Producción Científica Profesorado

Design and Construction of Solid State Ag/AgCl Reference Electrodes Through Electrochemical Deposition of Ag and AgCl Onto a Graphite/Epoxy Resin-Based Composite. Parte 1: Electrochemical Deposition of Ag Onto a Graphite/Epoxy Resin-Based Composite



Alvarez Romero, Giaan Arturo

2011

Valdés-Ramírez G.,Ramírez-SilvaM. T., Palomar-Pardavé M., Romero-Romo M., Álvarez-Romero G. A., Hernández-Rodríguez P. R., Marty J. L., Juárez-García J. M., Design and Construction of Solid State Ag/AgCl Reference Electrodes Through Electrochemical Deposition of Ag and AgCl Onto a Graphite/Epoxy Resin-Based Composite. Parte 1: Electrochemical Deposition of Ag Onto a Graphite/Epoxy Resin-Based Composite, International Journal of Electrochemical Science, 2011, Vol 6, ISSN 1452-3981


Abstract


In order to design and build solid state Ag/AgCl reference electrodes, the thick-film and thin-film techniques are frequently used to obtain a silver coating on a substrate that is subsequently chlorinated. In this part of the work we propose the use of a graphite/epoxy resin-based composite to electrodeposit silver onto its surface; to produce the said silver coating, we carried out potentiodynamic and potentiostatic studies of the silver electrodeposition process. The results obtained indicate a 3D silver nucleation and growth mechanism controlled by diffusion. Also it became apparent that obtaining a surface with variable roughness enables the deposition of up to a 100% more silver on the composites used. The present study has been carried out with the aim of obtaining design parameters to construct a silver coating reference solid state electrode as an alternative to thick and thin-film electrodes.



Producto de Investigación UAEH




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