NDLI: Charge storage at the Pt/YSZ interface

Content Provider	Springer Nature Link
Author	Fóti, György Jaccoud, Arnaud Falgairette, Cyril Comninellis, Christos
Copyright Year	2007
Abstract	The electrochemical behavior of Pt/YSZ electrodes in oxygen containing atmosphere at 450 °C has been investigated by double-step chronoamperometry and programmed linear sweep cyclic voltammetry. The response of the O$_{2}$(g),Pt/YSZ system in these experiments could be separated into a time dependent and a steady state contribution, the former being dominated by pseudocapacitive processes. It is proposed that Pt–O type species were stored via different processes at three different locations in the O$_{2}$(g),Pt/YSZ system: (1) Build-up of a platinum oxide monolayer at the Pt/YSZ binary interface. (2) Formation of Pt-O species at the triple phase boundary and their spreading-out along the Pt/gas interface. (3) Growth of the platinum oxide layer from the binary Pt/YSZ interface toward the bulk of the platinum electrode.
Starting Page	175
Ending Page	179
Page Count	5
File Format	PDF
ISSN	13853449
Journal	Journal of Electroceramics
Volume Number	23
Issue Number	2-4
e-ISSN	15738663
Language	English
Publisher	Springer US
Publisher Date	2007-11-07
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Platinum electrode YSZ Charge storage Pseudocapacitance Crystallography Electrochemistry Characterization and Evaluation of Materials Ceramics, Glass, Composites, Natural Methods Optical and Electronic Materials
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Materials Chemistry Mechanics of Materials Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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