SECONDARY BATTERY Meaning and
Definition
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A secondary battery, also known as a rechargeable battery, is an electrochemical cell that can be charged and discharged multiple times. It refers to a type of battery that is designed to store and provide electrical energy for portable electronic devices, vehicles, or other applications. Unlike primary batteries, which are disposable and can only be used once, secondary batteries have the ability to be recharged and reused, making them more cost-effective and environmentally friendly.
Secondary batteries consist of two or more electrochemical cells that convert chemical energy into electrical energy. They typically use reversible chemical reactions to enable the charging and discharging process. The most common types of secondary batteries include nickel-cadmium (Ni-Cd), nickel-metal hydride (Ni-MH), and lithium-ion (Li-ion) batteries.
The main advantage of secondary batteries is their ability to be recharged, allowing for repeated use. They provide a reliable and portable power source for various devices, ranging from smartphones and laptops to electric vehicles and power tools. Secondary batteries have high energy density, meaning they can store a large amount of energy relative to their weight and size. They also have a low self-discharge rate, allowing them to retain energy for extended periods when not in use.
However, secondary batteries do have some limitations. They require specific charging and discharging procedures to maintain their performance and lifespan. Improper use, such as overcharging or deep discharging, can lead to reduced battery capacity or even permanent damage. Additionally, secondary batteries degrade over time and may eventually lose their ability to hold a charge.
Common Misspellings for SECONDARY BATTERY
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Etymology of SECONDARY BATTERY
The etymology of the word "secondary battery" is derived from the Latin word "secundarius", meaning "second in rank" or "subordinate". In the context of batteries, it refers to a type of rechargeable battery that can be reused after being discharged, distinguishing it from primary batteries, which are disposable and non-rechargeable. The term "secondary" implies that this type of battery comes after or is subordinate to the primary battery.
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