STUDY ON METHANOL ELECTRO- OXIDATION VIA CARBON PASTE ELECTRODE MODIFIED WITH POLY (P-PHENYLENDIAMINE/POSS) NANO COMPOSITE

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Omrani Abdollah; Rostami Abbas Ali; Pilbala Fereshteh

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Seminar: IRANIAN CHEMISTRY CONGRESS
Year:2013 | Issue:16

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Title

STUDY ON METHANOL ELECTRO- OXIDATION VIA CARBON PASTE ELECTRODE MODIFIED WITH POLY (P-PHENYLENDIAMINE/POSS) NANO COMPOSITE

Author(s)

Omrani Abdollah | Rostami Abbas Ali | Pilbala Fereshteh | Issue Writer Certificate

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Abstract

FUEL CELLS ARE BEING CONSIDERED AS AN IMPORTANT TECHNOLOGY THAT CAN BE USED FOR VARIOUS POWER APPLICATIONS. THEY ARE DEVICES IN WHICH THE ENERGY OF A CHEMICAL REACTION IS CONVERTED DIRECTLY INTO ELECTRICITY. IN DIRECT METHANOL FUEL CELLS (DMFCS), METHANOL IS USED AS A FUEL [1].UNFORTUNATELY, COMPOUNDS SUCH AS METHANOL WITH LARGE OXIDATION OVER POTENTIAL AT ORDINARY CARBON ELECTRODES ARE NOT SUITABLE ANALYTES FOR THESE ELECTRODES. ONE PROMISING APPROACH FOR MINIMIZING OVERVOLTAGE EFFECTS IS IN CARRYING OUT THE ELECTRO CATALYTIC PROCESS AT CHEMICALLY MODIFIED ELECTRODES [2, 3].THE ELECTROCHEMICAL BEHAVIOR OF METHANOL AT THE SURFACE OF A CARBON-PASTE ELECTRODE (CPE) MODIFIED WITH POLY (P-PHENYLENDIAMIN/POSS) NANO COMPOSITE IS DESCRIBED. THE STRUCTURE OF THE NANO COMPOSITE WAS CHARACTERIZED BY FT-IR SPECTROSCOPY. CATALYTIC ACTIVITY AND STABILITY FOR THE OXIDATION OF METHANOL WERE STUDIED BY USING CYCLIC VOLTAMMETRY. THE RESULTS SHOW THAT THE NANO COMPOSITE SIGNIFICANTLY ENHANCES THE EFFECTIVE SURFACE AREA AND THE CATALYTIC ACTIVITY OF THE CPE FOR OXIDATION OF METHANOL. THE RESULTS OBTAINED CONFIRMED THAT THE DISPERSION OF THE POSS PARTICLES IS CONNECTED WITH CATALYTIC RESPONSE TO A HIGHER ACTIVITY. THE NANO TUBULAR MORPHOLOGY OF POLY (P-PHENYLENDIAMINE) HELPS IN THE EFFECTIVE DISPERSION OF POSS PARTICLES FACILITATING THE EASIER ACCESS OF METHANOL TO THE CATALYTIC SITES. THE POLY (P-PHENYLENDIAMINE) NANOTUBES MODIFIED WITH POSS NANOPARTICLES CAUSE A GREAT INCREASE IN ELECTRO ACTIVITY AND THE ELECTRO-CATALYTIC PROPERTIES OF CPE FOR METHANOL.

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APA: Copy

Omrani, Abdollah, Rostami, Abbas Ali, & Pilbala, Fereshteh. (2013). STUDY ON METHANOL ELECTRO- OXIDATION VIA CARBON PASTE ELECTRODE MODIFIED WITH POLY (P-PHENYLENDIAMINE/POSS) NANO COMPOSITE. IRANIAN CHEMISTRY CONGRESS. SID. https://sid.ir/paper/915760/en

Vancouver: Copy

Omrani Abdollah, Rostami Abbas Ali, Pilbala Fereshteh. STUDY ON METHANOL ELECTRO- OXIDATION VIA CARBON PASTE ELECTRODE MODIFIED WITH POLY (P-PHENYLENDIAMINE/POSS) NANO COMPOSITE. 2013. Available from: https://sid.ir/paper/915760/en

IEEE: Copy

Abdollah Omrani, Abbas Ali Rostami, and Fereshteh Pilbala, “STUDY ON METHANOL ELECTRO- OXIDATION VIA CARBON PASTE ELECTRODE MODIFIED WITH POLY (P-PHENYLENDIAMINE/POSS) NANO COMPOSITE,” presented at the IRANIAN CHEMISTRY CONGRESS. 2013, [Online]. Available: https://sid.ir/paper/915760/en

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