How Does a Battery Work?
Battery can be defined as the collection of chemicals that react to produce electronic current. The chemical reaction that converts chemical energy into electrical energy is known as the electrochemical reaction and it forms the basis of a battery’s working. The construction of a battery consists of two terminals, one positive and other negative.
Collectively known as electrodes, one with negative mark is called anode, while the other with positive mark is called cathode. Different electrolytic solutions are used in two half-cells, one accommodating anode and other cathode. The two electrodes are connected with the help of wire that help the electrons to be transferred from the anode to the cathode. Electrons are nothing but the negatively charges whose stream give birth to the electronic current. As the electrons start moving from anodes to cathodes, the current starts flowing and this completes the working of a battery. It depends upon the size of the battery and the amount of electrolytes taken in each half-cell that for how long the battery will serve the purpose of providing voltage or current.
A battery is carefully constructed using right types of materials for anodes and cathodes and the electrolyte solutions are also appropriately chosen. The batteries also have two different types of internal arrangements. In serial arrangements, the voltages produced by different cells are added to provide the final value of current. However, in a parallel arrangement, the currents of different cells sum up to provide the final current value of batteries.
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