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The energy density requirement for portable power sources is ever on the increase.
Technology companies are working to find ways to enhance the run time of mobile devices …

Fuel cells have been touted as a long-lasting power supply for mobile devices, but have
proved to be a promise unfulfilled—so far. Reports in the international trade and technical …

Mobile device manufacturers would like to provide totally wireless solutions—including
charging. Future multimedia devices need to have longer operation times as simultaneously …

Batteries have not kept pace with the advancing technology that they power, but they are
used in everything from cell phones, laptop computers, and toys to consumer electronics …

The prospect of small fuel cells replacing batteries in portable equipment is considered in
terms of their prospective energy density, technological feasibility, safety and cost. Fuel cells …

Other fuel cell advantages include the ability to remotely monitor the equipment, reduced
space and weight requirements, longer lifetimes, and consistent power in extreme …

No matter how much wireless vendors improve their processors, memory systems, and
networks, it does no good if a mobile device's battery dies or has such a short life that users …

At the beginning of the 21st century, fuel cells appear poised to meet the power needs of a
variety of applications. Fuel cells are electrochemical devices that convert chemical energy …

Recent technological advances and increased demand for clean air and high efficiency are
renewing interest in fuel cells. Fuel cells use an electochemical process, controlling an …