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author:

Dang, F. (Dang, F..) [1] | Cai, Y. (Cai, Y..) [2] | Yang, P. (Yang, P..) [3] (Scholars:杨鹏飞)

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Scopus

Abstract:

In this study, graphene/polypyrrole (RGO/PPy) electrodes with porous structures were prepared by electrochemical codeposition and reduction. The porous structure not only enhances the effective contact area of the electrodes but also actively promotes the diffusion efficiency of the electrolyte ions. As a result, a maximum capacitance of 1091.2 mF·cm-2 at 1 mA·cm-2 is achieved for the 0.2-RGO/PPy electrode prepared using the deposition solution containing 0.2 mg·mL-1 of GO. The 0.2-RGO/PPy maintains a capacitance of 78.4% at 10 mA·cm-2. In particular, the 0.2-RGO/PPy-based supercapacitor exhibits a stack capacitance of up to 28.3 F·cm-3. Furthermore, the supercapacitor exhibits excellent mechanical flexibility with a 93.3% capacitance retention, even under 180° bending. This study demonstrates the significant potential of RGO/PPy electrodes for high-performance energy storage systems. © 2024 American Chemical Society.

Keyword:

electrodeposition flexible supercapacitor high areal capacitance porous structure RGO/PPy composite

Community:

  • [ 1 ] [Dang F.]College of Physics and Electronic Information Engineering, Minjiang University, Fuzhou, 350108, China
  • [ 2 ] [Cai Y.]College of Physics and Electronic Information Engineering, Minjiang University, Fuzhou, 350108, China
  • [ 3 ] [Yang P.]School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, 350108, China

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Source :

ACS Applied Energy Materials

ISSN: 2574-0962

Year: 2024

Issue: 14

Volume: 7

Page: 5832-5838

5 . 5 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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