Science Week: Day 2: How do Batteries Produce Electrical Energy?

Our fun facts about using batteries to produce electrical energy:

When did scientists first begin to harness, store and generate electrical energy?

Efforts began in the 18^th century. Benjamin Franklin, Luigi Galvani, Alessandro Volta, Michael Faraday, Thomas Edison, Nikola Tesla and Albert Einstein helped us too understand how electricity worked.

How is the electrical energy produced in the battery?

A chemical reaction occurs between the two metals that are separated by paper soaked in vinegar. When this happens an electron is generated and is spit out into the wire. When this is connected in a loop current flows and electricity is produced.

What is the difference between a primary cell and secondary cell battery?

The major difference between a primary cell and the secondary cell is that primary cells are the ones that cannot be charged but secondary cells are the ones that are rechargeable.

What are the applications of batteries in everyday life?

Batteries are used to power things like remote controls, torch, wall clock, flashlight, hearing aids, weight scales, etc. Rechargeable batteries are also used in various devices like digital cameras, mobile phones, batteries of vehicles, video game devices, remote control cars, home maintenance tools, and many more.

What are the environmental aspects of the use of batteries?

As batteries corrode, their chemicals soak into soil and contaminate groundwater and surface water. Our ecosystems, which contain thousands of aquatic plants and animals, are compromised when filled with battery chemicals. This means that when we drink from tap water faucets, we could be ingesting dangerous metals.

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