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Graphene Based Composites For Futre Applications

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Graphene Based Composites For Futre Applications Shaowei Zhang College of Engineering, Mathematics and Physical Sciences The University of Exeter – PowerPoint PPT presentation

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Title: Graphene Based Composites For Futre Applications


1
Graphene Based Composites For Futre Applications
  • Shaowei Zhang
  •  College of Engineering, Mathematics and Physical
    Sciences
  • The University of Exeter

2
Outline
  • Types of graphene based composites
  • Useful properties of graphene in composites
  • Potential applications of various types of
    graphhene composites

3
Graphene Based Composites (1)
  • Polymer-Graphene Composites
  • Metal-Graphene Composites
  • Ceramic-Graphene Composites

4
Graphene Based Composites (2)
  • Coating/Film/Paper Form
  • Sandwich Form
  • Bulk form

5
Useful Properties of Graphene in Composites
  • Functional (e.g., Electrical) properties
  • Thermal properties
  • Mechanical properties
  • Lightweight, unique morphology, chemical
    stability.

6
Functional Graphene Composites (1)
  • Li-Ion Batteries
  • 1) Graphene-metal oxide (e.g., SnO2)
  • 2) Graphene-CNT
  • 3) Graphene-C60

7
Functional Graphene Composites (2)
  • Supercapacitors
  • 1) Graphene-oxide (e.g., ZnO, SnO2, Co3O4, MnO2)
  • 2) Graphene-polymer
  • 3) Graphene-CNT

8
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9
Functional Graphene Composites (3)
  • Solar Cells
  • 1) Graphene-TiO2
  • 2) Graphene-quantum dots
  • Photocatalysts
  • E.g., graphene-TiO2
  • Fuel Cells Graphene-oxide

10
Thermal Conductive Graphene Composites
  • Intrinsic thermal conductivity 30005000 W/mK
    (gt100 times gtCu)
  • Graphene-metal Graphene-polymer composites
  • Potential applications Electronic circuit
    boards, heat sink and light weight high
    performance thermal management systems.

11
Graphene Reinforced Composites
  • Mechanical properties
  • 1) Stiffest (E gt 1 Tpa),
  • 2) Strength gt100-GPa tensile strength (40 times
    gt steel).
  • Morphology 2D shape
  • ? Ideal reinforcement phases to make stronger
    and tougher composites for various applications

12
Graphene Reinforced Composites Potential
Applications
  • Lightweight composites for aerospace automotive
    industries
  • Lightweight body/vehicle armours
  • Biomaterials (biocompatibility reinforcement)
  • Composite brake discs
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