1. prepare down some applications of fuel cells.
2. prepare down the types of fuel cells. describe them in detail.
3. prepare down the main components of fuel cell?
4. What do you understand by flywheel energy storage?
5. prepare down various methods of energy storage.
6. What are the classifications of batteries?
7. What do you mean by energy efficiency?
8. Describe life cycle of the battery in detail.
9. What do you understand by power capacity?
10. What do you mean by specific power?
11. prepare down the advantages of flywheel over batteries?