TY  - BOOK
AU  - Nguyen Conga,H.
AU  - El Abbassia,K.
AU  - Gautierb,J.L.
AU  - Chartiera,P.
TI  - Oxygen reduction on oxide/polypyrrole composite electrodes: effect of doping anions
KW  - MIXED VALENCE OXIDE
KW  - POLYPYRROLE
KW  - COMPOSITE ELECTRODE
KW  - OXYGEN ELECTROREDUCTION
KW  - DOPING ANIONS
N2  - Multilayered composite electrodes on glassy carbon, GC, having the structure GC/PPy/PPy(Ox)/PPy, with PPy the polypyrrole and Ox a mixed valence oxide of transition metals, exhibit high reactivity and stability towards the oxygen reduction reaction (orr), when the orr proceeds electrocatalytically on the oxide particles dispersed throughout the inner layer, PPy(Ox). However the nature and concentration of the doping anions, A, of PPy have a profound effect on the resulting orr currents, due to their effects on the conductivity and morphology of the PPy layers. The paper shows and discusses these effects in the case of the composite electrode with Ox = Cu1.4Mn1.6O4 and A = Cl-, ClO4-, NO3-, PF6- and SO4 2-, in acid solution (pH 2.2). Optimal conditions were encountered with Cl-
UR  - https://drive.google.com/file/d/1e9fxVoR8Xaf9OR4htDP-T2_azMj6RJfo/view?usp=drivesdk
ER  -