MMO Coating on Titanium

MMO Coating on Titanium
Mixed metal oxide coating on titanium substrate are widely used as anodes in
a variety of electrochemical processes,such as chlorine generation in the
chlor-alkali industry, oxygen production, electrowinning of metals and
cathodic protection. 
Application of materials with high conductivity and long term stability in
electrochemical environments is considered as one of the main goals of
electrochemical cell engineering.  metal oxides such as RuO2 and IrO2 with
high conductivity and electrochemical activity have received considerable
attention in the electrochemical industry as electro-catalyst. For further
improvement in stability of these oxides other oxides like TiO2, Ta2O5 and
ZrO2 are added to these active oxides.

Anodic evolution of chlorine and oxygen are the most important reactions in the
application of these materials.Oxygen evolution reaction is the most important
reaction in some electrochemical processes such as water electrolysis, metal
electrowinning and cathodic protection.

In addition, this reaction is an unavoidable reaction that can proceed in many
anodic processes. RuO2 based coatings like pure RuO2 and RuO2–TiO2 are very
stable for chlorine evolution reaction. However, they are unstable for anodic
oxygen evolution reaction and undergo heavy corrosion in acidic media. IrO2 is
more stable for oxygen evolution reaction but it has a lower electro-catalytic
activity for oxygen evolution. Thus mixed compound of IrO2 and RuO2 can be an
appropriate electro-catalyst for oxygen revolution due to advantageous
properties of both oxides.

Mxing two or more different oxides can influence the electrocatalytic
properties of oxides by changing microstructure, surface composition and
morphology of electrocatalyst components. In addition, the surface composition,
morphology and microstructure of mixed oxide coatings are not homogenous and
can be influenced by preparation factors and amounts of active oxides. 

Di Noer can customized the oxide coating materials according to different
solution and environments for different using.
Ruthenium mixed oxied coated titanium anode is generally used in hydrochloric
acid, electrolytic sea water, electrolytic salt water environment,
environmentis.
Application:Non-ferrous metal electrolysis production,chloride salt
electrolysis, salt/seawater electrolysis, metal foil manufacturing, surface
electrochemical treatment of metal foil,disinfection,non-ferrous metal
electrolytic extraction and recovery, organic electrolysis, cathodic
protection, electrodialysis, acid-base ionized water production, industrial
wastewater treatment And other fields.

Iridium mixed oxied coated titanium anode is generally used in sulfuric acid
environment or other oxygen evolution environment.
Application:Non-ferrous metal electrolysis production, etching solution
electrolytic copper recovery, surface electrochemical treatment of metal foil,
organic electrosynthesis, cathodic protection, electrodialysis, acid-base
ionized water production, industrial wastewater treatment and other fields.

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