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Volume 15
Issue 9
10.3390/nano15090641
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Article

Facile Synthesis of Polypyrrole/MnO2/Carbon Cloth Composites for Supercapacitor Electrodes

by
Yan Chen
1,*,
Hanyue He
1,
Min Liu
1,
He Xu
1,
Haibo Zhang
1,2,
Xinghua Zhu
3,4 and
Dingyu Yang
1,2,*
1
College of Optoelectronic Technology, Chengdu University of Information Technology, Chengdu 610225, China
2
Intelligent Manufacturing Industry Technology Research Institute, Sichuan University of Arts and Science, Dazhou 635000, China
3
Dazhou Industrial Technology Research Institute, Dazhou 635000, China
4
School of Materials Science and Engineering, Xihua University, Chengdu 610039, China
*
Authors to whom correspondence should be addressed.
Nanomaterials 2025, 15(9), 641; https://doi.org/10.3390/nano15090641
Submission received: 7 April 2025 / Revised: 17 April 2025 / Accepted: 22 April 2025 / Published: 23 April 2025
(This article belongs to the Special Issue Application of Biomass-Derived Nanomaterials in Batteries and Supercapacitors)
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Abstract

In the development of flexible smart electronics, fabricating electrodes with optimized architectures to achieve superior electrochemical performance remains a significant challenge. This study presents a two-step synthesis and characterization of a polypyrrole (PPy)-MnO2/carbon cloth (CC) nanocomposite. The MnO2/CC substrate was first prepared via the hydrothermal method, followed by uniform PPy coating through vapor-phase polymerization in the presence of an oxidizing agent. Electrochemical measurements revealed substantial enhancement in performance, with the specific capacitance increasing from 123.1 mF/cm2 for the MnO2/CC composite to 324.5 mF/cm2 for the PPy/MnO2/CC composite at a current density of 2.5 mA/cm2. This remarkable improvement can be attributed to the synergistic effects between the conductive PPy polymer and MnO2/CC substrate and the formation of additional ion transport channels facilitated by the PPy coating. This work provides valuable insights for designing high-performance electrode materials and advances the development of composite-based energy storage devices.
Keywords: PPy/MnO2/CC; composite; vapor-phase polymerization; electrochemical performance PPy/MnO2/CC; composite; vapor-phase polymerization; electrochemical performance

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MDPI and ACS Style

Chen, Y.; He, H.; Liu, M.; Xu, H.; Zhang, H.; Zhu, X.; Yang, D. Facile Synthesis of Polypyrrole/MnO2/Carbon Cloth Composites for Supercapacitor Electrodes. Nanomaterials 2025, 15, 641. https://doi.org/10.3390/nano15090641

AMA Style

Chen Y, He H, Liu M, Xu H, Zhang H, Zhu X, Yang D. Facile Synthesis of Polypyrrole/MnO2/Carbon Cloth Composites for Supercapacitor Electrodes. Nanomaterials. 2025; 15(9):641. https://doi.org/10.3390/nano15090641

Chicago/Turabian Style

Chen, Yan, Hanyue He, Min Liu, He Xu, Haibo Zhang, Xinghua Zhu, and Dingyu Yang. 2025. "Facile Synthesis of Polypyrrole/MnO2/Carbon Cloth Composites for Supercapacitor Electrodes" Nanomaterials 15, no. 9: 641. https://doi.org/10.3390/nano15090641

APA Style

Chen, Y., He, H., Liu, M., Xu, H., Zhang, H., Zhu, X., & Yang, D. (2025). Facile Synthesis of Polypyrrole/MnO2/Carbon Cloth Composites for Supercapacitor Electrodes. Nanomaterials, 15(9), 641. https://doi.org/10.3390/nano15090641

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