AEROGRAPHITE  The  Lightest  Material  (so  far)  In  the  World  

Ph  70,  2012  FA  Shiyi  “Teresa”  Liu  

Lighter  than  air?  

Six  Times  Lighter  than  air!  

Introducing  Aerographite  •  Jet-­‐black,  non-­‐transparent  •  Stable  •  Electrically  conductive  • Ductile  • Density:  0.2  mg/cm3  

Film  

Aerographite  attracted  by  polymer  rod  

Electrical  ConducBvity  

Lattice  structure  in  graphite  

Density  Comparison  

Aerographite  (0.2  mg/cm3)  

Water  (1000  mg/cm3)  

Air  (1.225  mg/cm3)  

How  It’s  Made  

Ivy  Vines  

How  It’s  Made  

ApplicaBons  of  Aerographite  

Lightweight  car  battery   Water  puriOication  

Products  in  smaller  scale  

Previous  World  Champions  

• Aerogel,  1931  • Ultralight  Metallic  Microlattice,  2011  

Aerogel  

one-­‐lb  of  block  can  support  half  a  ton  of  weight  

99.8%  air,  1,000  times  less  dense  than  glass  

thermal,  acoustical,  electrical  insulation  

Film  

Thermal  insulation  

Ultralight  Metallic  MicrolaLce  

99.99%  air,  0.9  mg/cm3,  1.36  times  less  dense  than  air  

metal  nano  are  hollow  inside,  made  by  sacriOicing  template  

QuesBons?