AEROGRAPHITE* - Caltech High Energy Physicshitlin/Ph70/Videos_Ph70a12/Liu30Pop.pdf · Film*...
Transcript of AEROGRAPHITE* - Caltech High Energy Physicshitlin/Ph70/Videos_Ph70a12/Liu30Pop.pdf · Film*...
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AEROGRAPHITE The Lightest Material (so far) In the World
Ph 70, 2012 FA Shiyi “Teresa” Liu
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Lighter than air?
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Six Times Lighter than air!
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Introducing Aerographite • Jet-‐black, non-‐transparent • Stable • Electrically conductive • Ductile • Density: 0.2 mg/cm3
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Film
Aerographite attracted by polymer rod
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Electrical ConducBvity
Lattice structure in graphite
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Density Comparison
Aerographite (0.2 mg/cm3)
Water (1000 mg/cm3)
Air (1.225 mg/cm3)
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How It’s Made
Ivy Vines
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How It’s Made
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ApplicaBons of Aerographite
Lightweight car battery Water puriOication
Products in smaller scale
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Previous World Champions
• Aerogel, 1931 • Ultralight Metallic Microlattice, 2011
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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
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Film
Thermal insulation
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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
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QuesBons?