![]() ![]() The electrochemical reaction in a battery involves transfer of electrons from one material to another (called electrodes) through an electric current. Alessandro Volta, an Italian Physicist, invented the first battery in 1800. What is a Battery?Ī Battery is a chemical device that stores electrical energy in the form of chemicals and by means of electrochemical reaction, it converts the stored chemical energy into direct current (DC) electric energy. Stanley Whittingham and Akira Yoshino for the development of lithium-ion batteries. Even before that, they were an integral part of our lives in powering several portable devices like transistor radios, Walkman, handheld games, cameras etc.īut with the development in advanced smart phones, tablets, laptops, solar energy and electric vehicles, the research into powerful batteries that can last longer and can deliver the necessary energy has been at its peak.Īs a matter of fact, the 2019 Nobel Prize in Chemistry has been awarded to three scientists John B. ![]() ![]() Some of the common places where you use batteries are a wall clocks, alarms or smoke detectors, which uses small disposable batteries or cars, trucks or motor cycles, which uses relatively large rechargeable batteries.īatteries have become a very important source of energy in the last decade or so. Whether you are an Electrical Engineer or not, you might have come across at least a couple of different types of batteries in your life. ![]()
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