Shaowei zhang-graphene-based-composites-for-future-applications

12
Graphene Based Composites Graphene Based Composites For For Futre Futre Applications Applications

Transcript of Shaowei zhang-graphene-based-composites-for-future-applications

Page 1: Shaowei zhang-graphene-based-composites-for-future-applications

Graphene Based Composites For Graphene Based Composites For Futre Futre ApplicationsApplications

Page 2: Shaowei zhang-graphene-based-composites-for-future-applications

OutlineOutline

Types of graphene based composites

Useful properties of graphene in

composites

Potential applications of various types of

graphhene composites

Page 3: Shaowei zhang-graphene-based-composites-for-future-applications

Graphene Based Composites (1)

Polymer-Graphene Composites

Metal-Graphene Composites

Ceramic-Graphene Composites

Page 4: Shaowei zhang-graphene-based-composites-for-future-applications

Graphene Based Composites (2)

Coating/Film/Paper Form

Sandwich Form

Bulk form

Page 5: Shaowei zhang-graphene-based-composites-for-future-applications

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.

Page 6: Shaowei zhang-graphene-based-composites-for-future-applications

Functional Graphene Composites (1)

Li-Ion Batteries:

1) Graphene-metal oxide (e.g., SnO2)

2) Graphene-CNT

3) Graphene-C60

Page 7: Shaowei zhang-graphene-based-composites-for-future-applications

Functional Graphene Composites (2)

Supercapacitors:

1) Graphene-oxide (e.g., ZnO, SnO2,

Co3O4, MnO2)

2) Graphene-polymer

3) Graphene-CNT

Page 8: Shaowei zhang-graphene-based-composites-for-future-applications
Page 9: Shaowei zhang-graphene-based-composites-for-future-applications

Functional Graphene Composites (3)

Solar Cells

1) Graphene-TiO2

2) Graphene-quantum dots

Photocatalysts

E.g., graphene-TiO2

Fuel Cells: Graphene-oxide

Page 10: Shaowei zhang-graphene-based-composites-for-future-applications

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.

Page 11: Shaowei zhang-graphene-based-composites-for-future-applications

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

Page 12: Shaowei zhang-graphene-based-composites-for-future-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