Fuel cells (2014 VCE)

1) A hydrogen-oxygen fuel cell uses 1.00 × 10–5 mol of hydrogen gas per second of operation. The current produced by this cell is
A. 0.483 A
B. 0.965 A
C. 1.93 A
D. 3.86 A

Solution

2) A hydrogen-oxygen fuel cell can operate with an alkaline electrolyte such as potassium hydroxide. In this cell, the reaction at the cathode is shown below

Write the half-equation for the reaction that occurs at the anode in a hydrogen-oxygen cell with an alkaline electrolyte.

Solution