Cola Can Battery

Step 1: Gather Your Materials Materials: A can of cola A copper coin Tools: Can opener Crocodile clips Wire wool Step 2: Open your can of cola and pour the contents into a cup, put it to one side we’ll … Continue reading

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How to Make a Lemon Battery

Lemon Battery When your kiddo comes home with news that it is science fair time at school a quick, easy, and educational option is the lemon battery. Make a Lemon Battery  What You’ll Need:  4 lemons 4 galvanized nails 4 … Continue reading

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Splitting Water!

Electricity is “created” when certain chemicals react together. We use chemically- made electricity to power many machines from flashlights to a watch or sometimes a car. Yes, there are cars that run on electricity! The devices that store electricity are … Continue reading

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Alkaline Battery

A disposable, rechargeable battery with a high energy density that has storage longevity. Mostly used in consumer electronics such as remote controls, flashlights, etc. In an alkaline battery, the anode (negative terminal) is made of zinc powder and the cathode … Continue reading

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Nickel Cadmium Battery

NiCd is a type of rechargeable battery that uses nickel oxide hydroxide and cadmium as electrodes. Widely used in applications such as power tools, they have a high discharge rate but have low capacity compared to other rechargeable batteries. There … Continue reading

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Nickel Metal Hydride Battery

This battery uses a hydrogen absorbing alloy for the negative electrode instead of cadmium. They are interchangeable with most NiCd batteries, but NiMh batteries have a greater capacity and they are more environmentally friendly. The positive electrode for this battery … Continue reading

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Lithium Ion Battery

A very light, rechargeable battery commonly used in notebook computers, cell phones and camcorders. As one of the newer batteries out today, this battery can give 40% more capacity than a comparable sized NiCd battery. This battery is a rechargeable … Continue reading

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How Batteries Work

Batteries are all over the place — in our cars, our PCs, laptops, portable MP3 players and cell phones. A battery is essentially a can full of chemicals that produce electrons. Chemical reactions that produce electrons are called electrochemical reactions. … Continue reading

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Battery History

In the 1800s, before the invention of the electrical generator (the generator was not invented and perfected until the 1870s), the Daniell cell was extremely common for operating telegraphs and doorbells. The Daniell cell is also known by three other … Continue reading

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