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Compact fuel cell target smart phones, portable devices

Posted: 20 Nov 2012 ?? ?Print Version ?Bookmark and Share

Keywords:hydrogen fuel cells? smartphone chargers? tablet PCs? power sources?

Compact lightweight, high-power hydrogen fuel cells have been co-developed by Rohm Semiconductor, Aquafairy and the Kyoto University. The fuel cells have been designed to power smartphones and other portable devices.

These fuel cells overcome the drawbacks of dry cells, lithium-ion cells, and direct methanol fuel cells, significantly reducing weight and increasing output power while providing a higher level of safety, making it possible to provide power in places where AC power is not available or cannot be used.

By succeeded in solidifying calcium hydride in a sheet configuration using proprietary technologies, Rohm and Aquafairy have been able to generate approximately 4.5l of hydrogen from a sheet less than 3cc in volume (measuring 38x38x2mm), providing a power output of 5Whr. The hydrogen fuel cells are compact and can operate at ambient temperatures, making them suitable for use in smartphone chargers, tablet PCs, as power sources outdoors and in remote areas, and in emergency backup power supplies. In addition, they emit no carbon dioxide or hazardous gases and can be disposed of as general waste.

- Julien Happich
??EE Times Europe

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