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Anode with improved coating for oxygen evolution in electrolytes containing manganese
Anode with improved coating for oxygen evolution in electrolytes containing manganese
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机译:具有改进涂层的阳极,可在含锰电解质中释放氧气
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摘要
It is described a novel type of electrode suitable for use as an anode for oxygen evolution from electrolytes containing sulphuric acid, or sulphates, in the presence of manganese, in electrometallurgical processes for the production of zinc, copper, nickel and cobalt and galvanic processes for the deposition of chromium, nickel and noble metals.The anode of the invention comprises a titanium substrate provided with an electrocatalytic coating for oxygen evolution made of iridium and bismuth oxides. In an alternative embodiment of the invention the coating comprises doping agents selected from the groups IV A, V A and V B, particularly tin and/or antimony.
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