Similarities and Differences between Supercapacitors and Batteries for Storing Electrical Energy
A modern technological society demands the use and storage of energy on a major scale, employing large and small systems for that purpose. Energy stored as potential energy is involved in hydroelectric systems through the hydrostatic “head” of water behind dams; it is also stored in a potential sense in fuels (e.g., coal, oil, and cryogenic hydrogen) and becomes available, albeit with rather poor efficiency, through combustion utilizing steam-piston, steam-turbine, and internal combustion engines of various kinds as energy transduction devices. Energy may also be stored as rotational kinetic energy in flywheels.
KeywordsCharge Storage Electrochemical Capacitor Battery Cell Electroactive Material Battery Electrode
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