Supercapacitor studies of electrochemically synthesized multi-layered polyaniline on stainless steel substrate

详细信息    查看全文

• 作者：Sowmya ; Y.N. Sudhakar ; M. Selvakumar
• 刊名：Ionics
• 出版年：2016
• 出版时间：September 2016
• 年：2016
• 卷：22
• 期：9
• 页码：1729-1739
• 全文大小：2,116 KB
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Electrochemistry
  Materials Science
  Physical Chemistry
  Condensed Matter
  Renewable Energy Sources
  Electrical Power Generation and Transmission
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1862-0760
• 卷排序：22

文摘

The multi-layered electrodeposition of polyaniline on stainless steel substrate was carried out using three electrochemical techniques such as potentiodynamic (PD), potentiostatic (PS), galvanostatic (GS) and three different dopants such as sulphuric acid (SA), p-toluene sulphonic acid (PTSA) and camphor-10-sulphonic acid (CSA). The structural properties of multi-layered polymer films were analysed by SEM, AFM and FTIR. The electrochemical properties of multi-layered films were analysed by cyclic voltammetry and AC impedance spectroscopy. The results showed that the highest specific capacitance of 468 F/g was obtained for those multi-layered electrode materials developed using potentiodynamic method. As per the highest specific capacitance value, potentiodynamic method was chosen for multi-layer deposition of polyaniline. Symmetrical supercapacitors were fabricated using multi-layered polyaniline, and the supercapacitive properties were analysed by galvanostatic charge-discharge technique.