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The Catalytic Effect of Polypyrrole/Pt‐Cu on Oxygen Reduction Reaction
Author(s) -
Saremi M.,
Salehisaki M.
Publication year - 2014
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.201300569
Subject(s) - catalysis , polypyrrole , electrochemistry , rotating disk electrode , polarization (electrochemistry) , oxygen reduction reaction , materials science , electrode , inorganic chemistry , electron transfer , platinum , chemical engineering , chemistry , cyclic voltammetry , photochemistry , organic chemistry , engineering
This paper studies the electrochemical properties of ppy/Pt‐Cu composite for oxygen reduction reaction (ORR) and compares it to the highly porous ppy/Pt‐Cu catalyst, which can be synthesized by galvanostatic method (ppy/Pt‐Cu(GS)). The results of the polarization, rotating disk electrode and electrochemical impedance tests are discussed to determine the electrochemical properties of the catalysts. According to the results, ppy/Pt‐Cu(GS) catalyst is more active toward ORR compared to ppy/Pt‐Cu catalyst. The rotating disk electrode data indicates four‐electron transfer mechanism for this catalyst.