Originally published July 26 2005
Fujitsu announces micro fuel cell phone battery endowed with triple charging capacity
by Mike Adams, the Health Ranger, NaturalNews Editor
Fujitsu Laboratories Ltd and NTT DoCoMo have announced that a joint venture has produced a micro fuel cell device that can charge up to three lithium ion power batteries in a FOMA handset with one 18cc methanol fuel cartridge, reports Nikkei Electronics Asia.
Fujitsu Laboratories Ltd has announced its co-development with NTT DoCoMo of a prototype high-capacity micro fuel cell and the prototype development of an external recharger for FOMA handsets.
For the prototype micro fuel cell device, the concentration of the methanol fuel used has been raised from 30%, the concentration used for the company's previous fuel cells, to over 99%.
This enables the prototype device to charge up to three FOMA handset batteries with just 18cc of methanol.
Fujitsu developed new technology that makes it possible to use high-concentration methanol with concentration of over 99% for a passive micro fuel cell.
By developing and employing a new material that reduces the "methanol crossover" effect by half compared to Fujitsu's previous materials, and to one-twentieth that of other commercially available materials, and by using the water by-product which appears during power generation to dilute the fuel, Fujitsu succeeded in effectively limiting the decline of power generation efficiency when using high-concentration fuel.
Fujitsu and DoCoMo employed the new technology to co-develop the operable FOMA handset charger prototype.
Using the newly developed technology, the cradle-type passive micro fuel cell achieved a world record high-power output average of approximately 1 watt with methanol fuel of over 99% concentration.
Fujitsu also verified that the prototype FOMA handset recharger using the micro fuel cell can charge up to three lithium ion power batteries embedded in a FOMA handset, with a single cartridge with 18cc of methanol fuel.
The jointly developed fuel cell prototype will be exhibited at the DoCoMo booth at Wireless Japan 2005, to be held from July 13 to 15, and at the Environment corner at Fujitsu Forum 2005 from July 14 to 15, both in Tokyo.
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