The application relates to a portable device comprising a substrate, a number of electronic components, and a battery comprising an anode and a cathode for energizing at least some of the components. The application further relates to a method of protectio...

A method of preventing anode oxidation in a fuel cell (10) is disclosed comprising applying a negative current to an anode (30) of said fuel cell (10), such that the anode (30) is disposed in ionic communication with a cathode (50) through an electrolyte (...