Electrochemical performance of γMnO2 prepared from the active mass of used batteries

Electrochemical performance of γMnO2 prepared from the active mass of used batteries We prepared MnO2 by electrolysis of manganese sulfate solution recovered from used batteries and commercial manganese sulfate solution. The comparative study of the two samples using electrochemical techniques in alkaline solution shows that the two samples exhibit the same behavior. From XRD, we identified and indexed both samples by γMnO2 orthorhombic structure. We estimated the proton diffusion coefficient using galvanostatic intermittent titration technique (GITT). Our calculated data are in good agreement with theoretical values for both samples. In addition TG analysis shows the same thermal profile for both samples. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Electrochemical performance of γMnO2 prepared from the active mass of used batteries

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Publisher
Springer Journals
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427215100249
Publisher site
See Article on Publisher Site

Abstract

We prepared MnO2 by electrolysis of manganese sulfate solution recovered from used batteries and commercial manganese sulfate solution. The comparative study of the two samples using electrochemical techniques in alkaline solution shows that the two samples exhibit the same behavior. From XRD, we identified and indexed both samples by γMnO2 orthorhombic structure. We estimated the proton diffusion coefficient using galvanostatic intermittent titration technique (GITT). Our calculated data are in good agreement with theoretical values for both samples. In addition TG analysis shows the same thermal profile for both samples.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Jan 31, 2016

References

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