Is there any reason everyone uses silver for the cathode? I can understand if people were reversing the polarity. But when things only go one way, does it matter what the cathode is made of? Could it just be copper wire?
Also, isn't the surface area of the cathode important. With the anode, more surface area reduces the density of a layer of silver ions coming off, combining with hydroxide ions. At the cathode end, isn't there a dense layer of hydroxide combining with incoming silver ions? Thanks, ~David
