Post on 15-Jan-2016
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Graphene Based Composites For Graphene Based Composites For Futre Futre ApplicationsApplications
Shaowei Zhang College of Engineering, Mathematics and Physical
SciencesThe University of Exeter
OutlineOutline
Types of graphene based composites
Useful properties of graphene in
composites
Potential applications of various types of
graphhene composites
Graphene Based Composites (1)
Polymer-Graphene Composites
Metal-Graphene Composites
Ceramic-Graphene Composites
Graphene Based Composites (2)
Coating/Film/Paper Form
Sandwich Form
Bulk form
Useful Properties of Graphene in Useful Properties of Graphene in CompositesComposites
Functional (e.g., Electrical) properties
Thermal properties
Mechanical properties
+ Lightweight, unique morphology,
chemical stability.
Functional Graphene Composites (1)
Li-Ion Batteries:
1) Graphene-metal oxide (e.g., SnO2)
2) Graphene-CNT
3) Graphene-C60
Functional Graphene Composites (2)
Supercapacitors:
1) Graphene-oxide (e.g., ZnO, SnO2,
Co3O4, MnO2)
2) Graphene-polymer
3) Graphene-CNT
Functional Graphene Composites (3)
Solar Cells
1) Graphene-TiO2
2) Graphene-quantum dots
Photocatalysts
E.g., graphene-TiO2
Fuel Cells: Graphene-oxide
Thermal Conductive Graphene Thermal Conductive Graphene CompositesComposites
Intrinsic thermal conductivity: 3000–5000 W/mK
(>100 times >Cu)
Graphene-metal & Graphene-polymer composites
Potential applications: Electronic circuit boards,
heat sink and light weight high performance
thermal management systems.
Graphene Reinforced CompositesGraphene Reinforced Composites
Mechanical properties:
1) Stiffest (E > 1 Tpa),
2) Strength: >100-GPa tensile strength (40 times >
steel).
Morphology: 2D shape
Ideal reinforcement phases to make stronger and
tougher composites for various applications
Graphene Reinforced Composites: Graphene Reinforced Composites: Potential Applications Potential Applications
Lightweight composites for
aerospace & automotive industries
Lightweight body/vehicle armours
Biomaterials (biocompatibility +
reinforcement)
Composite brake discs