Manganese Oxide Thin Films Deposited By SILAR Method for Supercapacitor Application

被引：10
|
作者：
Jadhav, P. R. [1 ]
Shinde, V. V. [1 ]
Navathe, G. J. [1 ]
Karanjkar, M. M. [2 ]
Patil, P. S. [1 ]
机构：
[1] Shivaji Univ, Dept Phys, Thin Film Mat Lab, Kolhapur 416004, Maharashtra, India
[2] Vivekanand Coll, Dept Phys, Kolhapur 416003, Maharashtra, India
来源：
PROCEEDING OF INTERNATIONAL CONFERENCE ON RECENT TRENDS IN APPLIED PHYSICS & MATERIAL SCIENCE (RAM 2013) | 2013年 / 1536卷
关键词：
Supercapacitor; MnO2;
D O I：
10.1063/1.4810409
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The amorphous MnO2 thin films were prepared by simple and inexpensive successive ionic layer adsorption and reaction (SILAR) method. The prepared thin films were characterized by means of X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM).The electrochemical study was carried out by cyclic voltammetry in 1 M Na2SO4 electrolyte. The films showed the maximum specific capacitance of 243 F.g(-1) at the scan rate of 10 mV.s(-1). It is observed that two distinct peaks occurs in cyclic voltammogram during charging and discharging which correspond to the electrochemical oxidation and reduction reaction and different oxidation states of the Mn as Mn2+ and Mn3+. Further, the increase in specific capacitance is observed with the increase in the precursor concentration.
引用
收藏
页码：679 / +
页数：2
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