A wet-cell battery produces electric current through a chemical reaction. When connected to a load, lead and lead oxide react with the electrolyte solution, which consists of water and acid. This reaction generates electric current that flows from the battery’s terminals to the load.
During the discharge process, a redox reaction takes place. The lead acts as the anode, while the lead dioxide serves as the cathode. At the anode, lead oxidizes, releasing electrons into the external circuit. These free electrons travel through the circuit, providing electric current. Meanwhile, at the cathode, lead dioxide is reduced by gaining electrons. This movement of electrons creates a flow of electric current that powers devices connected to the battery.
Once the battery is depleted, the chemical reactions reverse during recharging. This process restores the original materials in both the anode and cathode, allowing the battery to be used again.
In understanding how a wet-cell battery produces electric current, we recognize the essential role of chemical reactions. The next section will delve into the specific types of wet-cell batteries and their applications in everyday life.
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