NDLI: The role of carbon nanotubes on the capacitance of MnO$

Content Provider	Springer Nature Link
Author	Pi, Xiaoqiang Wang, Shenggao Deng, Quanrong Wang, Geming Wang, Chuanxin Cui, Lijia Chen, Rui Liu, Xingxing
Copyright Year	2016
Abstract	The electrochemical behavior of MnO$_{2}$/carbon nanotubes (CNTs) has been studied by using cyclic voltammetry, galvanostatic charge discharge measurement and electrochemical impedance spectroscopy in 0.5 M Na$_{2}$SO$_{4}$ solution. The loading mass of CNTs, the potential sweep rate as well as the frequency have been investigated in detail to make clear of their influence on capacitance, resistance, and relaxation time constant. The dependence of the voltammetric surface charge q* on different loading mass of CNTs and potential scan rate has been investigated. With the addition of CNTs, resistance and relaxation time constant of the material are reduced and the rate capability increased. In particular, CNTs is beneficial for the outer surface capacitance contribution of MnO$_{2}$. The outer surface capacitance contribution of MnO$_{2}$/CNTs (1: 1) can reach 67% total capacitance contribution.
Starting Page	1189
Ending Page	1195
Page Count	7
File Format	PDF
ISSN	10704272
Journal	Russian Journal of Applied Chemistry
Volume Number	89
Issue Number	7
e-ISSN	16083296
Language	English
Publisher	Pleiades Publishing
Publisher Date	2016-10-19
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Chemistry/Food Science Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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