Paper Title:
An Experimental Research on Electrochemical Impedance Spectra of New High-Specific Energy EDLC
  Abstract

The real times Electrochemical Impedance Spectroscopy (EIS) analysis which corresponds to the charge and discharge process was reported in order to evaluate the relationships between impedance and potential for new high specific energy electrochemical double-layer capacitors (EDLC). Also the Niquist plots were presented and the impedance of the EDLC was discussed in terms of complex capacitance. It was found that the high frequency impedance changed with its potential in charging or discharging process, the medium frequency impedance Rct belonged to the resistance of ions diffusion into micro pore or the inner of electrode material decreased with increasing charge voltage and had a certain capacitance of about 1F.

  Info
Periodical
Materials Science Forum (Volumes 675-677)
Edited by
Yi Tan and Dongying Ju
Pages
65-68
DOI
10.4028/www.scientific.net/MSF.675-677.65
Citation
Z. L. Liang, C. K. Cheng, J. B. Liu, G. M. Mi, "An Experimental Research on Electrochemical Impedance Spectra of New High-Specific Energy EDLC", Materials Science Forum, Vols. 675-677, pp. 65-68, 2011
Online since
February 2011
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Price
$32.00
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