dr. joseph pratt, ceo & cto golden g zero e m · dr. joseph pratt, ceo & cto golden gate...
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Dr. Joseph Pratt, CEO & CTOGOLDEN GATE ZERO EMISSION MARINE
5th ICCT Workshop on Marine Black Carbon EmissionsSeptember 19, 2018San Francisco, CA
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Sandia Zero Emission Maritime Work: maritime.sandia.gov
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ZERO/VResearch Vessel
SF-BREEZEHigh Speed Ferry
On-Board Safety
Practical Limits of Technology
Cost and Emissions Optimization
Portable Port Power
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Regulatory Drivers: It’s not just IMO
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US states with CO2 reduction policies
Governments with Carbon Taxes:
British Columbia, Chile, Costa Rica, Denmark, Finland, France, Iceland, Ireland, Japan, Mexico, Norway, South Africa, Sweden, Switzerland, UK
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Emission Reduction Technology Options
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Tier 4 Diesel Electric Hybrid LNGAll-electric Battery or Hydrogen Fuel Cell
NOx: LowSOx: 0CO2: +/- 10%
NOx: LowSOx: LowCO2: no change
(0 if biofuel)
NOx: LowSOx: LowCO2: 10%-40% lower
NOx: 0SOx: 0CO2: 0
Now Next Bridge Final
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Many kinds of vessels can be powered by zero
emission propulsion systems
38 MW - 210 nm
12 MW – 3,400 nm
950 kW – 1,700 nm
7 MW - 64 nm
Reference: Practical Application Limits of Fuel Cells and Batteries for Zero Emission Vessels (download from: maritime.sandia.gov)
800 kW- 11 nm
80 MW - 5,000 nm
1.6 MW - 8 nm
✓
✓
✓
✓
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✓
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Batteries and fuel cells offer complimentary solutions,
enabling all kinds of vessels to run with zero emissions
BatteryFuel Cell
EitherFuel Cell
LowerPower
ShorterRange
LongerRange
HigherPower
Best Application Space
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1.6 MW - 8 nm
800 kW- 11 nm950 kW – 1,700 nm
80 MW - 5,000 nm
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Fuel cell: Directly converts hydrogen to electricity, and is
used all around us today.
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AC Transit
SFO
San Leandro
Ghirardelli SquareGoing Out:ElectricityWaterHeat (150 F)Warm humid air
Going In:H2 and air
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How a fuel cell car works
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Toyota Mirai
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Marine hydrogen fuel cell systems can use off-the-shelf
technology
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Diesel Hybrid
Enhydra
Matthew Turner
Fuel Cell Hybrid
Water-Go-Round
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Hydrogen: Similar to natural gas, but does not contain
carbon. It is also the lightest gas.
Hydrogen / LH2
Natural gas / LNG
energywaterCOCO2
CH4
NOx (smog)
energywater
• Non-toxic• Not a GHG• No possible water
contamination if spilled10
Travels upward at ~45 mph(8 stories in 5 seconds)
NG H2
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Most hydrogen today is made from natural gas, and has
emissions during production. But 100% zero-carbon
hydrogen is available and supply is growing.
Electrolysis
Reformation
Solar
Wind
Landfill
Wastewater
Liquefaction/
Pressurization
Renewable electricity
Renewable methane
Renewable
hydrogen
H2
H2
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Ways to Store Hydrogen for Transportation
High pressure gas
~2,000 psi steelor aluminum 5,000-10,000 psi carbon fiber
composite tanks
Liquid (-253 C)
Experimental
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Hydrogen vessels can be fueled in ways similar to
conventional fuels or LNG
Gaseous H2LH2
LNGDiesel
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3 4
3
2
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Reference: S. Krasae-in et. al Development of large-scale hydrogen liquefaction processes from 1898 to 2009, IJHE 35 (2010) 4524-4533
Existing Liquid Hydrogen Production Facilities
#
<1
5
20
75
Plant Capacity(metric tons per day)
Number of clustered facilities
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Global LH2 production is expected to ramp up
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FC electric drive is not just about emissions
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Eliminate fuel price increases and volatility risk
Less complicated on-board systems
Less frequent and simpler maintenance
Lower total cost of ownership
No noise or exhaust = happier riders and customers
Green marketing
Higher revenue
Diesel fuel price
Hydrogen fuel price
Diesel Engine: 100’s of moving parts
Fuel cell: < 5 moving parts
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Learn MoreVisit
ggzeromarine.comwatergoround.com
ContactJoe Pratt
CleanerLower CostBetter
The Water-Go-RoundLaunching Fall 2019
This project is supported by the “California Climate Investments” (CCI) program