Preprint Communication Version 1 This version is not peer-reviewed

Electrochemical Oscillation Phenomenon of Vanadium Ions

Version 1 : Received: 19 May 2018 / Approved: 22 May 2018 / Online: 22 May 2018 (05:22:36 CEST)

How to cite: Peng, H.; Guo, J.; Liu, Z.; Tao, C. Electrochemical Oscillation Phenomenon of Vanadium Ions. Preprints 2018, 2018050285 (doi: 10.20944/preprints201805.0285.v1). Peng, H.; Guo, J.; Liu, Z.; Tao, C. Electrochemical Oscillation Phenomenon of Vanadium Ions. Preprints 2018, 2018050285 (doi: 10.20944/preprints201805.0285.v1).

Abstract

The electrochemical oscillation was first observed in the charging process of anolyte in VRFBs. The chronopotentiometry with current ramp results could be used to judge the appearance of electrochemical oscillation. The electrochemical oscillation could be explained in terms of the competition between the growth and the chemical dissolution of V2O5 film in the H2SO4 solution. It was possible to regular the extra power consumption resulted by the electrochemical oscillation. This work might provide new focus on the charging process of the VRFBs and guide for new methods on energy saving.

Subject Areas

electrochemical oscillation; vanadium; chronopotentiometry

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