Download - Transit Demonstrations by: Joseph Impullitti
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Heavy Duty Vehicles
Transit Demonstrations
by:
Joseph ImpullittiProgram Supervisor
Technology Demonstration
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Current Projects
Advanced Technology Fuel Cell Bus
developed by ISE for Sunline Transit
Authority
Battery Electric Bus developed by ISE for
LAMTA
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Advanced Technology Fuel Cell Bus
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Advanced Technology Fuel Cell Bus
Features:
Bus - New Flyer Industries – A low floor 41’ – 37 passenger bus
Drive System - ISE Corporation– “ThunderVolt” system with Siemens drive motors
Fuel Cell - Ballard Power Systems– “HD6” 150 kW heavy duty fuel cell module
Hydrogen storage - Dynetek – “DyneCell“ Type 3, 5000 psi (350 bar) tanks
Battery – Valance– 35 kWhr Lithium battery pack
Status:
Final testing in progress and delivery to Sunline - 4th quarter 2009
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System Modules
HYDROGEN CYLINDERS
(DYNETEK)
THERMAL MANAGEMENT SYSTEM
(ISE)
ENERGY STORAGE
(Valence)
ELECTRIC-PROPULSION
CRADLE
(ISE)
FUEL CELL MODULE
(BALLARD)
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Ballard HD6 Fuel Cell
Output Power 150 kW
6000 Durability
Lifecycles
Operating temperature
-20 to 70 C
Specific Power 422
W/kg
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Performance Test Results
Average fuel economy of 7 mi/kg
Range over 310 miles
Top Speed: 65 mph
Acceleration: 0 – 30 mph in 18 seconds at Full
Seated Load
Maintains 20 mph and above on 8% grade climb
at Full Seated Load
Low Exterior Noise Levels: 76 dBA and below
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Cost Share
AQMD allocated $2.1 Million for hydrogen and fuel
cell technologies
Allotment represents 13% of $16.6 Million budget
for 2009 and beyond
Advanced Technology Fuel Cell Bus Project
Amount Percent
AQMD $325,000 26%
Partners $950,000 74%
Total $1.275 M 100%
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Battery Electric Bus Project
Features:
North American Bus Industries (NABI)– A 40’ Bus Chassis, MGW 43,420 lbs
ISE electric drive system– With Siemens drive motors and other driveline
components
Lithium Battery – 150 mile range
Status:
Battery, Management System, Software and packaging development continue
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ISE Battery Bus
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Battery Selection Criteria
Safety – SAE J2464 EV Battery Abuse Testing
Energy storage > 100 Wh/kg
Pack size = 320 kWh for 150 mile range
Reliability – uniform cell performance
Cycle life > 6000 cycles
Price < $1000/kWh
Availability
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Battery Testing
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Battery Choices
Lithium Titanate – lower energy density,
high charge rates
Lithium Phosphate – higher energy density,
lower cost
Lithium Ion – safety concerns, cooling
capability, lower life cycles
Lithium Manganese – much higher energy
density, large scale cells, higher cost
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Battery of Choice:
Lithium Manganese
Energy Density ~ 100 Wh/kg
Life Cycles > 8000
Pack = 320 kWh
Cost > $1200/kWh
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Packaging Study
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Cost Share
AQMD allocated $3.4 Million for Electric/Hybrid
technologies
Allotment represents 20% of $16.6 Million budget
for 2009 and beyond
Battery Electric Bus Project
AMOUNT PERCENT
AQMD $290,000 13%
Partners $1.995 M 87%
TOTAL $2.285 M 100%
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Questions