About 3 months ago, Toshiba announced the development of their portable digital music player which uses fuel cell as its power source. No, it’s not ready yet, but Toshiba has taken another step and recently announced another methanol-powered device, the A5509T cell phone. Partnered with KDDI, this breakthrough cell phone technology has been developed since July 2004.

The fuel-cell mobile phone co-developed by Toshiba and KDDI is based on the au handset A5509T. The system used is a hybrid type, with power supplied by a compact fuel cell and fuel tank at the back of the handset, plus an internal lithium ion battery. It uses high-concentration methanol to achieve a battery capacity 2.5 times the conventional value with a single refill. This feature enables the handset to be used for a long time.

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