Which of the following is not correct for a fuel cell?
A
It can strore chemical energy
B
Reactants are continously spplied to the cell
C
Products are continuosly removed from the cell
D
It is a voltaic cell
Text Solution
Verified by Experts
The correct Answer is:
A
A fuel cell is essentially a battery but if differs by operating with a continuous supply of energetic reactants, or fuel. The first fuel cell was invented in `1839` by William Groves. He obtained the cell b y electrolyzing water and collecting the `H_(2)` and `O_(2)` in small, inverted test tubes. After removing the battery current would flow from the cell. In effect, the electrolysis charged the cell, after which it operated as a fuel cell. In its simplest form, `H_(2)//O_(2)` fuel cell consists of an electrolyte solution, such as sodium or potassium hydroxide solution, and two inert electrodes. `H_(2)` and `O_(2)` gases are bubbled through the anode and cathode compartments. Unlike batteries, fuel cell do not store chemical energy.
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