Abstract

Preliminary studies were conducted to develop a dimensionally stable anode (DSA)electrode prepared by reactive sputtering method. The microstructure, surface morphology and electrochemical properties of iridium oxide <TEX>$(IrO_2)$</TEX> coatings synthesized by unbalanced magnetron sputtering (UBMS) and conventional DSA electrode were compared. In addition, the possibilities of <TEX>$IrO_2$</TEX> films synthesized by UMB on a real DSA electrode were investigated by electro-chemical application test. The degree of non-stoichiometry and surface area were closely related to the electro-chemical activity of the <TEX>$IrO_2$</TEX> electrode. The feasibility of making a DSA electrode prepared by PVD technique was demonstrated through the present work.

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