A battery is a device that stores and releases electrical energy through a chemical reaction.
It consists of one or more cells, each of which contains a positive electrode (anode), a negative electrode (cathode), and an electrolyte that enables the flow of ions between the electrodes.
When a battery is connected to a load (e.g., a light bulb or a motor), the chemical reaction produces an electric current, which flows from the anode to the cathode, producing electrical energy.
There are many different types of batteries, including:
Alkaline batteries - widely used in consumer electronics and small devices.
Lithium-ion batteries - widely used in laptops, smartphones, and other portable devices due to their high energy density and long cycle life.
Lead-acid batteries - widely used in vehicles and backup power systems due to their low cost and high power output.
Nickel-metal Hydride batteries - commonly used in portable electronic devices and electric vehicles.
Batteries play a critical role in modern life by providing a portable source of electrical energy, enabling us to use electronic devices and appliances without being tethered to a power source.
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