Fuel cells show great promise in driving devices off-grid without the environmental, bulk, or weight penalties of batteries and generators, but required design-in for their particular application. The ...

With hazardous materials rules amended, new products finally seen as a year or two away. A USB mobile power system, left, produced by Lilliputian Systems Inc., charges a portable mobile phone, right, ...

The current buzzword in personal electronics is Wi-Fi, but the full potential of the latest laptops, cell phones and PDAs is being held back by batteries that last just a few hours. Major consumer ...

UltraCell Corp, of Livermore, Calif, a maker of micro fuel cell systems for portable devices such as satellite phones, radios and laptop computers, has raised $10.3 million in a third round of funding ...

Hydrogen fuel cells, which power some electric cars, pack far more energy per weight than lithium-ion batteries. The devices also show promise for decarbonizing aviation, shipping, and trucking. But ...

Apple has filed patents delineating the use of fuel cells, the technology that converts hydrogen and oxygen into electricity, in future Apple phones, tablets, and laptops. According to the patent ...

If we asked you to think of a device that converts a chemical reaction into electricity, you’d probably say we were thinking of a battery. That’s true, but there is another device that does this that ...

TI has introduced two battery fuel gauges with low-dropout regulators (LDOs) for smart phones, mobile Internet devices and media players with embedded or removable batteries. The new system-side and ...

SIOUX FALLS, S.D. — Laptop, cell phone and iPod owners tired of having their devices run out of charge after a few hours have been patiently waiting for the next portable power source to arrive. Tiny ...