Different Philippine Coins As Substitutes For US Pennies and Batteries, as Sources of Electricity

A. Acosta, M. Alcasid, A. Alfonso, L. Alvarez, B. Atienza

Science, 2018


  Abstract

The researchers aim to know if Philippine centavo coins, specifically the 5 centavo and 10 centavo coins, which have copper like the US pennies, are able to produce electricity. It is known that US pennies are able to produce electricity and having a component similar to that of the US pennies means that Philippine centavo coins may be sources of electricity too. The researchers also aim to know the electricity produced by the commercially available batteries and at the same time know if Philippine centavo coins can give off the same amount of electricity that the batteries can yield, or better if the Philippine centavo coins can produce an amount of electricity larger than that of the amount of electricity produced by the batteries. There are two controlled setups and two experimental setups. In the controlled setups, we have two groups. The researchers have the US pennies in the first group; three different, commercially available batteries in the second group. The researchers will measure the electricity that are produced by the US pennies and three different batteries, namely Kodak, Eveready, and Energizer. Meanwhile, in the experimental setups, the researchers will measure the electricity produced by the Philippine centavo coins, which are the 5 centavo coins in the first group and 10 centavo in the second. Observations are to be gathered after recording the electricity each material has produced. The observations gathered from the experimental and controlled setups presented almost the same results. In the controlled setups, the results show that the three batteries produced an average amount of electricity ranging from 1.59 V to 1.68 V, while the US pennies produced an average of 0.99 V. In the experimental setups, it showed that like the batteries, US pennies and Philippine centavo coins (5 centavo and 10 centavo coins) are capable of producing electricity. In fact, the 10 centavo coins were able to produce an electricity bigger than that of the batteries and the US pennies. The researchers conclude that Philippine coins are capable of being sources of electricity and can therefore be an effective alternative to commercially available batteries. With this being said, Philippine centavo coins can also benefit Filipinos, especially those living in rural areas of the country and are better batteries for it produces a greater amount of electricity and unlike batteries sold in stores, it does not give any harm to the environment.

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