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What is the difference between saline and alkaline batteries

Alkaline batteries - most popular

The batteries used in everyday life, can be dividedon saline and alkaline. Until recently, salt batteries were popular and in demand, and there is almost no change, the form in which began to be used.

After the appearance on the market is alkaline batteries last in 1960 it began to use the most popular.

Saline alkaline batteries over

The first battery invented by Italian physicistAlessandro Volta in 1800, and it was salt. His discovery was the fact that he joined the metal discs of silver and zinc and brine-soaked cardboard. Since then, scientists have perfected the design and composition of the batteries.
In 1820, British scientist John DanielI developed a battery in which the electrolyte can be used copper and zinc sulfate. The power of these devices was 1.1 volts, and could last for 100 years when used in doorbells, phones and other devices.
Alkaline batteries were first developed inlate 19th - early 20th century, scientists Thomas Edison and Waldemar Yungnerom. The general public, they were presented only in 1960. First sold alkaline batteries contain a small amount of mercury. In modern its quantity reduced to a minimum.

How do the batteries

To understand the difference between alkaline andManganese batteries, refer to the general principle of operation of these devices. When the battery is connected to the device, there is a reaction, as a result of which there is electrical power. This electrochemical reaction is called.
Inside batteries moving electrons, creatingelectric current, from which the feed devices. The anode and cathode separated by an electrolyte, i.e. an insulator. The electrons are collected around the anode, the negatively charged end of the battery. They are moved to the cathode, when two opposite ends connecting wire outside the battery. As soon as the device is turned off, the connection is lost, and with it the electric current. The anode in batteries - a zinc, a cathode - manganese dioxide.

The difference in the saline and alkaline batteries

The most common salt is zinc batteries. The zinc salt battery electrolyte is composed of salt - zinc chloride.

In general, the overall performance of alkaline batteries are superior to saline 5-7 times.

Unlike salt, in alkaline batteries inAs the electrolyte salt solution is used instead of an alkaline solution (potassium hydroxide). Alkaline batteries are more workable compared to saline. The key is that they used instead of zinc powder housing of the same metal, and alkali, interacting with the cathode and the anode, it produces more energy. A striking example is the Duracell alkaline batteries.
Zinc Manganese batteries operate at-20 to + 70C. Their standard sizes AA and AAA, and they can be used in a variety of devices, from flashlights to clocks. Their term of validity is an average of 2 years.

The average thickness of the battery is 1.5 volts.

Alkaline (they are alkaline) batteries will lastlonger. They can be stored up to 10 years. Due to the alkaline electrolyte, they work better at low temperatures. In size, they are no different from the salt.
Until recently, alkaline batteriesIt could not be recharged, but recently it has become possible. Such batteries not only can be recharged over and over again, but they are able to hold a charge for many years. In this great ecological advantage of these batteries.
Alkaline batteries better respond to the needs of today's market, as they consumed power is constantly increasing.

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