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Graphene and its composites with nanoparticles for electrochemical energy applications

Paper ID Volume ID Publish Year Pages File Format Full-Text
32167 44906 2014 16 PDF Available
Title
Graphene and its composites with nanoparticles for electrochemical energy applications
Abstract

•The new chemistry used to synthesize high quality graphene, especially liquid phase exfoliation (LPE), is highlighted.•The methodologies developed to dope graphene with heteroatoms to modify and control graphene properties are outlined.•The general approaches to prepare graphene–nanoparticle composites are presented.•The applications of graphene-based nanocomposites in electrochemical energy storage (lithium based batteries and supercapacitors) and conversion devices (fuel cells and electrolyzers) are summarized.

Graphene is a two dimensional (2D) planar and hexagonal array of carbon atoms and has been studied extensively as advanced nanomaterials for important technological applications. This review summarizes the recent developments in chemistry, materials and energy applications of graphene, doped graphene and their composites with nanoparticles (NPs). It first highlights the new chemistry used to synthesize high quality graphene. It then outlines the methodologies developed to dope graphene with heteroatoms to modify and control graphene properties. It further describes the general approaches to graphene–NP composites via either direct NP growth onto graphene or self-assembly of the pre-formed NPs on graphene surface. These graphene–NP composites provide some ideal systems for studying synergistic effects between graphene and NPs on catalysis. The review focuses on applications of graphene–NP composites in increasing electrochemical energy storage density and in catalyzing chemical reactions with much desired electrochemical efficiencies.

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Keywords
Graphene; Doped-graphene; Liquid phase exfoliation; Graphene–nanoparticle composites; Energy storage; Energy conversion
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Publisher
Database: Elsevier - ScienceDirect
Journal: - Volume 9, Issue 5, October 2014, Pages 668–683
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us