PLATINUM NANO PARTICLES SUPPORTED BY A VULCAN AND CONDUCTIVE POLYMER SUBSTRATE AS A NEW ELECTROCATALYST FOR PEM

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KAKAEI KARIM; GHARIBI HUSSEIN; Zhiani Mohammad; Abdullah Mirzaie Rasol

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Seminar Paper

Paper Information

Seminar: IRANIAN FUEL CELL SEMINAR
Year:2010 | Issue:4

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Title

PLATINUM NANO PARTICLES SUPPORTED BY A VULCAN AND CONDUCTIVE POLYMER SUBSTRATE AS A NEW ELECTROCATALYST FOR PEM

Author(s)

KAKAEI KARIM | GHARIBI HUSSEIN | Zhiani Mohammad | Abdullah Mirzaie Rasol

Keywords

OXYGEN REDUCTION REACTION

IMPEDANCE SPECTROSCOPY

CYCLIC VOLTAMMETRY

VULCAN

PEM

Abstract

A FILM OF PANI NANOWIRES (PANI (NWS)) WAS DEPOSITED ONTO THE SURFACE OF A STAINLESS STEEL ELECTRODE VIA CYCLIC VOLTAMMETRY. DURING THE POLYMERIZATION OF ANILINE (ANI), PANI( NWS) WERE DOPED WITH TRIFLUOROMETHANE SULFONIC ACID, AND THE DOPED PANI WERE UTILIZED FOR THE FABRICATION OF A VULCAN (C) PANI COMPOSITE. PT PARTICLES WERE SUBSEQUENTLY DEPOSITED BY REDUCTION ONTO THE CPANI COMPOSITE TO PRODUCE A PT/C-PANI ELECTROCATALYST. THE ELECTRODES ARE CHARACTERIZED BY CYCLIC VOLTAMMETRY, CURRENT–POTENTIAL MEASUREMENTS, ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY, AND CHRONOAMPEROMETRY. THE POLYANILINE IS FOUND TO BE HOMOGENOUSLY DISPERSED IN THE CATALYST LAYER, MAKING IT A GOOD CANDIDATE PROTON AND ELECTRON CONDUCTOR. USE OF POLYANILINE INSTEAD OF NAFION IN THE CATALYST LAYER, INCREASES THE UTILITY OF THE ELECTROCATALYST BY 18%. THE RESULTS ARE CONSISTENT WITH THE PRESENCE OF POLYANILINE AS A CONDUCTIVE POLYMER IN THE REACTION LAYER REDUCING THE POLARIZATION RESISTANCE OF THE ELECTRODE IN COMPARISON WITH THAT OF A CORRESPONDING ELECTRODE CONTAINING NAFION. THUS, THE PRESENT RESULTS INDICATE THAT PEMFCS USING POLYANILINE-CONTAINING ELECTROCATALYSTS SHOULD GIVE SUPERIOR PERFORMANCE TO THOSE USING CATALYSTS CONTAINING TRADITIONALIONOMERS.

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APA: Copy

KAKAEI, KARIM, GHARIBI, HUSSEIN, Zhiani, Mohammad, & Abdullah Mirzaie, Rasol. (2010). PLATINUM NANO PARTICLES SUPPORTED BY A VULCAN AND CONDUCTIVE POLYMER SUBSTRATE AS A NEW ELECTROCATALYST FOR PEM. IRANIAN FUEL CELL SEMINAR. SID. https://sid.ir/paper/908019/en

Vancouver: Copy

KAKAEI KARIM, GHARIBI HUSSEIN, Zhiani Mohammad, Abdullah Mirzaie Rasol. PLATINUM NANO PARTICLES SUPPORTED BY A VULCAN AND CONDUCTIVE POLYMER SUBSTRATE AS A NEW ELECTROCATALYST FOR PEM. 2010. Available from: https://sid.ir/paper/908019/en

IEEE: Copy

KARIM KAKAEI, HUSSEIN GHARIBI, Mohammad Zhiani, and Rasol Abdullah Mirzaie, “PLATINUM NANO PARTICLES SUPPORTED BY A VULCAN AND CONDUCTIVE POLYMER SUBSTRATE AS A NEW ELECTROCATALYST FOR PEM,” presented at the IRANIAN FUEL CELL SEMINAR. 2010, [Online]. Available: https://sid.ir/paper/908019/en

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