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Examples of devices using primary cell and secondary cell.

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Difference Between Primary Cell and Secondary Cell

Primary CellSecondary Cell
Have high energy density and slow in discharge and easy to useThey are smaller energy density
There are no fluids in the cells hence it is also called as dry cellsThere are made up of wet cells (flooded and liquid cells) and molten salt (liquid cells with different composition)
It has high internal resistanceIt has low internal resistance
It has an irreversible chemical reactionIt has a reversible chemical reaction
Its design is smaller and lighterIts design is more complex and heavier
Its initial cost is cheapIts initial cost is high

Some examples of the secondary cell.

Lithium-ion battery and nickel-cadmium.

Some examples of the primary cell.

Alkaline batteries and dry cells are examples of primary cells.

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