How Does Battery Work

How Does Battery WorkThe chemical reactions inside the battery creates a build up of electrons at the anode. This outcomes in an electric difference between the cathode and the anode. You can consider this difference as an unstable build up of the electrons.

The electrons would like to rearrange themselves to remove this difference. However they do this in a specific way. Electrons repel one another and attempt to go to a spot with fewer electrons. 

In a battery, the only spot to go is to the cathode. However, the electrolyte maintains the electrons from going directly from the anode to the cathode inside the battery. When the circuit is shut (a wire connects the anode and the cathode) the electrons will be able to reach the cathode.

However, these electrochemical procedures change the chemicals in cathode and anode to make them stop delivering electrons. So there is a limited sum of power accessible in a battery.

Interesting Facts about Batteries

A battery uses chemistry, not mechanical motion to produce a continuous flow of electrical power.

A battery is able to generate a constant flow of DC (direct current) electricity until all the energy inside the battery is used.

In 1800 Alessandro Volta developed the first voltaic cell battery. This battery did not look like modern batteries, however still worked the same.

A battery is also referred to as a voltaic cell. Some batteries use numerous cells to supply higher amounts of voltage and current.

In 1836 the very first rechargeable battery was created by a chemist from England. This battery was a lead-acid battery that is still used today in most automobiles.

The battery was developed before the electric generator.

Lead acid batteries are huge, but also supply a large amount of current. Lead acid batteries are employed in cars, trucks, motorcycles, boats and back-up power devices. The 3 primary types of lead acid batteries sold are wet cell, absorbed glass mat (AGM) and gel cell.

The 6 most well-known batteries used today are lead acid, alkaline, NiMH, NiCd, Li-ion and LiPo.

Alkaline batteries are extremely popular and utilized in devices such as toys, portable radios, flash lights, calculators and more. Alkaline batteries are sold in many sizes including AAA, AA, D, C and 9 volt. Most alkaline batteries give 1.5 volts, except 9 volt batteries supply 9 volts.

Battery Facts for Kids

Batteries are available in many sizes and shapes. Some are as small like a button. Others can be as large as a brick. All batteries change chemical energy into electrical energy. This energy is employed to power computers, clocks, power tools and more.

Batteries are excellent because they make it much simpler to carry around electronic devices, such as cameras and cellphones. Imagine if everybody's cellphone had a power cable. That could be quite a mess to untangle 

We have to be mindful though, because batteries are a dangerous waste that is corrosive (ke-row-siv). They have to be used and recycled carefully.

Batteries are produced from chemicals present in minerals. Most of these minerals are heavy metals, which could be poisonous even in tiny amounts.

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