SYNTHESIS OF CNT/TIO2-COO-SIO2-AG COMPOSITE AS ANODE MATERIAL FOR LITHIUMION BATTERY

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MOAZEN MOHAMMAD HOSEIN; BORDBAR MARYAM; RAHMANIFAR ALI; YEGANEH FAAL ALI; KHODADADI BAHAR

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Seminar: IRANIAN SEMINAR OF ANALYTICAL CHEMISTRY
Year:2014 | Issue:20

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Title

SYNTHESIS OF CNT/TIO2-COO-SIO2-AG COMPOSITE AS ANODE MATERIAL FOR LITHIUMION BATTERY

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Abstract

AS AN ALLOTROPE OF GRAPHITE, CARBON NANOTUBES (CNTS) HAVE BEEN APPROVED TO BE A GOOD ANODE MATERIAL FOR LITHIUM BATTERIES DUE TO THEIR UNIQUE STRUCTURE (ONEDIMENSIONAL CYLINDRICAL TUBULEOF GRAPHITE SHEET), HIGH CONDUCTIVITY, LOW DENSITY, HIGH RIGIDITY AND HIGH TENSILE STRENGTH MWCNTS CAN HAVE REVERSIBLE CAPACITIES ANYWHERE FROM 300 TO 600MAH/G [1]. AG ADDITION INCREASES THE ELECTRONIC CONDUCTIVITY OF THE COMPOSITES AND ALLOWS CONVENIENT TRANSFER OF LI-ION IN THE COMPOSITE STRUCTURE [2].THE ELECTROCHEMICAL RESULTS SHOW THAT THE TIO2 NANOPARTICLES IN THE COMPOSITE RESTRAIN THE FORMATION OF SURFACE FILM AND MAKE A CONTRIBUTION TO THE OVERALL REVERSIBLE CAPACITY. SILICON THIN-FILM SHOWS VERY HIGH FIRST-CYCLE COULOMBIC EFFICIENCY (95%), EXCELLENT CYCLIC PERFORMANCE AND HIGH REVERSIBLE CAPACITY. AMONG ALL OF THE TRANSITION-METAL OXIDES STUDIED, COBALT OXIDES SHOWED A HIGH THEORETIC REVERSIBLE SPECIFIC CAPACITY [3].IN THIS WORK MULTIWALL CARBON NANOTUBES (MWCNTS) LOADED WITH TIO2/COOSIO2-AG NANOPARTICLES (CNT/TIO2-COO-SI-AG) ARE A COMPOSITE SHOWING PROMISE AS AN ANODE MATERIAL IN LITHIUM-ION BATTERIES. HERE WE PREPARE (MWCNT/TIO2-COO-SI-AG) VIA SOL GEL METHOD. EPD (ELECTROPHORETIC DEPOSITION) METHOD USED FOR DEPOSITION NANOPARTICLES ON FOIL COPPER AS ANODE. THE, STRUCTURE, MORPHOLOGY AND ELECTROCHEMICAL PERFORMANCE OF THE COMPOSITE WERE INVESTIGATED BY SEM, FT-IR, XRAY DIFFRACTION, AND A VARIETY OF ELECTROCHEMICAL TECHNIQUES SUCH AS CYCLIC WOLTAMMETRY (CV) AND CHORONO CHARGE AND DISCHARGE METHOD. THE RESULTS SHOW THAT THE TIO2-COO-SIO2-AG NANOPARTICLES WERE UNIFORMLY DEPOSITED ON THE SURFACE OF CNTS WITH SIZES OF 25-40 NM. THE MWCNT/TIO2-COO-SIO2-AG ANODE MATERIALS SHOWED SUPERIOR CYCLING STABILITY AND A HIGH REVERSIBLE CAPACITY OF 180 MAH/G AFTER 75 CYCLES.

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APA: Copy

MOAZEN, MOHAMMAD HOSEIN, BORDBAR, MARYAM, RAHMANIFAR, ALI, YEGANEH FAAL, ALI, & KHODADADI, BAHAR. (2014). SYNTHESIS OF CNT/TIO₂-COO-SIO₂-AG COMPOSITE AS ANODE MATERIAL FOR LITHIUMION BATTERY. IRANIAN SEMINAR OF ANALYTICAL CHEMISTRY. SID. https://sid.ir/paper/911519/en

Vancouver: Copy

MOAZEN MOHAMMAD HOSEIN, BORDBAR MARYAM, RAHMANIFAR ALI, YEGANEH FAAL ALI, KHODADADI BAHAR. SYNTHESIS OF CNT/TIO₂-COO-SIO₂-AG COMPOSITE AS ANODE MATERIAL FOR LITHIUMION BATTERY. 2014. Available from: https://sid.ir/paper/911519/en

IEEE: Copy

MOHAMMAD HOSEIN MOAZEN, MARYAM BORDBAR, ALI RAHMANIFAR, ALI YEGANEH FAAL, and BAHAR KHODADADI, “SYNTHESIS OF CNT/TIO₂-COO-SIO₂-AG COMPOSITE AS ANODE MATERIAL FOR LITHIUMION BATTERY,” presented at the IRANIAN SEMINAR OF ANALYTICAL CHEMISTRY. 2014, [Online]. Available: https://sid.ir/paper/911519/en

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