how battery works
A Battery is a device that stores chemical energy and converts it to electrical energy.
The chemical reactions in a Battery involve the flow of electrons from one material (electrode) to another, through an external circuit.
A battery is a device that stores chemical energy and converts it to electrical energy.
The chemical reactions in a battery involve the flow of electrons from one material (electrode) to another, through an external circuit.
To balance the flow of electrons, charged ions also flow through an electrolyte solution that is in contact with both electrodes.Different electrodes and electrolytes produce different chemical reactions that affect how the battery works, how much energy it can store and its voltage.Imagine a world without batteries.
We’d only be able to take our laptops and phones as far as the reach of their cables, making that new running app you just downloaded onto your phone fairly useless.Luckily, we do have batteries.
Back in 150 BC in Mesopotamia, the Parthian culture used a device known as the Baghdad battery, made of copper and iron electrodes with vinegar or citric acid. In 1780, Galvani had shown that the legs of frogs hanging on iron or brass hooks would twitch when touched with a probe of some other type of metal.
He experimented with stacks of layers of silver and zinc interspersed with layers of cloth or paper soaked in saltwater, and found that an electric current did in fact flow through a wire applied to both ends of the pile.
A chemical reaction between the metals and the electrolyte frees more electrons in one metal than it does in the other.
Electrons flow from the negative end of the Battery through the wire and the light bulb and back to the positive end of the battery
2 thoughts on “How Battery Works”
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