difference between primary cell and secondary cell.........
Answers
Explanation:
Difference Between Primary Cell and Secondary Cell
Primary cells are the ones which cannot be recharged and has to be discarded after the expiration of the lifetime whereas, secondary cells need to be recharged when the charge gets over. Both the types of battery are used extensively in various appliances and these cells differ in size and material used in them.
Difference Between Primary Cell and Secondary Cell
Primary Cell
Secondary Cell
Have high energy density and slow in discharge and easy to use
They are smaller energy density
There are no fluids in the cells hence it is also called as dry cells
There are made up of wet cells (flooded and liquid cells) and molten salt (liquid cells with different composition)
It has high internal resistance
It has low internal resistance
It has an irreversible chemical reaction
It has a reversible chemical reaction
Its design is smaller and lighter
Its design is more complex and heavier
Its initial cost is cheap
Its initial cost is high