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Lithium batteries are Primary Batteries that have Lithium metal Anodes . A lithium cell produces about twice the voltage of an ordinary Zinc-carbon Battery or Alkaline Cell -- 3V vs. 1.5V, respectively. Lithium batteries are used in many portable consumer electronic devices, and are widely used in industry. DESCRIPTION The term "lithium battery" actually refers to a family of different chemistries, comprising many types of Cathodes and Electrolytes . One type of lithium cell having a large energy density is the lithium-thionyl chloride cell. In this cell, a liquid mixture of Thionyl Chloride and Lithium Tetrachloroaluminate acts as the Cathode and Electrolyte , respectively. A porous carbon material serves as a '''cathode current collector''', which receives electrons from the external circuit. However, lithium-thionyl chloride batteries are generally not sold to the consumer market, and find more use in commercial/industrial applications, or are installed into devices where no consumer replacement is performed. Lithium-thionyl chloride batteries are well suited to extremely low-current applications where long life is necessary, such as in wireless alarm systems. The most common type of lithium cell used in consumer applications uses metallic lithium as anode and Manganese Dioxide as cathode, with a salt of lithium dissolved in an organic Solvent . |
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