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Issue #2001 - 18 (May 2001)
(Updated May 2, 2001)


Recharging Mobile Devices May Be History, But Not Any Time Soon

Germany’s Fraunhofer Institute along with device manufacturers such as Casio and Siemens are testing prototype devices using power cells that do not require recharging. Their goal is to replace rechargeable batteries in mobile devices with a miniature version of the hydrogen fuel cell used in power electric cars, reported by CNET.

Recently, the Fraunhofer Institute demonstrated a high-performance solar module that is integrated in the lid of a Casio handheld thus making the device free from electrical supports.

Christopher Hebling, head of the Mirco-Energy Technology group at the Institute, told a CNET reporter, "The devise factor is that the device can run on solar power alone even under low lighting levels. At a normal workplace, you have only three percent of the brightness of summer sunshine. Even down to a level of one percent, the electrical voltage provided by our solar module remains virtually constant. In conventional cell types, it would have long since broken down."

Fraunhofer researchers have an innovative solution to remove the non-conducting coating on the surface of solar cells: A special laser zaps away the coating from designated contact points. This has allowed researchers to reduce the total number of process steps by 80 percent, making the solar cells cheap enough to become commercially viable.

For more information: http://www.ise.fhg.de/

(Additional Source CNET News)

Mobileinfo Comments and Advisory: Battery power requirements for mobile devices continue to be holding mobile technology back. Therefore, any help we get from solar power is welcome news.

Note: This news release may contain forward-looking statements. Readers should take appropriate caution in developing plans utilizing these products, services and technology architectures.  All trademarks used in this summary are the property of their respective owners.

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