The role of fission products (noble metal particles) in spent fuel corrosion process in a failed container
37th Annual CNS-CNA Student Conference - 2013 June 11

Presented at:
37th Annual CNS-CNA Student Conference
2013 June 11
Toronto, Canada
Session Title:
Student Conference Session

Linda Wu (Western University)
David Shoesmith (Western University)


The corrosion/dissolution of simulated spent fuel has been studied electrochemically. Fission products within the UO2 matrix are found to have significant effect on the anodic dissolution behaviour of the fuel. It is observed that H2O2 oxidation is accelerated on the surfaces of doped noble metal (_) particles existing in the fuel matrix. It is concluded that H2O2 decomposition rather than UO2 corrosion should be the dominant reaction under high H2O2 concentrations.

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