How to calculate energy density and power density in wh/cm and w/cm?

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Amjid Rafique

e.g i have capacitance c= 0.00473 F and length of the electrode i used is 2.5 cm

Dean Stewart

E=1/2CV2

Fei Xue

I guess cm means cubic meter here. You need to know the power and energy rating and volume before you can calculate.

For example, you have a 1kWh battery pack that is 0.1 cubic meter in volume, then its energy density is 1kWh/0.1cm=10000 (Wh/cm)

Similarly, the power density can be calculated in the same way.