Submitted by Saul Pangu on Mon, 06/01/2020 - 17:44
  1. Illustrate the chemical changes taking place during Recharging and discharging in the following types of secondary cells;
  1. Lead acid cells              
  2. Nickel cadmium cells    
  3. Nickel iron (Edison cell) 

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Wednesday at 06:26 AM

Try individual battery tutorial in circuit-digest. I hope it will be helpful.

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A battery is a device consisting of one or more electrochemical cells with external connections for powering electrical devices such as flashlights, mobile phones, and electric cars. When a battery is supplying electric power, its positive terminal is the cathode and its negative terminal is the anode.The terminal marked negative is the source of electrons that will flow through an external electric circuit to the positive terminal. When a battery is connected to an external electric load, a redox reaction converts high-energy reactants to lower-energy products, and the free-energy difference is delivered to the external circuit as electrical energy. Historically the term "battery" specifically referred to a device composed of multiple cells, however the usage has evolved to include devices composed of a single cell.

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