Batteries
Batteries
Batteries (pronunciation: /ˈbætəriz/) are devices that store energy and make it available in an electrical form. They convert chemical energy into electrical energy through a chemical reaction.
Etymology
The term "battery" was first used by Benjamin Franklin in the 18th century to describe a set of linked capacitors he used for his experiments with electricity. The term was later adopted to denote a collection of cells or battery cells.
Types of Batteries
There are several types of batteries, including:
- Lead-acid batteries: These are the oldest type of rechargeable battery. They are often used in vehicles and uninterruptible power supply (UPS) systems.
- Nickel-cadmium batteries: These batteries are known for their robustness and long lifespan. They are commonly used in power tools and other high-drain applications.
- Lithium-ion batteries: These are the most commonly used batteries in consumer electronics due to their high energy density and long lifespan.
- Alkaline batteries: These are non-rechargeable batteries that are commonly used in portable electronic devices.
Related Terms
- Battery cell: This is the basic unit of a battery, consisting of an anode, cathode, and electrolyte.
- Anode: The anode is the part of the battery where oxidation occurs.
- Cathode: The cathode is the part of the battery where reduction occurs.
- Electrolyte: The electrolyte is the medium that allows for ion exchange between the anode and cathode.
- Voltage: This is the electric potential difference between the anode and cathode in a battery.
External links
- Medical encyclopedia article on Batteries
- Wikipedia's article - Batteries
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