metal mixed oxide coated anodes, such as Ruthenium-Titanium Anode, Ruthenium-Iridium-Titanium Anode, Iridium-Tantalum- Titanium Anode, Iridium-Tin-Titanium Anode, Iridium Titanium anode , Platinum Titanium anode , Titanium Lead Peroxide Anoder etc. The coating is Pt, Ru, Ir, Ti based on Ti. and the eletrochlorinator cell assembly, cathodic-protection.