EVALUATION OF DIFFERENT FUEL CELL CATALYST NANO PARTICLE LOADING ON CARBON NANOTUBE AS CATALYST LAYER SUPPORT USING HOMEMADE HALF CELL

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OJANI REZA; NAJAFI MOHSEN; RAOOF JAHAN BAKHSH

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Seminar Paper

Paper Information

Seminar: ANNUAL ELECTROCHEMISTRY SEMINAR OF IRAN
Year:2015 | Issue:11

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Title

EVALUATION OF DIFFERENT FUEL CELL CATALYST NANO PARTICLE LOADING ON CARBON NANOTUBE AS CATALYST LAYER SUPPORT USING HOMEMADE HALF CELL

Author(s)

OJANI REZA | NAJAFI MOHSEN | RAOOF JAHAN BAKHSH | Issue Writer Certificate

Keywords

PLATINUM NANO PARTICLES

POLYMER ELECTROLYTE MEMBRANE FUEL CELL

HALF-CELL

MULTI WALL CARBON NANOTUBE

Abstract

FUEL CELLS ARE CONSIDERED AS A SOURCE OF GREEN ENERGY OF THE PAST TWO DECADES. POLYMER ELECTROLYTE MEMBRANE FUEL CELLS ARE DEVICES IN WHICH, HYDROGEN AND OXYGEN ELECTROCHEMICALLY REACT AND PRODUCED WATER, ELECTRICITY AND HEAT. BASIC CELL IS FORMED OF TWO CATHODE AND ANODE ELECTRODES, WHICH SEPARATED BY AN ELECTROLYTE. ELECTRODE IS MADE OF THREE-PHASE OF CATALYST, IONOMER AND SUBSTRATE. DURING THE ELECTROCHEMICAL REACTION, THE ELECTRONS PASS THROUGH SUBSTRATE AND PROTONS PASS THROUGH THE IONOMER. THEREFORE, CATALYST PARTICLES SHOULD HAVE A GOOD ELECTRICAL CONNECTION WITH THE CARBON SUBSTRATE AND ARE IN CLOSE CONTACT WITH THE MEMBRANE. ALSO, FUEL CELL ELECTRODE IN ADDITION TO THE ELECTRICAL CONDUCTIVITY SHOULD BE POROUS ENOUGH TO ENTER REACTANT GASES AND LEAVE THE PRODUCED WATER OF OXYGEN REDUCTION. MULTI WALL CARBON NANOTUBES (MWCNTS) ARE USED TO INCREASE THE AVAILABLE SURFACE AREA OF PLATINUM, AS OXYGEN REDUCTION REACTION CATALYST. ALSO, DUE TO THE NANOTUBE PORES, THE ACCESS OF REACTANT GASES TO THE THREE-PHASE INTERFACE COULD BE EASIER. IN THIS WORK, A COMMERCIAL GAS DIFFUSION LAYER AND MULTI WALL CARBON NANOTUBE IS USED AS SUBSTRATE TO IMPROVE THE EFFICIENCY OF THE CATALYST (1).

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APA: Copy

OJANI, REZA, NAJAFI, MOHSEN, & RAOOF, JAHAN BAKHSH. (2015). EVALUATION OF DIFFERENT FUEL CELL CATALYST NANO PARTICLE LOADING ON CARBON NANOTUBE AS CATALYST LAYER SUPPORT USING HOMEMADE HALF CELL. ANNUAL ELECTROCHEMISTRY SEMINAR OF IRAN. SID. https://sid.ir/paper/919955/en

Vancouver: Copy

OJANI REZA, NAJAFI MOHSEN, RAOOF JAHAN BAKHSH. EVALUATION OF DIFFERENT FUEL CELL CATALYST NANO PARTICLE LOADING ON CARBON NANOTUBE AS CATALYST LAYER SUPPORT USING HOMEMADE HALF CELL. 2015. Available from: https://sid.ir/paper/919955/en

IEEE: Copy

REZA OJANI, MOHSEN NAJAFI, and JAHAN BAKHSH RAOOF, “EVALUATION OF DIFFERENT FUEL CELL CATALYST NANO PARTICLE LOADING ON CARBON NANOTUBE AS CATALYST LAYER SUPPORT USING HOMEMADE HALF CELL,” presented at the ANNUAL ELECTROCHEMISTRY SEMINAR OF IRAN. 2015, [Online]. Available: https://sid.ir/paper/919955/en

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