Edwards on the Edge - Understanding Ultracapacitors

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Check in regularly as veteran technology journalist John Edwards interviews an expert in a key emerging technology.

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Conversations With Leaders on the Information Technology Frontier

Stay on top of crucial IT trends. Listen to veteran journalist John Edwards as he talks with leading experts in hardware, software and related fields.

02-20-2010 (10.69 MB)

Duration: 11:41 m - Filetype: mp3 - Bitrate: 128 KBPS - Frequency: 48000 HZ

Understanding Ultracapacitors

Ultracapacitors store electricity by physically separating positive and negative charges, unlike batteries, which perform the same task chemically. Ultracapacitors hold less electricity than batteries, but absorb and release it much more quickly, usually in a matter of seconds. The ability to absorb and release electricity rapidly is crucial for time-sensitive electricity storage, including power grid frequency regulation, fast vehicle acceleration, and capturing energy from vehicle braking. To learn more about this technology, John recently spoke with Chad Hall, chief operating officer of ultracapacitor manufacturer Ioxus.

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