to listen to our Walkmans. I have a few questions: How do batteries

work? What are the different kinds of batteries? Why do they die? Why

do they lose energy when they are not used for a long time? Well I

tried my best to find the best answers for these questions and a

Battery, also called an electric cell, is a device that

converts chemical energy into electricity. All batteries contain an

electrolyte, a positive electrode, and a negative electrode. There are

two general types of batteries. Batteries in which chemicals cannot be

reconstituted into their original form once their energy have been

converted these are called primary cells. Batteries in which the

chemicals can be reconstituted by passing an electric current through

them in the opposite direction are known as secondary cells, are

The primary battery is the most common type of battery used

today, invented by the French chemist Geoges Leclanche in the late

1860's. At the time this invention was very important and helped the

start of the industrial revolution. It allowed people with portable

terminal and a negative charge on the negative terminal, month after

also. The coat of lead sulfate makes the battery less efficient. When

play in the world today. The world is dependent on the battery, from

Both plates are immersed in a solution of sulfuric acid, this acts as

rubber, or plastic, called separators. All the positive plates are

electrode, and potassium hydroxide as the electrolyte. This cell gives

was invented by the American, Thomas Edison in the 1900's. It works

however it runs down quickly. Each cell is made up of a number of

physicist Gaston Plante. This invention was very crucial because it

flashlight battery. The Lechlanche cell is very similar to the dry

improving various conventional storage batteries, they have been able

Some common words found in the essay are:
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Approximate Word count = 1091
Approximate Pages = 4 (250 words per page double spaced)