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Attributes of the Chevrolet Volt. Attributes of the Chevrolet Volt. VOLT Lithium-Ion Battery. 288 Cells 70% of the Cost. Module. Pack. VOLT Lithium-Ion Battery. The Battery Challenge. Lithium-Ion Battery Pack 16 kWh (8kWh usable) High energy/High Power Efficiently packaged - PowerPoint PPT Presentation
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Attributes of the Chevrolet Volt
Attributes of the Chevrolet Volt
VOLT Lithium-Ion Battery
288 Cells70% of the Cost Module
Pack
VOLT Lithium-Ion Battery
The Battery ChallengeThe Battery ChallengeLithium-Ion Battery Pack
16 kWh (8kWh usable)
High energy/High Power
Efficiently packaged> 6 ft. in length
> 375 lbs
Reasonable cost
10 yr life/150,000 miles
Lithium-Ion Battery Pack
16 kWh (8kWh usable)
High energy/High Power
Efficiently packaged> 6 ft. in length
> 375 lbs
Reasonable cost
10 yr life/150,000 miles
Early Vehicle Testing and Learning
Next Phase of Testing and Learning
Next Phase of Testing and LearningMule Vehicles now in Test
Charging and Infrastructure
Charging Power Level
• 3.3 kW/240V charging will usually require a one time investment to upgrade the garage with a dedicated 240V circuit
• Full charge is <3 hours – very acceptable• Fast charging will have customer value
• 1.2 kW/120V charging may work depending on the customer’s situation
• Full charge in minimum 8 hours (temperature dependent)• May require understanding and control of other devices on the circuit
• Charger and control logic is on-board the vehicle
• Designed for global voltages• 120V charge cord comes with the
vehicle in NA
GM/EPRI/Utility Collaboration for Electrical Infrastructure• The Collaboration includes more than 40 Utilities in North America… many the
industry’s thought-leaders in electric transportation and grid interaction
GM / EPRI / Utility Collaboration
Why collaboration is important?
Impact on the Electric Grid
Electricity: An important energy source withsignificant capacity to support transportation
• 10 million E-REVs in 2010 would add a load that is less than 1% of the total grid load
Electric Grid Design for Peak Demand
• The last 5% of the system’s capacity is needed less than 1% of the time
• The last 25% of the system’s capacity is only needed about 10% of the time
• The real objective of smart charging is simply to avoid these peaks with most of the vehicles out there
• This has tremendous value for the utilities – and very achievable once the technology is in place to manage vehicle charging
For example, in California like most hot-weather states with a lot of air conditioning:
Electric Grid Design for Peak DemandVolt leverages off-peak for charging
820 MILLION VEHICLES<1% are Electrified Vehicles(Hybrid, Battery Electric or Fuel Cell)
Will Take >20 Years to ReplaceThem with More Energy
Efficient Vehicles
Thank you