The Chemistry Of Batteries Essay

1091 words - 5 pages

Batteries have been around longer than many people tend to think. In 1938, archaeologist Wilhelm Konig discovered some unusual clay pots while digging at a town just outside of present-day Baghdad, Iraq. The jars, which were measured approximately 5 inches long, included an iron rod enclosed in copper and dated back to 200 B.C. Investigations suggested that the vessels had once been complete with an acidic substance like vinegar or wine, leading Konig to think that these vessels were ancient batteries. Since this discovery, scholars have createdimitations of the pots that are able to produce an electric charge.
In 1799, Italian physicist Alessandro Volta made the first battery by piling ...view middle of the document...

The Daniell cell was a communalapproach to power doorbells and telephones before electrical generation was finalized.The Colombia Dry Cell became the first profitable,obtainable battery sold in the United States. The manufacturer later became known as the Eveready Battery Company, which assembles the Energizer brand.
If someone takes a look at a battery, they will notice that it has two terminals. One terminal is marked with a plus sign, while the other is marked with a minus sign. In normal flashlight batteries, like double A, C or D cell, the terminals are found on the ends. However, on a 9-volt or car battery, the terminals are located next to each other on the top of the unit. If a personlinks a wire between the two terminals, the electrons will drift from the negative end to the positive end as fast as they can. This will rapidlydissipate the battery and can also be harmful, predominantly on larger batteries. To appropriatelyjoin the electric charge formed by a battery, a person must attach it to a load. The load could be anything froma light bulb to a radio.
The inner parts of a battery are generallystored within a metal or plastic case. Located inside this case are cathodes and anodes. A cathode attaches to the positive terminal, while an anode links to the negative terminal. Better known as electrodes, they inhabit most of the space in a battery, and they happen to take place where the chemical reactions occur. The barricade between the cathode and the anode which stops the electrodes from touching while permitting electrical charge to runspontaneously between them is called a separator. The electrolyte is the standard that lets the electric charge flow between the cathode and anode. Finally, there is a part called the collector that administers the charge to the outside of the battery and through the load.
With the increase in manageable devices such as PCs, mobile devices, and MP3 players, the prerequisite for rechargeable batteries has grown considerably in recent years. Rechargeable batteries have been around ever since1859, when French physicist, Gaston Plante, invented the lead acid cell. With a lead anode, a lead dioxide cathode and a sulfuric acid electrolyte, the Plante battery was a predecessor to the modern-day car battery.Non-rechargeable batteries, also known as...

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