May I ask what you want to achieve with such a system? I am asking because I can see no reasonable practical usage of this. If you are trying to use it for the purification of impure silver, as in the nitrate silver cell, you are wasting your time, for at least 2 reasons.
(1) The anode reaction is very inefficient and most of the current will be involved in side reactions. There is a thiosulfate silver stripper in the literature that is used for electrolytically stripping thin plated silver deposits. For any efficiency at all, it requires a very high concentration of 200 g/l Na2S2O3. That's 1.67 pounds per gallon.
(2) If some silver did dissolve at the anode and if the cathode were stationary, - black, stinking, non-adherent, fluffy, solid silver sulfide will form at the cathode surface and you would have a big mess. When plating the silver from photo Na2S2O3 fixer solutions, the cathode is a stainless steel drum that rotates. This rotation agitates the cathode film enough to quickly replenish the solution there and produce solid metallic silver that adheres to the cathode. Another agitation scheme involves circulating the solution with a pump and impinging the pump output directly on the SS sheet cathode. Still another is to move the SS sheet cathodes back and forth, horizontally, with a cathode rod agitator.
The second one above occurs because the silver thiosulfate complex ion is negative and therefore is repulsed by the negative cathode rather that being attracted. Therefore, as some silver deposits, the area right at the cathode surface becomes depleted with complex silver ions very rapidly. With no agitation at the cathode surface, the applied current, which has to do something, decomposes the thiosulfate and forms sulfide ion which combines with the silver in solution to form silver sulfide. This is averted by using a type of agitation that produces a shearing action at the cathode surface.
