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A Study of the Electrical Behavior of UO2(O3PC6H5) Supported Film

Published online by Cambridge University Press:  25 February 2011

J. Benavente ,
J.R. Ramos Barrado ,
S. Bruque  and
M. Martinez
J. Benavente
Affiliation:
Departamento de Física Aplicada, Universidad de Mílaga, E-29071 Mílaga, Spain
J.R. Ramos Barrado
Affiliation:
Departamento de Física Aplicada, Universidad de Mílaga, E-29071 Mílaga, Spain
S. Bruque
Affiliation:
Departamento de Química Inorgánica. Facultad de Ciencias., Universidad de Mílaga, E-29071 Mílaga, Spain
M. Martinez
Affiliation:
Departamento de Química Inorgánica. Facultad de Ciencias., Universidad de Mílaga, E-29071 Mílaga, Spain
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Abstract

The electrochemical behaviour of a polymeric supported uranyl phophonate film, when it is placed in contact with solutions of two generating electrolytes, (H2PO3C6H5 and UO2(NO3)2) at different concentrations, is studied by AC impedance spectroscopy and diffusion potential measurements. The equivalent circuit associated to the film and some of its characteristic electrical parameters (Rf and Qf) are determined. The cation transport numbers in the film (t+ = I+/I) with both electrolytes as well as their variation with concentration are also obtained. Differences found in the Qf parameter for both film/electrolyte systems are attributed to the different values of the transport numbers.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 293: Symposium U – Solid State Ionics III , 1992 , 367
Copyright
Copyright © Materials Research Society 1993

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