%0 Journal Article %A Kwang-Wook Kim and Geun-Il Park and Eil-Hee Lee and Kune-Woo Lee and Kee-Chan Song %D 2010 %J International Journal of Chemical and Molecular Engineering %B World Academy of Science, Engineering and Technology %I Open Science Index 47, 2010 %T Electrolytic Dissolutions of UO2 and SIMFUEL in Carbonate Solutions at Several pHs %U https://publications.waset.org/pdf/11459 %V 47 %X Electrolytic dissolution characteristics of UO2 and SIMFUEL electrodes were studied at several potentials in carbonate solutions of a high concentration at several pHs. The electrolytic uranium dissolution was much affected by a corrosion product of UO2CO3 generated at the electrode during the dissolution in carbonate solution. The corrosion product distorted the voltammogram at UO2 and SIMFUEL electrodes in the potential region of oxygen evolution and increased the overpotential of oxygen evolution at the electrode. The effective dissolution in a carbonate solution could be obtained at an applied potential such as +4 V (vs SSE) or more which had an overpotential of oxygen evolution high enough to rupture the corrosion product on the electrode surface. %P 707 - 710