Silver decorated graphene nanocomposites toward electrochemical energy storage

Chao LU, Xi CHEN*

*Corresponding author for this work

Research output: Journal PublicationsJournal Article (refereed)peer-review

8 Citations (Scopus)

Abstract

Two-dimensional graphene materials have presented great potential as electrode materials for electrochemical energy storage. But the restacking effect accompanying limited electrical conductivity impedes further applications. Here, we reported silver nanoparticles decorated graphene composites as electrode materials for efficient electrochemical energy storage. Silver nanoparticles distributed uniformly onto graphene layers will improve the electrical conductivity and alleviate restacking effect as well. As a result, the nanocomposites based electrode gives a high specific capacity of 114 F g−1, which is 3.6 times higher than that of pristine graphene. The symmetric cell displays high energy capacity with excellent cycling stability over 5000 charge–discharge cycles. © 2021 Elsevier B.V.
Original languageEnglish
Article number138534
JournalChemical Physics Letters
Volume771
Early online date31 Mar 2021
DOIs
Publication statusPublished - 16 May 2021
Externally publishedYes

Bibliographical note

This work was supported by the Earth Engineering Center, and Center for Advanced Materials for Energy and Environment at Columbia University.

Keywords

  • Energy storage
  • Graphene
  • Modification
  • Nanocomposite
  • Porosity

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