charging portable gadgets

Rohm Is Showing Tiny Hydrogen Fuel Cells Meant for Charging Portable Gadgets
Dec 21, 2012
Rohm is showing tiny hydrogen fuel cells meant for charging portable gadgets at the Ceatec exhibition in Japan. The cells are 32 centimeters by 65 centimeter, slightly larger than a nine-volt battery, and easily fit in the palm of the ...

Tags: Rohm, tiny hydrogen fuel cells, charging portable gadgets, smartphones