Question

Use your own words to explain the following questions. Please no handwriting.

Describe the fuel cell that is best suited for automotive applications and explain the reasons why.

Discuss the reasons why hydrogen is liquefied and the benefits associated with this effort.

Explain how a fuel cell produces electrical current.

What is double-layer technology?

Select one:

a. two activated-carbon electrodes are immersed in an organic electrolyte

b. an internal combustion engine

c. an electric motor or motors

d. none of the above

Answer 1

1. Fuel cell best suitable for automotives is hydrogen fuelled cell because the only by product of this cell is water.

2. Hydrogen is Liquefied: Liquefaction of gases is a significant portion of cryogenics and the gases are Nitrogen, Hydrogen, Oxygen etc.
- The elementary concept backing liquefying the gases is as they have a very less boiling point, as soon as they are combustible.

3. Production of electric current in fuel cell-
-Electric electrons must travel along an external circuit– generating an electric current. - At the cathode, the electrons and the hydrogen ions combine with oxygen to make water, which then flows out of the cell.
-A fuel cell takes in hydrogen and oxygen and produces electricity, with water and heat as by products.

4. Correct answer:- [a] two activated-carbon electrodes are immersed in an organic electrolyte.