Preparation of cobalt-decorated porous carbon nanofibers  and their application as supercapacitor electrodes

Yoon Kuk Ro; YoonKukRo; Cho Hyo Jin; ChoHyoJin; Park Mi Jin; ParkMiJin; Hong Sang Eun; HongSangEun; Cho Kun; ChoKun

doi:10.5806/AST.2026.39.2.105

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P-ISSN1225-0163
E-ISSN2288-8985
SCOPUS, ESCI, KCI

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P-ISSN 1225-0163
E-ISSN 2288-8985

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Vol.39, No.2

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Preparation of cobalt-decorated porous carbon nanofibers and their application as supercapacitor electrodes

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985

2026, v.39 no.2, pp.105-113

https://doi.org/10.5806/AST.2026.39.2.105

Kuk Ro Yoon (Department of Chemistry, Hannam University)
Hyo Jin Cho (Department of Chemistry, Hannam University)
Mi Jin Park (Department of Chemistry, Hannam University)
Sang Eun Hong (Department of Chemistry, Hannam University)
Kun Cho (Center for Research Equipment, Korea Basic Science Institute)

Yoon, K. R., Cho, H. J., Park, M. J., Hong, S. E., & Cho, K. (2026). Preparation of cobalt-decorated porous carbon nanofibers and their application as supercapacitor electrodes, 39(2), 105-113, https://doi.org/10.5806/AST.2026.39.2.105

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Abstract

Porous carbon nanofibers have attracted considerable attention as electrode materials for supercapacitors owing to their high specific surface area and excellent electrical conductivity. In this study, cobalt was introduced onto porous carbon nanofibers fabricated using calcium carbonate (CaCO3) nanoparticles as sacrificial templates via an electrodeposition method, and the resulting electrochemical performance was investigated. The prepared nanofibers exhibited a porous structure, and the cobalt-decorated porous carbon nanofibers showed reduced internal resistance and enhanced specific capacitance compared to pristine porous carbon nanofibers. These results demonstrate that cobalt deposition effectively improves the energy storage performance of porous carbon nanofiber-based electrodes, suggesting their potential application as supercapacitor electrodes.