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author:

Yuan, J. (Yuan, J..) [1] | Pan, D. (Pan, D..) [2] | Bo, Z. (Bo, Z..) [3] | Liu, Y. (Liu, Y..) [4] | Yu, J. (Yu, J..) [5] | Xu, L. (Xu, L..) [6] | Zhan, H. (Zhan, H..) [7] | Hu, X. (Hu, X..) [8] | Wen, Z. (Wen, Z..) [9]

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Scopus

Abstract:

Sodium ion hybrid capacitors (SIHCs) are garnering substantial interest in the energy storage field due to their unique capability to integrate high energy density and power density with the economic advantages of abundant sodium resources. However, the kinetic mismatch between battery-type anodes and capacitor-type cathodes presents a significant obstacle, severely limiting the performance potential of high-performance SIHCs. Herein, we report the development of a favorable pseudocapacitive Na+ storage nanohybrid, featuring VC nanodots confined within an N-doped carbon nanofiber network (VC@N-CNFs), which has been successfully applied to SIHCs. The integration of VC nanodots with a conductive carbon fiber framework significantly enhances electron transport and provides ample interface between the electrolyte and VC active material, thereby effectively improving the reaction kinetics of the anode. Consequently, the VC@N-CNFs demonstrate exceptional sodium storage capability, achieving a high capacity of 160.2 mA h g-1 at 1 A g-1 after 2000 cycles. Thanks to the favorable kinetic matching between the anode and cathode, the assembled SIHCs exhibit high energy and power densities of 97.8 W h kg-1 and 4118.3 W kg-1, respectively, alongside remarkable cycling performance, retaining 73.5% of their capacity after 6000 cycles. © 2025 American Chemical Society.

Keyword:

high conductivity interconnected carbon networks nanodots sodium storage vanadium carbide

Community:

  • [ 1 ] [Yuan J.]State Key Laboratory of Structural Chemistry, Fujian Provincial Key Laboratory of Materials and Techniques Toward Hydrogen Energy, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou, 350002, China
  • [ 2 ] [Yuan J.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 3 ] [Pan D.]State Key Laboratory of Structural Chemistry, Fujian Provincial Key Laboratory of Materials and Techniques Toward Hydrogen Energy, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou, 350002, China
  • [ 4 ] [Bo Z.]State Key Laboratory of Clean Energy Utilization, Zhejiang University, Zhejiang, Hangzhou, 310027, China
  • [ 5 ] [Liu Y.]State Key Laboratory of Structural Chemistry, Fujian Provincial Key Laboratory of Materials and Techniques Toward Hydrogen Energy, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou, 350002, China
  • [ 6 ] [Yu J.]State Key Laboratory of Structural Chemistry, Fujian Provincial Key Laboratory of Materials and Techniques Toward Hydrogen Energy, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou, 350002, China
  • [ 7 ] [Yu J.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 8 ] [Xu L.]State Key Laboratory of Structural Chemistry, Fujian Provincial Key Laboratory of Materials and Techniques Toward Hydrogen Energy, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou, 350002, China
  • [ 9 ] [Zhan H.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 10 ] [Hu X.]State Key Laboratory of Structural Chemistry, Fujian Provincial Key Laboratory of Materials and Techniques Toward Hydrogen Energy, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou, 350002, China
  • [ 11 ] [Wen Z.]State Key Laboratory of Structural Chemistry, Fujian Provincial Key Laboratory of Materials and Techniques Toward Hydrogen Energy, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou, 350002, China

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Source :

ACS Applied Energy Materials

ISSN: 2574-0962

Year: 2025

Issue: 7

Volume: 8

Page: 4733-4744

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: 1

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