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Alkaline batteries: components - sizes - works


Alkaline batteries: components - sizes - works  What are alkaline batteries?

Alkaline batteries

Alkaline batteries are batteries that have a relatively long shelf life, their electrodes are made of zinc and manganese dioxide, and this type of battery has a constant voltage, which provides better regular energy, and it comes in several sizes to suit different uses, including what is Rechargeable, some of which must be disposed of when the battery is discharged.[1]



History of the alkaline battery industry

Swiss engineer Waldemar Jungner developed a rechargeable alkaline cadmium silver battery in the year 1899 AD. Alkaline in 1901 AD.[2]


Alkaline batteries became available in the market in the 1960s, and are now the most common batteries in the world, and are used daily in remote controls, toys, cameras, radios, light bulbs, etc., whether they are rechargeable batteries or not. [3] ]



Alkaline battery components

Alkaline batteries consist of the following parts:[4]

1.      The material of the anode or positive electrode is made of zinc material.

2.     The cathode or cathode material is made of manganese-based paste.

3.     An alkaline electrolyte is a solution of potassium hydroxide (KOH), which acts as a medium in which ions and electrons flow.

4.     A metal case or a steel frame housing containing battery components.

5.     The collector bar attached to the negative terminal is a metallic material that separates the anode from the cathode and keeps the materials from mixing and reacting when the circuit is closed.



Alkaline battery sizes

Batteries have several different shapes and sizes, used according to the specifications of the device they are placed in, and the following are the most common batteries: [5]


1.      D Size battery cells: 58 mm in length and 33 mm in diameter.

2.     C Size battery cells: 46mm in length, 26mm in ring diameter.

3.     AA size battery cells: 50 mm long, 14.2 mm ring diameter.

4.     AAA size battery cells: 44.5 mm in length, 10.5 mm in diameter.

5.     AAAA size battery cells: 40.2 mm in length, 8.4 mm in ring diameter.

6.     N Size battery cells: 28 mm in length, 11.5 mm in ring diameter.



How alkaline battery works

When the electric cell is connected, and connected to a device such as a light bulb or electric bell, the zinc substance inside it reacts with manganese dioxide in a chemical reaction, losing electrons.[6]

These lost electrons are collected on the metal rod inside the cell, allowing it to flow from the negative electrode at the bottom of the battery, then pass through electrical wires to the light bulb or electric buzzer, making the lamp light up, or the bell ring, and then the electrons back to the top of the battery via its anode.[6]





1.      Vishal Sapru , "the-world-of-alkaline-batteries", batterypoweronline, Retrieved 17/1/2022. Edited.

2.     RICHARD (30/11/2017), "history-alkaline-battery", upsbatterycenter, Retrieved 17/1/2022. Edited.

3.     "what-are-alkaline-batteries", batteryguy, 1/6/2020, Retrieved 17/1/2022. Edited.

4.     Jack Byrom (24/4/2017), "What Are the Elements of an Alkaline Battery?", sciencing, Retrieved 7/4/2022. Edited.

5.     "battery-size-chart", power tenergy., Retrieved 17/1/2022. Edited.

6.     Dominick (9/9/2019), "how do batteries work?", theconversation, Retrieved 17/1/2022. Edited.




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