> The are essentially a little battery but they utilize classic
> electrolytic capacior chemistry however due to their extremely dense
> charge/volume they have exceedingly high internal resistance.
I don't know that it's fair to call them a battery. A battery has
a nonlinear current/voltage relationship as energy is stored in the
chemistry. An ultracap is still just a capacitor, albeit a very large
one. Charge goes in, voltage goes up as per I=C dv/dt.
Relative to energy storage capacity..... yes, they are probably
closer to a battery than a "normal" capacitor.
-Cory
--
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* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering *
* Virginia Polytechnic Institute and State University *
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