ETHANOLELECTROOXIDATION ONTO CARBON PASTE ELECTRODE MODIFIED WITH NICKEL DECORATED NANOPOROUS NICKEL PHOSPHATE MOLECULAR SIEVE

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GHOLAMI ESFIDVAJANI MOJTABA; HASSANINEJAD DARZI SEYED KARIM; SHAJIE FARSHAD

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Seminar Paper

Paper Information

Seminar: ANNUAL ELECTROCHEMISTRY SEMINAR OF IRAN
Year:2014 | Issue:10

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Title

ETHANOLELECTROOXIDATION ONTO CARBON PASTE ELECTRODE MODIFIED WITH NICKEL DECORATED NANOPOROUS NICKEL PHOSPHATE MOLECULAR SIEVE

Author(s)

GHOLAMI ESFIDVAJANI MOJTABA | HASSANINEJAD DARZI SEYED KARIM | SHAJIE FARSHAD | Issue Writer Certificate

Keywords

NANOPOROUS NICKEL PHOSPHATE

MODIFIED CPE

ETHANOLELECTROOXIDATION

FUEL CELL

ALKALINE MEDIUM

Abstract

THE VSB-5 NANORODS WERE SYNTHESIZED BY CONVENTIONAL HEATING FOR 72 H IN THE PRESENCE OFTRIETHYLAMINE AS TEMPLATE.THEN, A NOVEL, CHEAP AND EFFICIENT CATALYST FOR ETHANOL ELECTROOXIDATION WAS DEVELOPED BY DECORATING NI2+IONS ON THE SURFACE OF MODIFIED CARBON PASTE ELECTRODE (CPE) WITH VSB-5 MOLECULAR SIEVES. THE ELECTROCHEMICAL ACTIVE SURFACE AREA OF THE MODIFIED ELECTRODE (NI-VSB-5/CPE) WAS CALCULATED BY CYCLIC VOLTAMMETRY (CV). ALSO, THE ELECTROCHEMICAL BEHAVIOR OF THE NI-VSB-5/CPE ELECTRODE TOWARDS THE ETHANOL OXIDATION WAS EVALUATED BY CV AS WELL AS CHRONOAMPEROMETRY METHODS. A SENSITIVE OXIDATION PEAK WAS OBSERVED AT 0.55 V IN 0.1 M NAOH SOLUTION FOR ELECTROCATALYTICOXIDATION OF ETHANOL WITH ECʹ MECHANISM. IT HAS BEEN OBSERVED THAT VSB-5 AT THE SURFACE OF CPE CAN IMPROVE CATALYTIC EFFICIENCY OF THE DISPERSED NICKEL IONS TOWARD OXIDATION OF ETHANOL. THE VALUES OF ELECTRON TRANSFER COEFFICIENT, THE MEAN VALUE OF CATALYTIC RATE CONSTANT AND DIFFUSION COEFFICIENT FOR ETHANOL AND REDOX SITES WERE OBTAINED TO BE 0.657, 1.80×105 CM3 MOL-1 S-1 AND 3.62×10-4 CM2 S-1, RESPECTIVELY.

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APA: Copy

GHOLAMI ESFIDVAJANI, MOJTABA, HASSANINEJAD DARZI, SEYED KARIM, & SHAJIE, FARSHAD. (2014). ETHANOLELECTROOXIDATION ONTO CARBON PASTE ELECTRODE MODIFIED WITH NICKEL DECORATED NANOPOROUS NICKEL PHOSPHATE MOLECULAR SIEVE. ANNUAL ELECTROCHEMISTRY SEMINAR OF IRAN. SID. https://sid.ir/paper/910098/en

Vancouver: Copy

GHOLAMI ESFIDVAJANI MOJTABA, HASSANINEJAD DARZI SEYED KARIM, SHAJIE FARSHAD. ETHANOLELECTROOXIDATION ONTO CARBON PASTE ELECTRODE MODIFIED WITH NICKEL DECORATED NANOPOROUS NICKEL PHOSPHATE MOLECULAR SIEVE. 2014. Available from: https://sid.ir/paper/910098/en

IEEE: Copy

MOJTABA GHOLAMI ESFIDVAJANI, SEYED KARIM HASSANINEJAD DARZI, and FARSHAD SHAJIE, “ETHANOLELECTROOXIDATION ONTO CARBON PASTE ELECTRODE MODIFIED WITH NICKEL DECORATED NANOPOROUS NICKEL PHOSPHATE MOLECULAR SIEVE,” presented at the ANNUAL ELECTROCHEMISTRY SEMINAR OF IRAN. 2014, [Online]. Available: https://sid.ir/paper/910098/en

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