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Ultracapacitors, Batteries, and Fuel Cells







Ultracapacitors, Batteries, and Fuel
Cells

Ultracapacitors, Batteries, and Fuel
Cells
12/28/2004 01:08 PM

A new Electronic Products article provides an overview of the advantages that ultracapacitors and combinations of ultracapacitors and fuel cells have over traditional batteries. The article touches on several applications including backup power, regenerative braking in cars, and consumer devices but much of the information could be applied to robotics as well. The author works for ultracapacitor maker, Maxwell Technologies, whose 350F D-cell sized ultracap has some interesting potential for robot builders.




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Ultracapacitors, Batteries, and Fuel Cells

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Read [Tapland]


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"In late 18th century, Italian physicist Luigi Galvani shocked the public by demonstrating that an amputated frog's leg twitched when touched with certain metals. Galvani was convinced that energy stored in the frog's leg caused the jerk. He called the accumulated juice "animal electricity." Galvani's friend Alessandro Volta called it nonsense. To prove that the energy came from the metal, not the flesh, Volta eventually made a sandwich of silver, moist cardboard, and zinc. His device also spurred frogs' legs to spasm. In the end, Volta won the intellectual battle and also invented the battery. Two hundred years later, the technology hasn't changed much."
Link

A look at iPod batteries


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Batteries For Your Pen And Paper? 09/11/2004 02:26 PM
Slashdot Sep 11 2004 6:28PM GMT
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