Abstract

To clarify relatively fast corrosion rate observed by exposer tests in snowy and cold region in Japan, the effects of electrode temperature and thickness of electrolyte formed on zinc sheets on oxygen transport were investigated by electrochemically at room temperature and open to the air. A clear oxygen limiting current was observed independent of chloride ion concentration, electrode temperature and electrolyte thickness. As the electrolyte thickness became thinner than 0.6 mm, the oxygen limiting current increased with increasing inverse of electrolyte thickness in 1 kmol m-3 NaCl solution. In the case of thin electrolyte, the effect of electrode temperature on oxygen limiting current became significant.

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