Rohm develops disposable hydrogen fuel cells to charge smartphones

Soon, giving your phone a quick charge on the go could get a lot easier than it is today. No longer will we need to carry phone-chargers and spare batteries to keep our phones juiced up. Developed by Rohm, these disposable fuel-cell chargers are easy to use and seem like a practical concept. With only hydrogen as a byproduct, these disposable chargers power up with the reaction of a metal material and water. Providing each handset about 5W with a single charge, these juice-packs are good enough to keep your phone switched on until you can finally spot a more-permanent charging solution.

[Engadget]