Synthesis of cuprous sulfide nanoparticles anchored graphene for enhanced capacitive energy storage

•Cu2S/graphene hybrids were synthesized by a simple method.•Cu2S/graphene hybrids showed improving electrochemical properties.•The nanocomposites are promising candidates for supercapacitors. A hierarchical hybrid structure of cuprous sulfide (Cu2S) nanoparticles anchored graphene (Cu2S/RGO) has bee...

Full description

Saved in:
Bibliographic Details
Published in:Applied surface science 2016-05, Vol.370, p.508-513
Main Authors: Li, Z.J., Yang, B.C., Lv, X.W., Li, Y.C., Wang, L.
Format: Article
Language:English
Subjects:
CAPACITANCE
COPPER SULFIDE
Copper sulfides
Cuprous sulfide
CURRENT DENSITY
Cycles
DEPOSITION
Electrochemical properties
Energy storage
Graphene
MICROSTRUCTURES
Nanoparticles
Nanostructure
PARTICLES
STORAGE
SULFIDES
Supercapacitors
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:•Cu2S/graphene hybrids were synthesized by a simple method.•Cu2S/graphene hybrids showed improving electrochemical properties.•The nanocomposites are promising candidates for supercapacitors. A hierarchical hybrid structure of cuprous sulfide (Cu2S) nanoparticles anchored graphene (Cu2S/RGO) has been successfully synthesized through a facile one-step hydrothermal method. The Cu2S nanoparticles with a size in the range of 10–30nm are uniformly deposited onto the double sides of the RGO nanosheets to form a sandwich structure. Electrochemical tests demonstrate that the as-synthesized Cu2S/RGO hybrids have an improved specific capacitance of 208Fg−1 at a current density of 1.0Ag−1. The Cu2S/RGO exhibit higher cycling and rate performances than corresponding Cu2S nanoparticles mainly attributed to the unique structural properties of Cu2S/RGO hybrids, which combine a non-aggregation of graphene layers and well distribution of Cu2S nanoparticles.
ISSN:0169-4332
1873-5584
DOI:10.1016/j.apsusc.2015.12.053