Platinum anode is coated with A layer of platinum on titanium, niobium and other substrates, when used as an anode, titanium and niobium form a stable oxide layer, these oxides are stable to titanium up to 12V, niobium up to 90V, the consumption rate of platinum plating anode is 6-10mg/A•a, platinum plating anode is used in silk or screen, platinum plating anode is suitable for freshwater or seawater use, Not suitable for soil, can be applied to condensers, pumps, heat exchangers, ships and so on.