Study on the Stability of all Vanadium Redox Flow Battery Electrolyte

Shu Di Zhang; Yu Chun Zhai

doi:10.4028/www.scientific.net/AMM.281.461

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 281Study on the Stability of all Vanadium Redox Flow...

Study on the Stability of all Vanadium Redox Flow Battery Electrolyte

Abstract:

In order to study on several additives to Vanadium battery electrolyte stability, different additives were added in the electrolyte of vanadium battery electrolyte at different temperatures, precipitation time were observed, cyclic voltammetry curves were tested and ultraviolet quantitative analysis to precipitated supernatant , The results show that after adding the different additives, at 40 °C temperature, 1.8 mol / L concentration can stably exist in the electrolyte of the vanadium battery. The added amount of sodium oxalate, ammonium oxalate is equivalent 3% of the amount V4+ solution, the vanadium battery electrolyte stability can be improved without affecting its reversible reaction, it is a preferred stabilizer.

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Periodical:

Applied Mechanics and Materials (Volume 281)

Pages:

461-464

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.281.461

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Online since:

January 2013

Authors:

Shu Di Zhang, Yu Chun Zhai

Keywords:

Additive, All Vanadium Redox Flow Battery, Electrolyte

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