Jun 18
New ultracapacitor outperforms lithium-ion batteries

Some of you may not that I am 100% gear head. What some of you might not know is that I also have a passion for a cleaner and greener car. I alone consume loads of premium fuel from track days and driving “sportingly” on the road. This brings me to Batteries! I believe that batteies and electricity are the future…….. Why you might ask?? Well how about an electric’s motor being able to turn out almost 100% of it’s maximum torque from just about any RPM, and simplicity…. got to love the simplicity of the electric n
New ultracapacitor outperforms lithium-ion batteries,
has potential for electric cars, Texas company claims
Officials at Texas-based EEStor say engineers at the company have developed a power-storage technology that could make traditional batteries obsolete. They say a new Electrical Energy Storage Unit (EESU), based on the technology, could be available for electric cars later this year.
The EESU for vehicle applications would weigh less than 100 pounds, and provide enough electricity to provide 200 miles of travel for a small electric car. It also could be recharged in less than 10 minutes, company officials claim.
EEStor’s EESU is described as a “battery-ultracapacitor hybrid.” Ultracapacitors are larger versions of small capacitors used in electronics. They can hold electricity, but typically can’t match a battery’s storage capacity. In addition, they can charge and discharge rapidly.
Officials at EEStor say they have created a device capable of storing 280 watt-hours per kilogram, which represents twice the energy density of lithium-ion batteries used in laptop computers. (Personal Computer World)
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