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Ultrasound-assisted Fabrication of a New Nanocomposite Electrode of Samaria and Borazon for High Performance Supercapacitors

Ultrasound-assisted Fabrication of a New Nanocomposite Electrode of Samaria and Borazon for High Performance Supercapacitors

Ponnaiah Sathish Kumar, Periakaruppan Prakash, Alagar Srinivasan, Karuppiah Chelladurai, Pitchaipillai Muthukrishnan, Kasithevar Muthupandi

Ultrason Sonochem. 2020 Apr;62:104871.

PMID: 31806554

Abstract:

The fabrication of hetero structured materials with supercapacitor applications for industrial use remains a key challenge. This work reports a new supercapacitor material with high capacitance, comprising samaria and borazon (O3Sm2/BN) synthesized ultrasonically (40 ± 3 kHz, 200 W). The successful synthesis, probable interfaces between O3Sm2 and BN and thermal stability of the nanocomposite were studied by UV-Vis. and FT-IR spectroscopies, X-ray diffraction (XRD) and thermo gravimetric analyses (TGA). The morphology of nanocomposite was investigated by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Elemental mapping analysis and energy dispersive X-ray analysis (EDAX) confirmed the elements present in the material. This supercapacitor material shows a maximum discharge capacitance of 414 Fg-1 at 0.25 Ag-1 and an exceptional retention of specific capacitance (92.5%) in 5000 cycles. Such nanocomposite with better specific capacitance and charge/discharge rates makes it a right candidate as next generation supercapacitor, which certainly finds applications in various unconventional energy storage devices.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP12060581-A	Samarium(III) oxide dispersion		12060-58-1	Price

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