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A battery is a source of electric power consisting of one or more electrochemical cells with external connections for powering electrical devices. When a battery is supplying power, its positive terminal is the cathode and its negative terminal is the anode. The terminal marked negative is the source of … See more Invention In the 1930s, the director of the Bagdad Museum and Iraq Antiquities Department Wilhelm König reported the discovery of the Baghdad battery, a first century device consisting of a … See more Primary and secondary batteries Batteries are classified into primary and secondary forms: • Primary batteries are designed to be used until exhausted of … See more Battery life (and its synonym battery lifetime) has two meanings for rechargeable batteries but only one for non-chargeables. … See more Legislation around electric batteries includes such topics as safe disposal and recycling. In the United States, the Mercury-Containing and Rechargeable Battery Management Act See more Batteries convert chemical energy directly to electrical energy. In many cases, the electrical energy released is the difference in the cohesive or bond energies of the metals, oxides, or molecules undergoing the electrochemical reaction. For instance, energy can be … See more A battery's characteristics may vary over load cycle, over charge cycle, and over lifetime due to many factors including internal chemistry, current drain, and temperature. At low temperatures, a battery cannot deliver as much power. As such, in cold … See more A battery explosion is generally caused by misuse or malfunction, such as attempting to recharge a primary (non-rechargeable) battery, or a short circuit. When a battery is recharged at an excessive rate, an explosive gas mixture of See more WebAn automotive battery or car battery is a rechargeable battery that is used to start a motor vehicle. Its main purpose is to provide an electric current to the electric-powered starting motor, which in turn starts the chemically … how are robots used in agriculture
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