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Volume-9,Issue-3  ( Jul, 2021 )
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Paper Title :
Electrocatalytic Activity of Tin-doped Carbon Hollow Spheres

Author :Ashish Ch. Singh, Jayeeta Chattopadhyay

Article Citation :Ashish Ch. Singh ,Jayeeta Chattopadhyay , (2017 ) " Electrocatalytic Activity of Tin-doped Carbon Hollow Spheres " , International Journal of Advances in Science, Engineering and Technology(IJASEAT) , pp. 26-30, Volume-5, Issue-1, Spl. Iss-3

Abstract : Hollow carbon sphere electrocatalysts were synthesized by combining the hydrothermal and intermittent microwave heating (IMH) technique. The addition of P123 as surfactant has created huge amount of pores, resulted in the ultrahigh surface area of 1300 m 2 g -1 . The formation of rutile SnO 2 phase during tin loading over spherical structure has enhanced the electrocatalytic activity of the materials towards hydrogen and oxygen evolution reaction from water electrolysis in acidic media. The SEM and TEM images have confirmed the hollow spherical structure with the diameter of 300 – 400 nm. The XRD pattern and micrographs have shown the formation of SnO 2 phase. The nitrogen adsorption isotherm has exhibited trpical type – I of microporous materials. In the cyclic voltammograms, the peaks for hydrogen and oxygen evolution reactions are prominent in all the electrocatalysts. Among all the electrocatalysts, 30 wt% Sn/HCS – 6 has shown the best electrocatalytic activity with 30 and 50 mA.cm -2 of cathodic and anodic peak current density value, respectively. Index Terms - Hollow Carbon Spheres, Electrocatalysts, Tin, Intermittent microwave heating, Hydrogen and Oxygen production

Type : Research paper

Published : Volume-5, Issue-1, Spl. Iss-3


DOIONLINE NO - IJASEAT-IRAJ-DOIONLINE-7411   View Here

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