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Volumetric Density (kg/m )

3

100

80

60

40

20

Hydrogen Storage

DOE 2015 Goal 3 kWh/kg

H2 content of Reformed kerosene

  • Volumetric Density: 320 kg/m3

  • Gravimetric Density: 33%

Extensive Research Underway on Solid State Hydrogen Storage

DOE 2010 Goal 2 kWh/kg

Complex hydrides

Low Temp Hydrides

Liquid/Cryogenic H2 (with container)

Compressed H2 (with container)

  • Current available: 3-6 wt%

  • Potential for > 15 wt % based

on theoretical limits

Microspheres

4

8

12

16

20

Nanotubes

Gravimetric Density (% weight Hydrogen)

EAA Electric Aircraft World Symposium 2010: Michael Dudley

11

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