Tetrabutylammonium Perchlorate electrolyte on electrochemical properties of spinel MgCo2O4 nanoparticles

International Journal of Nano Dimension

مقاله 4، دوره 11، شماره 1، فروردین 2020، صفحه 26-31   

نوع مقاله: Reasearch Paper

نویسندگان

Saranya Arumugam¹؛ Soundhirarajan Perumal²؛ Gohulkumar Muthusamy¹؛ Silambarasan Murugesan^{* 1}؛ Kandiban Ganesan¹

¹Department of Physics Vivekanandha College of Arts and Sciences for Women (Autonomous), Tiruchengode, Tamilnadu 637205, India.

²St. Joseph University, Ikishe Model Village Dimapur, Nagaland 797115, India.

چکیده

Spinel magnesium Cobaltite (MgCo₂O₄) nanoparticles with a crystalline size in the range of ∼16 nm were prepared by a simple co-precipitation technique with NaOH as a precipitant. The formation of spinel MgCo₂O₄ phase was confirmed by X-ray diffraction (XRD) pattern. Scanning electron microscope (SEM) images showed that aggregated nanoplates. The electrochemical performance of modified MgCo₂O₄ electrodes was investigated with 2M of tetrabutylammonium perchlorate (TBA) electrolyte. The cyclic voltammetry (CV) results revealed that the MgCo₂O₄ electrode reached the highest specific capacitance of 390 °F/g at a scan rate of 5mV/s. The excellent electrochemical performance was absorbed due to the electrochemical faradaic redox reactions related to the intercalation/de-intercalation of the tetrabutylammonium cation (TBA⁺) and MgCo₂O₄ lattice, and brings an additional pseudocapacitive contribution. The present work proves that the prepared magnesium cobaltite can serve as advanced electrode material for next generation organic electrolyte supercapacitors.

کلیدواژه‌ها

Electrode؛ Electrolyte؛ Magnesium Cobaltite؛ Specific Capacitance؛ Supercapacitor

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