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Is Energy Independence actually Good for our enviroment?
 
Ultracapacitor Powered E-Bike PDF Print E-mail
(14 votes)
Written by Greg Allen   
Friday, 07 September 2007

There’s nothing quite like zipping along through traffic on a scooter, watching everyone else sit there in frustration while you weave in and out of stuck cars that are going nowhere fast. It’s hard not to feel that little thrill of being out in the open air and finding a niche of a parking spot when no one else can.Ultracapacitor powered e-bike

Many people have held off buying scooters, however, because they’re so bad for the environment. They create 3-4 times more pollution than the average car (even though they use far less gas), they’re noisy, and they’re expensive to maintain.

Many of the new bikes and scooters that are coming out today have done away with all these negatives by replacing the standard gasoline engine with various forms of lithium batteries and ultra capacitors.

The advantages to using these alternate forms of power are tremendous. E-bikes and scooters add no pollution to the environment, and cost, on average, a mere 25 cents in energy to charge. They’re also virtually noise-free. Although they have a higher initial cost, their long-term price is actually much lower than the traditional gas powered scooter or bike.

NASA has already spent some time researching the use of ultra capacitors in bikes. They decided to create a working model, and came up with a state of the art prototype that most treehuggers would fight to the death to own.

Their findings?

"The E-Bike is a state of the art, ground up, hybrid electric bicycle. Unique features of the vehicle's power system include the use of an efficient, 400 watt, electric hub motor and a 7-speed derailleur system that permits operation as fully electric, fully pedal, or a combination of the two. Other innovative features, such as regenerative braking through ultracapacitor energy storage, are planned. Regenerative braking recovers much of the kinetic energy of the vehicle during deceleration. The E-bike has previously been tested with the standard battery energy storage system, a symmetric ultracapacitor energy storage system, and a combination battery and symmetric ultracapacitor energy storage system."

And NASA is not the only organization that is spending time investigating this. Plenty of other companies are looking into the benefits of improving ultracapicitor technology to enhance performance. One of them is BMW.

They’re experimenting with using super capacitors in their engines that use the power from regenerative braking to boost performance. 100% of the power is available to be used, which is another huge bonus. They’re mating these high-performance super capacitor engines with the standard internal combustion engines that give users the best of both worlds; fast acceleration (a great perk from the electronic engine) and higher revs at cruising speed from the internal combustion engine. What’s not to like?

And although they’re currently experimenting with this technology for their cars, if we keep our fingers crossed they might come up with a way to slap it on their motorbikes as well.

Soon....  just wait....

Readers have left 4 comments.
 No.1  This is great..
These will be a tremendous hit in a lot of nations. I can only believe that countries like India will benefit from this technology very much. Great story.
Gene Conrad (Registered) • 2007-09-07 19:28:53
 No.2  ebike owner
Would like to read more on this write up is there any more info.
Guest (Unregistered) • 2008-05-27 23:24:47
 No.3  R& D Engg.
hello,

this article seems to be good but so far no working model is prepared.
some information has not been provided like:
how much is the battery energy saved?

does this will help to increase the battery life? and by how many cycles?

does this system will help to reduce the battery weight? and by what fraction?

Answers to the issues above, can really be helpful to judge the effect of ultracap. in e bike /bicycles.
Guest (Unregistered) • 2008-12-09 00:06:00
 No.4  Re: R& D Engg.
hi
Guest (Unregistered) • 2008-12-11 01:54:42
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