One of the major issues restricting the range on the hybrid and electric only vehicles is that manufacturers are still using a 12V system. When you take the energy demands of current vehicles: electric locks, windows, A/C, stereos, lighting and instrumentation that 12 volts will only go so far. Toyota, Honda, Ford and GM are all looking at increase the voltage sytsem in vehicles but with that is the increased cost of new accessory systems as well and the replacement parts. Though it is cost efficient in the long run, the initial cost has hindered the implementation of a 60 volt system.
If a higher voltage system was implemented and a deeper cycling batter system, the electric side could be used longer. Once the battery charge had dropped below it’s efficient threshhold, it could be shut down allowing a passive charging system within the drivetrain for recharging. With the addition of a small but efficient wind powered generator using ducted air from the underbody not only could you increase the vehicle’s stability at higher speeds but depending on design would also minimally impact drag.
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