[Actual] Difference and Similarities Between Battery and Capacitor


The main difference between Battery and Capacitor is Battery store electrical energy in the form of chemical energy whereas the Capacitor store electrical energy in the form of electrical charge. The similarity between Battery and capacitor is, both of them can store electrical energy. In this article, you will find other important differences between the capacitor and Battery in detail. You will also find the similarities between Capacitor and Battery.




Similarities Between Battery and Capacitor



1. As I told before the main similarity between Battery and Capacitor is, the battery can store electrical energy and the capacitor also can store electrical energy.

2. Another important similarity between the capacitor and battery is, both of them have a series resistance.

3. Both of them can create a potential difference across the other electrical components such as a resistor.




Difference Between Battery and Capacitor



There are many important differences between Capacitor and Battery. First of all, let's know the constructional difference then we will see the other differences.



Constructional Difference Between Battery and Capacitor




Battery Construction, battery internal structure


Here we talking about lead-acid battery. As you see in the above figure, the construction of the battery is shown. A battery is made by connecting no. of cells in series and parallel. As you see in the above figure, each cell has two plates, a positive plate, and a negative plate. The positive and negative plates are separated by separator or insulator. The total arrangement(two plates with a separator) is immersed in the mixture of Sulphuric Acid and distilled water.



Capacitor, electrolytic capacitor, capacitor construction


As you see in the above figure, the construction of the electrolytic capacitor is shown. The capacitor has two conductive plates one is Positive plate and another is negative plate. A dielectric material is used between the two plates of the capacitor. There are different types of capacitor each has different construction but all the capacitors have two plates or electrodes in which they store electrical energy in the form of charge.


Other important differences between Battery and Capacitor are given below.


Battery VS Capacitor




Battery

Capacitor
Battery store electrical energy in the form of chemical energy.
Capacitor store electrical energy in the form of electrical charge.
The charging and discharging rate of a battery are very slow.
The charging and discharging rate of a Capacitor are very fast.
Generally, a battery gives constant voltage during discharging.
In capacitor voltage rapidly decrease during the discharging time.
The main function of a battery is to provide electrical energy to a circuit or load.
The main function of a Capacitor is charging and discharging, that means first it takes energy from a circuit then it releases energy to the circuit.
The battery is an Active device.
The capacitor is a Passive component.
When a battery is to be charged, then the polarity of the power circuit must be reversed.
There is no need reversal of polarity for the charging of the capacitor.
The battery cannot be used for Power Factor improvement.
The capacitor can be used for Power Factor Improvement.
A battery cannot be used for filtering application.
A capacitor can be used for filtering application.
Battery always works on DC, that means the battery can store only DC and also gives voltage in DC.
Capacitor can be used in AC as well as DC.
The battery has a limited life cycle.
The capacitor has a long life cycle.
Battery more temperature sensitive than the capacitor.
Capacitor less temperature sensitive than the battery.







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[Actual] Difference and Similarities Between Battery and Capacitor [Actual] Difference and Similarities Between Battery and Capacitor Reviewed by ETechnoG on 18:45 Rating: 5
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