NDLI: The oxygen reduction reaction on Pt/TiO$_{ x }$N$_{ y }$-based electrocatalyst for PEM fuel cell applications

Content Provider	Springer Nature Link
Author	Wang, Wanli Savadogo, Oumarou Ma, Zi Feng
Copyright Year	2012
Abstract	Titanium oxy-nitride was developed for the first time as Pt electrocatalyst support for the ORR in PEM fuel applications. The conditions of the support preparation and the Pt/TiO$_{ x }$N$_{ y }$-based electrodes’ elaboration by chemical reduction method were determined. Comparison of the polarization curves of the carbon and the TiO$_{ x }$N$_{ y }$ supported how clearly TiO$_{ x }$N$_{ y }$ was more stable than the Vulcan XC-72R. It was found that the 40 wt% Pt/TiO$_{ x }$N$_{ y }$-based electrocatalyst is active for the ORR in acid medium, but the activity was less than that of Pt/C. The normalized electrochemical surface area degradation of Pt/TiO$_{ x }$N$_{ y }$ was significantly less than that of Pt/C. The kinetics of the ORR on Pt/TiO$_{ x }$N$_{ y }$ proceeded through a four-electron transfer process. The single-cell hydrogen/oxygen PEM fuel cell performances based on Pt/TiO$_{ x }$N$_{ y }$ cathode electrocatalyst exhibited the same range of characteristics as those based on Pt/C.
Starting Page	857
Ending Page	866
Page Count	10
File Format	PDF
ISSN	0021891X
Journal	Journal of Applied Electrochemistry
Volume Number	42
Issue Number	10
e-ISSN	15728838
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-08-08
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	New Pt electrocatalyst support Titanium oxy-nitride Electrocatalyst and support interaction Oxygen reduction reaction (ORR) PEM fuel cell High stability Physical Chemistry Industrial Chemistry/Chemical Engineering Electrochemistry
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Chemical Engineering Electrochemistry

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