Research I just did indicated that cooking charcoal to activate it, in a summary, makes the particles smaller (DUH) which increases the surface area related to the particle core. You're correct that it is plain old charcoal
Has the meaning of supercap changed? Back a bit, it meant huge amounts of additional capacitance in a smaller package although at a teeny breakover voltage. Good only for filtering or storage.
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casual notes from the underground:There are some "experts" out there that in reality don't have a clue as to what they are doing.
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