In situ grown CNTs and electrodeposited MnO 2 on MXene-carbon nano-fibers for flexible supercapacitors with high energy density

Binhe Feng; Deyang Zhang; Wenbo Guo; Zhaorui Wang; Jinbing Cheng; Hailong Yan; Kangwen Qiu; Jing Feng; Yingying Ge; Mengzhen Du; Paul Kim Ho Chu

doi:10.1039/d5cc06218g

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In situ grown CNTs and electrodeposited MnO 2 on MXene-carbon nano-fibers for flexible supercapacitors with high energy density

Article 2025 en

Abstract

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In this work, a one-step catalytic carbonization process was employed to convert MXene composite fibers with in situ grown ZIF-67 into an excellent substrate with an epitaxial structure (CNTs/PC-MX/CF). Subsequently, ultrathin MnO2 nanosheets were deposited via electrodeposition, resulting in the formation of an MnO2@CNTs/PC-MX/CF structure. The practical functionality of this structure was further validated by assembling an asymmetric device (ASC) based on MnO2@CNTs/PC-MX/CF and CNTs/PC-MX/CF.

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<i>In situ</i> grown CNTs and electrodeposited MnO <sub>2</sub> on MXene-carbon nano-fibers for flexible supercapacitors with high energy density

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