Cost/Performance Analysis of Battery Pack placed in Spare Tire Area for Extending the Range of Hybrid, and Electric Vehicles

Abstract

Electric vehicle sales are increasing rapidly beyond expectations offering many advantages over vehicles with internal combustion engines. The hybrid electric vehicles are often considered a transition between the two due to added advantages of both models. Out of hybrid models, plugin hybrid vehicles have more resemblance to the fully electric vehicles because of the electric range and lower cost per mile. This paper investigates placing a battery pack in the spare tire location to extend the range of any type of electric vehicle. Cost and extended range calculations are performed based on two top selling vehicles that use 16”, 17” and 18” size tires. The volumes of spare tires are calculated and battery packs built with various lithium battery dimensions and chemistries are fit into the calculated area. Results for combinations are demonstrated with battery pack capacity, cost and range. When compared with other chemistries, battery packs built with Li-Ion cells provided more range for the calculated spare tire volume. In addition, results indicate that a sufficient electric range could be achieved for daily driving using the battery pack placed in the spare tire location. Obtained results provide insights on the feasibility of installing battery packs in the spare tire location using various battery chemistries.

Keywords

• Battery Pack Location in Hybrid Vehicles
• Hybrid Vehicle Conversion
• Plugin Hybrid Vehicle Batter-ies
• Spare Tire Location

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