Electrodeposition of metals esp. copper - using hydrogen anode out of contact with metal contg. electrolyte, to prevent fouling of anode

摘要

Metals having a lower oxidation potential than hydrogen therefore reducible by hydrogen from solutions of their acid salts are electrodeposited from thin salts using a hydrogen anode having its catalytic surface in ionic contact with the solution but out of physical contact with it. The hydrogen is passed along the catalytic surface so that the metal of the solution is reduced to the element on a conductive surface in the soln.