Energy Density

Characteristic parameter of a battery/electrical power source indicating the amount of electrical energy stored per unit weight or volume.

Specific Energy or Gravimetric Energy Density

Weight based energy density [watt-hour/kg].

Volumetric Energy Density

Volume based energy density [watt-hour/litre or watt-hour/m3].

Note: the terminology is not strictly defined.

See also: Battery, Energy Content, Power Density, Ragone Plot, Watt Hours per Kilogram.

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Subjects: Chemistry Mechanical Engineering