In a redox reaction removal of electrons, and addition of electrons occur simultaneously called oxidation and reduction respectively.
In the batteries, redox half-reaction can be done in discrete containers that are reduction half-reaction and oxidation half-reactions.
Batteries are the devices that are used in converting chemical reactions to electrical energy.
Batteries are responsible for the electric flow of the redox reaction.
At the anode, the oxidation reaction takes place whereas cathode the reduction reaction takes place.
The redox reaction includes the flow of electrons between the process of oxidation and reduction which conducts the electricity through a chemical reaction.