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Alkaline battery Facts for Kids. Kiddle Encyclopedia.
Alkaline battery facts for kids
An alkaline battery is a primary cell (it cannot be recharged). It is very common. Duracell, Rayovac, and Energizer are common brands of alkaline batteries. They have replaced the Leclanche battery as the "everyday battery". They are marketed in many forms, such as AAA, AA, C, D, 9V, and little tiny cells for watches and calculators. In the battery, zinc is oxidized by manganese dioxide in a potassium hydroxide electrolyte.
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Images for kids
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Thomas Edison's nickel-iron batteries used a potassium hydroxide electrolyte manufactured between 1972 and 1975 under the "Exide" brand, originally developed in 1901 by Thomas Edison.
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Several sizes of button and coin cells. Some are alkaline and others are silver oxide. Two 9v batteries were added as a size comparison. Enlarge to see the size code markings.
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Alkaline battery which has ruptured and is leaking