HomeMy WebLinkAboutSS3 - Shell Hydrogen StationSHELL HYDROGEN STATION IN NEWPORT BEACH
Jim Martin
Shell Hydrogen
November 24, 2009
► Global demand for energy
will double by 2050
1P, Energy supply from all
sources will struggle to keep
pace
Environmental stresses are
increasing: climate change
is a critical global issue
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Billions of cubic feet used per year Globally
►Hydrogenation of fats /oils
►Electronics /welding
► Refining
► Fuel cell vehicles
►1 kilogram of hydrogen = 1 gallon gasoline
(energy equivalence)
11 OF
Hydrogen as a fuel
Physical properties
Gaseous vs liquid fuel systems
r�
0
No combustion
Fuel cell creates electricity from energy
(hydrogen) stored in tank
OP 2 - 3 times more efficient than internal
combustion engines (better mpg)
Honda FCX Clarity • Engines designed to last the life of the
vehicle (150,000 miles)
• Range of 300 - 500 miles on one tank
• Emit only water vapor and heat
• Filling the tank takes a few minutes
IWAIR
Integrated gasoline /hydrogen station
Two dispensers providing 100 kg. per day
20 -30 fuel cell vehicles per day
Hydrogen produced on -site
► Safety sensors monitor
fueling process
State -of- the -art electronic A,
control systems f
Sealed fueling process -'
National Fire Protection -
Association regulations
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9
Comparison of flammability
Hydrogen Natural Gas Gasoline
0
Flammability in air
4.1%-74% 5.3%-15% 1.4%-7.6%
(LFL — UFL)
Explosive limits in air
(LEL — UEL) 18.300-59% 5.7%-14% 1.4%-3.3%
Most easily ignited 29%/° 90/c 20%
mixture in air
Flame temperature (`'C) 2445 1875 2197
Comparison of properties
Hydrogen Natural Gas Gasoline
Color
No
No
Yes
Toxicity
None
Some
High
Odor
Odorless
Mercaptan
Yes
Buoyancy Relative
to Air
14X lighter
2X Lighter
3.75X Heavier
Energy by Weight
2.8X > Gasoline -1.2X
> Gasoline
43 MJ i/kg
Energy by Volume 4X < Gasoline 1.5X < Gasoline
120 MJ /Gallon
0
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