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November 23, 2009 – Vol.14 No.36 International Battery to Provide EV Battery Packs for Automotive X PRIZE Contestant. Team BDCOTSRUS has chosen International Battery to supply the battery pack for its modified 1995 Saturn SL2 in order to reach a minimum of 100MPGe. The battery design incorporates Lithium-Iron-Phosphate chemistry and consists of eight individual modules, with nine 160Ah large format prismatic cells in each module. A modular design conveniently distributed in the car allows a nominal operating voltage of 230 volts. The vehicle will be propelled by an electric traction motor, which gets its power thru an AC/DC inverter, motor controller and batteries. A small onboard generator will provide power to the batteries on an “as-needed” basis. The batteries provide the energy storage to the system allowing normal driving conditions for the car. In addition, the driver can recharge from shore power if required, providing a plug-in hybrid. A key competitive advantage to using large format energy storage systems from International Battery is the company’s unique Battery Management System (BMS). The BMS monitors the temperature and voltage of each cell and provides continuous active balancing of the system maintaining all cells within a narrow voltage range. Providing an accurate assessment of each individual cell makes the battery pack inherently more reliable and efficient than traditional battery designs using wound cylindrical cells without individual cell monitoring. Large format prismatic cells result in a less complex system with a more efficient electrical bus and low thermal management requirements allowing compact packaging and good system energy density.
The goal of the Progressive Insurance Automotive X PRIZE is to inspire a new generation of viable, super fuel-efficient vehicles that offer more consumer choices. Ten million dollars in prizes will be awarded to the teams that win a stage competition for lean, production-capable vehicles that exceed 100 MPGe (miles per gallon or its energy equivalent).
BDCOTSRUS is a group of engineers, consultants, and friends dedicated to increasing the efficiency of existing car designs. Out of the original 97 teams accepted into the competition, BDCOTSRUS is one of only 43 qualified to continue on in the competition. BDCOTSRUS, along with its opponents, will now be preparing the final adjustments to their vehicles. BDCOTSRUS’s fuel-efficient vehicle will make its appearance, including the batteries, in the upcoming rounds of competition starting in Spring 2010, and concluding in Fall 2010. (11/23/09)
Links: BDCOTSRUS International Battery Progressive Insurance Automotive X Prize
Disclaimer, Forward-Looking or Safe Harbor Statement on original press release: No
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The Lithium-Iron-Phosphate battery pack will electrify the team BDCOTSRUS X-Prize entry. | ||||
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