Electrochemical Performance of MnO<sub>2</sub> Nanorods in Neutral Aqueous Electrolytes as a Cathode for Asymmetric Supercapacitors

Qu, Qunting; Zhang, Peng; Wang, Bin; Chen, Yuhui; Tian, Shu; Wu, Yuping; Holze, Rudolf

doi:10.1021/jp8113094

Public

Electrochemical Performance of MnO2 Nanorods in Neutral Aqueous Electrolytes as a Cathode for Asymmetric Supercapacitors

Published in The Journal of Physical Chemistry C • Jul 14, 2009

Authors:

Qunting Qu

Peng Zhang

Bin Wang

Abstract

The electrochemical performance of MnO 2 nanorods prepared by a precipitation reaction was investigated in 0.5 mol/L Li 2 SO 4, Na 2 SO 4, and K 2 SO 4 aqueous electrolyte solutions. Results show that at the slow scan rates, the nanorods show the largest capacitance (201 F/g) in Li 2 SO 4 electrolyt...

Subject

Supercapacitor

Electrolyte

Capacitance

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