, and O elements throughout the nanofibers.Electrochemical studies underscored the crucial role of structural voids and spacing in enhancing energy storage capacity, establishing CoMn₂O₄ as a promising electrode material. Specific energy and power studies yielded remarkable results of 93.84 Whr/kg and 55.20 kW/kg, respectively. Additionally, specific capacitance determination returned 937.42 F/g, indicating exceptional charging and discharging performance over 1000 cycles with 93.3 % capacitance retention. Moreover, the flexible symmetric supercapacitor is expected to demonstrate exceptional flexibility and electrochemical stability, achieving a specific energy of 232 Wh/kg and a specific power of 84 kW/kg at a current density of 1 mA/cm². These findings advance our understanding of CoMn₂O₄ nanofibers and offer insights into developing efficient and stable energy storage systems for diverse applications.

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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.