Apple patent envisions fuel cell battery that could power a smartphone for weeks

Quick, what's your No. 1 qualm about smartphones? Chances are, you said "battery life." Most smartphones today, even high-end ones, barely last a day of heavy use.

Apple is looking to fix that problem with a new patent, filed in March and published Sept. 3, that describes a "fuel cell system for a portable computing device."

The patent envisions a system consisting of a fuel cell, which converts fuel to electrical power, an interface to the portable computing device (e.g. smartphone) and a controller that monitors the state of the fuel cell and controls it Read more...