Battery Principle

Chemical batteries, chemical energy directly into electrical energy depends on the internal spontaneous oxidation and reduction reactions, such as the result of this reaction in the two electrodes on the. Negative active material from more negative potentials and stable reducing agent in the electrolyte composition, active metals such as zinc, cadmium, lead and hydrogen or hydrocarbons. Positive electrode active material by the potential of a positive and stable oxidants in the electrolyte composition, such as manganese dioxide, lead dioxide, nickel oxides and other metal oxides, oxygen or air, halogens and its salts, oxygen acids and their salts, and so on. Is a good ion conductivity of electrolyte materials such as acids, alkalis, aqueous solutions of salts, non-aqueous, organic or inorganic molten salts or solid electrolyte. When the circuit is disconnected, although there are differences between the Poles (open circuit voltage), but there is no current, does not convert the chemical energy stored in the battery power. When the circuit is closed, two-electrode potential difference under that there is current flow through the external circuit.

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