Question

The energy of the fuel cells ___________

(a) Can be recharged

(b) Cannot be recharged

(c) Is stored

(d) Cannot be said

The question was asked in homework.

Enquiry is from Types of Fuel Cells in section Electro Chemical Cells and Corrosion of Applied Chemistry

Answer 1

Right answer is (c) Is stored

To elaborate: The energy of the fuel cells is stored. Energy can be withdrawn indefinitely as long as outside supply of fuel is maintained.