Article
Article
Battery
Article By:
Anglin, Donald L. Consultant, Automotive and Technical Writing, Charlottesville, Virginia.
Sadoway, Donald R. Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts.
Last reviewed:August 2022
DOI:https://doi.org/10.1036/1097-8542.075200
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- Battery, published November 2016:Download PDF
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An electrochemical device that stores chemical energy which can be converted into electrical energy, thereby providing a direct-current voltage source. Although the term “battery” is properly applied to a group of two or more electrochemical cells connected together electrically, both single-cell and multicell devices are called batteries (Fig. 1). An extremely reliable source of power, batteries appear in a vast number and range of applications in the modern world, for instance in mobile telecommunications devices, portable computers, vehicles, and electronics. See also: Automobile; Computer; Direct current; Electric vehicle; Electrochemistry; Electromotive force (cells); Electronics; Mobile communications
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