Designed for integration into devices as small as digital music players, Toshiba's DMFC is as long and wide as a thumb, only 22 x 56 x 4.5mm (maximum of 9.1mm with fuel tank). This size advantage offers greater design freedom to developers of handheld electronic devices, without any compromises in performance. Although small enough for integration into a wireless headset for mobile phones, the prototype is efficient enough to power an MP3 music player for as long as 20 hours on a single 2cc charge of highly concentrated methanol. The DMFC outputs 100 milliwatts of power, and can continue to do so, non-stop, for as long as users top up its integrated fuel tank—a process that is as simple as it is safe.

Commenting on today's announcement, Kazunori Fukuma, Managing Director of Display Devices & Components Control Center of Toshiba Corporation stated, "We are really honored and delighted that an organization as respected as Guinness World Records has certified our fuel cell as the world's smallest DMFC. This is welcome recognition of our efforts to stay a step ahead of our competitors in fuel cell miniaturization and operating efficiency. We will continue to develop even more compact, more efficient DMFC that can power the smallest portable devices on the market."

David Hawksett, science and technology judge at Guinness World Records said "Today's gadgets, with their color screens and powerful processors, are pushing battery technology to its limits. This portable power station will allow us all to use our mobile technology without having to stay within a few miles of a mains socket!"

Toshiba plans to introduce commercial samples of the world's smallest DMFC for small handheld electronic devices in 2005.

Main Specifications
Product:  Direct Methanol Fuel Cell
Output:  100 milliwatts
Size:  W22 x L56 x H4.5mm (thinnest) or H9.1mm (fuel tank)
Total Weight:  8.5 g including 2cc of methanol fuel inside the tank
Fuel Tank Size:  2cc
Fuel:  Methanol (99.5 percent concentration)
Continuous Operation:  20 hours with 2cc methanol (full tank)
Features:  - Passive fuel supply system
- Simple structure that requires no pump or fan
- Use high concentration of methanol
- Small fuel tank

About Guinness World Record
Published annually since 1955, Guinness World Records has become an international publishing phenomenon, published in more than 100 countries and in 23 languages. Guinness World Records has become a household name and the global authority on world records. No other enterprise collects, confirms, accredits and presents world record data with such comprehensiveness and thoroughness. Guinness World Records is the universally recognized authority on record-breaking achievements.

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