Latest in Batteries

Image credit:

Rohm 5Wh hydrogen fuel cells power up smartphones, ready for the trash after one charge

Sarah Silbert
October 2, 2012
13 Shares
Share
Tweet
Share

Sponsored Links

Rohm's hydrogen fuel cells are meant to power smartphones and other mobile devices, but unlike other juicing-up solutions, the cells are only good for one charge. Rohm says disposable fuel cells can be made smaller and lighter than their multi-use counterparts, and as the only byproduct is hydrogen, the company is touting the cells' eco-friendliness. The system generates electricity by using hydrogen that's created by the reaction of a metal material and water. While the device we saw here at CEATEC is a prototype, Rohm may offer its recharging system as both a smartphone case and a USB-attachable juicepack. Each offers 5Wh and can fully charge a handset once. There's also a 200W power generator, which certainly stretches the meaning of portable but can keep a laptop, LCD TV and a peripheral or two going for three to four hours. Rohm says its fuel cells will see a commercial release some time in 2013; for now you can get a sneak peek in our hands-on gallery below.

Gallery: Nikon Coolpix P300 hands-on | 18 Photos

Zach Honig contributed to this report.

All products recommended by Engadget are selected by our editorial team, independent of our parent company. Some of our stories include affiliate links. If you buy something through one of these links, we may earn an affiliate commission.
Share
13 Shares
Share
Tweet
Share

Popular on Engadget

Engadget's 2020 Back-to-School Guide

Engadget's 2020 Back-to-School Guide

View
Space Force official logo and motto unveiled

Space Force official logo and motto unveiled

View
Our readers get real about their issues with the AirPods Pro

Our readers get real about their issues with the AirPods Pro

View
Disney has no idea what it's doing with 'Mulan'

Disney has no idea what it's doing with 'Mulan'

View
Facebook repeatedly overruled fact checkers in favor of conservatives

Facebook repeatedly overruled fact checkers in favor of conservatives

View

From around the web

Page 1Page 1ear iconeye iconFill 23text filevr