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Activity Discussion Science & Technology What is dry cells?

  • Aashutosh

    June 7, 2021 at 10:11 pm
    Not Helpful

    A dry cell is the type of electric battery that is generally used as a portable electronic device. This battery is a device that compromises one or more electrochemical cells that convert chemical energy into electrical energy. It is developed by the German scientist Carl Gassner in 1886 following the development of wet zinc-carbon batteries that is invented by Georges Leclanche in 1866.

    Nowadays, dry cell batteries are the most commonly used, which vary from large flashlight batteries to Lazor batteries and are mostly used in wristwatches or calculators.

    A dry cell is a type of electrochemical cell made up of low moisture immobilized electrolytes in the form of a paste, which restricts it from flowing. Thus, it is easily portable.

    Dry cells can be classified as primary cells and secondary cells. A primary cell is a cell that can neither reusable nor rechargeable. Once the electrochemical reactions are exhausted then it will consume all the chemical reagents. Therefore they cannot produce more electricity. On the other hand, a secondary cell is a rechargeable cell that can be recharged by using battery charges, to regenerate the chemical reactions.

    The function of a dry cell is to produce energy. As we know its battery contains electrochemical cells that can store chemical energy and convert it to electrical energy. So, a dry-cell battery stores that energy in an immobilized electrolyte paste, which minimizes the need for water and produces energy.

    Some examples are:

    1. Primary cells: Zinc Carbon Cells, Alkaline Battery, Mercury Cell, Silver oxide cell, etc.

    2. Secondary Cell: 1. Nickel-cadmium cell (NiCd cell), Lithium-ion cell, Nickel-metal hydride cell, etc.

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