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Study of redox flow battery systems for residential applications D.2 Validation Table D.2 – Experimental vanadium ions concentration obtained through titration with 0.10 M cerium (IV) sulfate and 0.10 M potassium permanganate. 0.000 0.783 0.854 0.000 1.638 0.917 - 0.000 0.787 0.812 0.000 1.599 0.970 - 0.000 0.722 0.927 0.000 1.649 0.778 - 0.000 0.736 0.890 0.000 1.627 0.827 - 0.209 1.140 0.141 0.000 1.490 - 12.91 0.172 1.223 0.064 0.000 1.460 - 11.79 0.000 0.000 0.101 1.399 1.500 - 93.73 0.000 0.000 0.082 1.399 1.481 - 94.45 0.000 0.000 0.760 0.719 1.479 - 53.05 0.000 0.000 0.772 0.719 1.491 - 48.22 Notes: The concentration of V5+ was experimentally determined with 0.10 M Fe2+ in 0.10 M sulfuric acid solution and the lower state of charge obtained for negative tank after cycle 34 charging step when compared to the results obtained from VisBlue 6 standard operation is a consequence of having samples stored in contact with oxygen, promoting self-discharge of the electrolyte. The positive tank samples were also analysed a second time; it was not observed a degradation of the sample with such great extension Ce (IV) (28/03) KMnO4 (29/03) [V2+](M) [V3+](M) [V4+](M) [V5+](M) [Vtotal] (M) V3+/V4+ SoC (%) [V2+](M) [V3+](M) [V4+](M) [V5+](M) [Vtotal] (M) V3+/V4+ SoC (%) Sample GfE 172702 BNM 1503814 V6T1ChaCy34141116 V6T2ChaCy34141116 V6T2DisCy34141116 Appendix D Experimental data 63PDF Image | Tubular Vanadium Air Redox‐flow battery
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