electric vehicles arlenw 2-2-11
TRANSCRIPT
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5MEEP Topic: Arrival in St. Croix of the world’s first full‐size, long range high speed line of fully electric commercial/fleet vehicles.
Date: 2 February 2011
Presenter: Arlen Wheeler
Presenter’s Business or Organization:
Caribbean Engineering Associates, St. Croix, USVI
Overview
My presentation this week is to announce the imminent arrival on St. Croix of two totally electric vehicles – one, a quarter‐ton pickup truck; the other, a seven passenger SUV – both with a single‐charge range of 200+‐ miles at a speed of 75 miles per hour. My 20 year old St. Croix company, Caribbean Engineering Associates Inc., has been named as exclusive distributor throughout the entire Caribbean for the EMC EV family, which also includes a full‐size cargo van for commercial applications. For more information, visit the website of the continental US assembler/distributor at www.electricmobilecars.com , which is still under construction; the technical specifications for the Caribbean are identical, but the prices quoted are not necessarily applicable here.
Links or resources:
www.electricmobilecars.com
DOE/Pacific Northwest National Laboratory 13 October 2010
www.eaglepicher.com/content/view/36/70
Summary of Business Services Offered:
Consulting engineering; real estate appraisal; net metering facilities design; construction management;
EMC Electric Vehicle Assembler/Distributor for the Caribbean from Cuba to Trinidad.
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File Name: EDIN Presentation 2‐2‐11.docx
What makes these vehicles unique, and superior to all others on the market, is that the power supply for all models is identical, consisting of a single, high‐capacity, flat (or planar) sodium‐nickel chloride battery, making it a viable alternative to lithium‐ion batteries for storing wind and solar power on the electrical grid. According to research by the Dept. of Energy’s Pacific Northwest National Laboratory, these batteries “could eventually be used in electricity substations to balance the generation and delivery of wind and solar power to the grid.”
Because the battery’s main components include abundant materials such as alumina, sodium chloride, and nickel, they are less expensive to manufacture than lithium‐ion batteries, and could still offer the performance necessary to compete for consumer interest. In addition, compared to other battery systems, sodium‐beta batteries are safer and can help incorporate renewable energy sources more easily into the electrical system.
“This planar sodium battery technology shows potential as an option for integrating more solar and wind power into our electric grid”, said Carl Inhoff, electricity infrastructure sector manager at Pacific Northwest National Laboratory.
Sodium‐beta alumina batteries have been around since the 1960’s, but their tubular, cylindrical shape did not allow efficient discharge of stored electrochemical energy. This inefficiency caused technical issues associated with operating at high temperatures, and raised concern about the cost‐effectiveness of the tubular batteries; however, the researchers found that a planar design allows for a thinner cathode, and a larger surface area for a given cell volume. Because the ions can flow in a larger area and shorter pathway, they experience lower resistance. Next, the battery’s design incorporates a thin layer of solid electrolytes, which also lowers the resistance. Because of this decrease in resistance, the battery can be operated at a lower temperature while maintaining a power output 30% more than a similar‐sized battery with a cylindrical design.
Finally, the battery’s flat components can easily be stacked in a way that produces a much more compact battery, making it an attractive option for large‐scale energy storage, such as on the electrical grid.
Researchers at Pacific Northwest National Laboratory and EaglePicher LLC received funding to conduct this research from the Advanced Research Projects Agency – Energy (ARPA‐E).
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Annual Energy Cost Comparison: Gasoline Vehicle vs Electric Vehicle
Assumptions: typical passenger vehicle, 10,000 miles per year in city conditions
20 miles per gallon or 12 miles per kilowatt
Gasoline: 10,000 miles / 20 mpg = 500 gallons Electric: 10,000 miles /12 miles per kw = 833.33 kw
Case 1 $3.00/gallon = $1,500 $0.35/kw = $291.67
Case 2 $4.00/gallon = $2,000 Geothermal PPA $0.18 per kw = $150.00 including $0.04/kw WAPA overhead & profit
Case 3 $5.00/gallon = $2,500 Net Zero = 0 using wind or PV