DESIGNING AND FABRICATION OF VANADIUM REDOX FLOW BATTERY MONO-CELL USING CARBON NANOTUBE AS THE ELECTRO-CATALYST

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ZAREI JELYANI MOHAMMAD; RASHID NADIMI SAHAR

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Seminar Paper

Paper Information

Seminar: IRANIAN BIENNIAL ELECTROCHEMISTRY SEMINAR
Year:2014 | Issue:11

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Title

DESIGNING AND FABRICATION OF VANADIUM REDOX FLOW BATTERY MONO-CELL USING CARBON NANOTUBE AS THE ELECTRO-CATALYST

Author(s)

ZAREI JELYANI MOHAMMAD | RASHID NADIMI SAHAR | Issue Writer Certificate

Keywords

MONO-CELL

VANADIUM REDOX FLOW BATTERY

CARBON NANOTUBE

ENERGY STORAGE

Abstract

VANADIUM REDOX FLOW BATTERY (VRFB) IS A NEW ENERGY STORAGE SYSTEM WHICH HAS VARIOUS ADVANTAGES, SUCH AS LONG CYCLE LIFE, HIGH EFFICIENCY, FLEXIBLE DESIGN, HIGH RELIABILITY, LOW MAINTENANCE COSTS AND ENVIRONMENTAL FRIENDSHIP. THE FOLLOWING EQUATIONS SHOW THE HALF-REACTIONS OF POSITIVE AND NEGATIVE ELECTRODE IN CHARGING MODE:POSITIVE HALF CELL: VO2++H2O®VO2++2H++2E-NEGATIVE HALF CELL: V3++E-®V2+THE USE OF THIS SYSTEM ALONG WITH SOLAR POWER, WIND AND THERMAL POWER PLANTS, ETC. HAS GROWN SIGNIFICANTLY. DUE TO THE ACTUAL AND POTENTIAL BENEFITS OF THIS TECHNOLOGY, A GREAT FUTURE IS PREDICTED FOR THIS TECHNOLOGY. CURRENTLY, THE MATERIALS USED IN VRBS INCLUDE POLYMER-IMPREGNATED GRAPHITE PLATES, CONDUCTIVE CARBON-POLYMER COMPOSITES AND POLYMER-IMPREGNATED FLEXIBLE GRAPHITE. THE METHODS THAT HAVE BEEN DEVELOPED TO MODIFY THE GRAPHITE FELT MAINLY INCLUDE HEAT TREATMENT, CHEMICAL TREATMENT, ELECTROCHEMICAL OXIDATION AND DOPING BY DEPOSITING OTHER METALS ON CARBON FIBERS. THE PURPOSE OF THIS STUDY IS DESIGNING AND FABRICATION OF VANADIUM BATTERY MONO-CELL USING OF CARBON NANOTUBE (CNT) AS THE ELECTRO-CATALYST BECAUSE OF THE HIGH SURFACE AREA AND GOOD ELECTRICAL CONDUCTIVITY OF THIS MATERIAL. CARBON NANOTUBE WAS LOADED ON THE CARBON FELT ELECTRODE BY SONICATING THE ELECTRODE FLOATED IN THE CNT INK FOR APPROPRIATE TIME. RESULTS INDICATE THAT LOADING OF CARBON NANOTUBE ON CARBON FELT ELECTRODE AND THEN APPLYING HEAT-ACID TREATMENT ON CNT-MODIFIED FELT ELECTRODES CAN GREATLY IMPROVE THE PERFORMANCE OF ELECTRODE FOR USING IN VANADIUM REDOX FLOW BATTERY. ALL OF THE EFFECTIVE PARAMETERS SUCH AS CNT INK COMPOSITION, FLOATING TIME AND TIME OF THERMAL TREATMENT WERE OPTIMIZED. BY USING THE CNT-MODIFIED FELT ELECTRODE VRFB MONO-CELL WAS DESIGNED. WE USED TWO SEPARABLE PUMPS WHICH CAN PUMP POSITIVE AND NEGATIVE ELECTROLYTES WITH THE SAME ELECTROLYTE FLOW RATE OF 50 ML/MIN.BTHE EFFECTIVE AREA OF THE CELL IS DEFINED BY THE EFFECTIVE AREA OF 5 CM2 OF GRAPHITE FELT ELECTRODES WITH 3.18 MM THICKNESS. THE MEMBRANE USED IN THE CELL IS NAFION 117. MEMBRANE TREATMENT, DESIGNING AND MONO-CELL ASSEMBLING HAS BEEN DONE IN THE NANO TECHNOLOGY LABORATORY OF ISFAHAN UNIVERSITY.

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APA: Copy

ZAREI JELYANI, MOHAMMAD, & RASHID NADIMI, SAHAR. (2014). DESIGNING AND FABRICATION OF VANADIUM REDOX FLOW BATTERY MONO-CELL USING CARBON NANOTUBE AS THE ELECTRO-CATALYST. IRANIAN BIENNIAL ELECTROCHEMISTRY SEMINAR. SID. https://sid.ir/paper/912141/en

Vancouver: Copy

ZAREI JELYANI MOHAMMAD, RASHID NADIMI SAHAR. DESIGNING AND FABRICATION OF VANADIUM REDOX FLOW BATTERY MONO-CELL USING CARBON NANOTUBE AS THE ELECTRO-CATALYST. 2014. Available from: https://sid.ir/paper/912141/en

IEEE: Copy

MOHAMMAD ZAREI JELYANI, and SAHAR RASHID NADIMI, “DESIGNING AND FABRICATION OF VANADIUM REDOX FLOW BATTERY MONO-CELL USING CARBON NANOTUBE AS THE ELECTRO-CATALYST,” presented at the IRANIAN BIENNIAL ELECTROCHEMISTRY SEMINAR. 2014, [Online]. Available: https://sid.ir/paper/912141/en

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