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Journal of Electrochemical Science and Engineering, Vol. 7 No. 3, 2017.

Original scientific paper

https://doi.org/10.5599/jese.406

Electrochemical oscillation of vanadium ions in anolyte

Hao Peng orcid id orcid.org/0000-0001-6014-0249 ; College of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing, China
Zuohua Liu ; College of Chemistry and Chemical Engineering, Chongqing University, Chongqing, China
Changyuan Tao ; College of Chemistry and Chemical Engineering, Chongqing University, Chongqing, China

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Abstract

Periodic electrochemical oscillation of the anolyte was reported for the first time in a simulated charging process of the vanadium redox flow batteries. The electrochemical oscillation could be explained in terms of the competition between the growth and the chemical dissolution of V2O5 film. Also, the oscillation phenomenon was possible to
regular extra power consumption. The results of this paper might enable new methods to improve the charge efficiency and energy saving for vanadium redox flow batteries.

Keywords

vanadyl sulphate; oscillation phenomenon; redox flow battery

Hrčak ID:

185733

URI

https://hrcak.srce.hr/185733

Publication date:

15.8.2017.

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