1. Electric Vehicles Anna Paredez and Amish Dalal Fall 2006 The University of Texas at Austin Chemical Engineering

2. http://patentpending.blogs.com/photos/uncategorized/capture4172006122027_am.jpg Overview Past Present Future

3. Past History –First battery electric vehicle (BEV) in the mid 1800’s –BEV’s actually more popular than conventional automobiles http://en.wikipedia.org/wiki/Image:Ed_d22m.jpg

4. Past EV1 –Produced by GM in 1998 –Offered for lease only –Ultimately most were destroyed http://en.wikipedia.org/wiki/Image:GM_EV.jpghttp://en.wikipedia.org/wiki/Image:GM_EV.jpg, http://en.wikipedia.org/wiki/Image:Evcrushed.jpg

5. Present Battery Inverter Motor http://www.khulsey.com/stock_electric_vehicle.jpeg

6. Present Challenges –Battery technology Lead-acid Lithium-ion/Lithium-poly Cost –Convenience Conventional automobile infrastructure Refueling time

7. Present Economic Feasibility –Toyota RAV4 EV vs. Toyota RAV4 –EV’s have lower energy costs –Conventional vehicles cost less to develop Maintenance http://www.meineke.com/stuff_about_cars/maintenance.asp

8. Present www.teslamotors.com

9. Present http://www.ride-4-fun.com/images/14-GEM-Tire-Wheel3.jpg

10. Future Battery advancements –Lithium-ion Cost decreasing –Ultra-capacitors Fast charging Light weight Manufacturers –Mitsubishi Colt EV –Toyota –GM http://www.carpages.co.uk/mitsubishi/mitsubishi_images/mitsubishi_colt_13_05_05.jpg

11. Conclusions Outlook –Hybrid electric vehicles –Cost must decrease –Battery technology improvements required

12. Questions?!?