کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6604055 | 1424091 | 2018 | 35 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Correlation between the dielectric and electrochemical properties of TiO2-V2O5 nanocomposite for energy storage application
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Correlation between the dielectric and electrochemical properties of TiO2-V2O5 nanocomposite for energy storage application Correlation between the dielectric and electrochemical properties of TiO2-V2O5 nanocomposite for energy storage application](/preview/png/6604055.png)
چکیده انگلیسی
The structural and morphological analysis of TiO2-V2O5 nanocomposite has been performed using FTIR, XRD and FESEM. Temperature (300â¯K-500â¯K) and frequency dependent dielectric properties and complex impedance analysis have been carried out to investigate the effect of grain and grain boundary of the synthesized sample. The electrochemical properties like cyclic voltammetry (CV), galvanostatic charge/discharge (GCD) rate and electrochemical impedance (EIS) of the electrode material have also been investigated. The maximum specific capacitance (Cm) obtained from cyclic voltammetry (CV) and GCD measurement are 262 Fg-1 at scan rate 2â¯mVâ¯sâ1 and 251.5 Fg-1 at current density 0.09â¯mAâ¯cmâ2 respectively. The stability of the electrode material is measured up to 1000 cycles. The correlation between the dielectric properties and electrochemical properties is successfully demonstrated for the first time. Large grain boundary resistance played an important role for low specific capacitance value at room temperature.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 266, 10 March 2018, Pages 404-413
Journal: Electrochimica Acta - Volume 266, 10 March 2018, Pages 404-413
نویسندگان
Apurba Ray, Atanu Roy, Swarupananda Bhattacharjee, Srikanta Jana, Chandan Kumar Ghosh, Chittaranjan Sinha, Sachindranath Das,