2014
DOI: 10.1149/ma2014-02/1/22
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Factors Affecting Spectroscopic State-of-Charge Measurement

Abstract: Vanadium redox flow batteries (VRFBs) are an attractive technology for a variety of energy storage applications.1,2 The catholyte and the anolyte in these batteries are circulated through the electrodes from reservoirs. The active species in the catholyte are VO2+ and VO2 + (i.e. VIV and VV) while the active species in the anolyte are V3+ and V2+. VRFBs have a major advantage over other flow batteries in that cross-contamination due to transport through the separating membrane is effectivel… Show more

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“…23 Active areas of research on VFBs include electrolytes, [24][25][26][27][28][29][30][31][32][33][34] electrodes [6][7][8][9] membranes, 69 cell design and modelling, 4,70,71 performance and state-of-charge (SoC) monitoring, [72][73][74][75][76][77][78][79][80] and coulombic and energy efficiencies. 81,82 The thermal stability of the positive electrolyte in the charged condition can be a limiting factor for the performance of VFBs. At the pH of typical VFB positive electrolytes, the solubility of vanadium (V) oxide, V 2 O 5 , is ∼0.1 mol dm −3 or less 83 and so VO 2…”
Section: So That Stability Is Unchangedmentioning
confidence: 99%
“…23 Active areas of research on VFBs include electrolytes, [24][25][26][27][28][29][30][31][32][33][34] electrodes [6][7][8][9] membranes, 69 cell design and modelling, 4,70,71 performance and state-of-charge (SoC) monitoring, [72][73][74][75][76][77][78][79][80] and coulombic and energy efficiencies. 81,82 The thermal stability of the positive electrolyte in the charged condition can be a limiting factor for the performance of VFBs. At the pH of typical VFB positive electrolytes, the solubility of vanadium (V) oxide, V 2 O 5 , is ∼0.1 mol dm −3 or less 83 and so VO 2…”
Section: So That Stability Is Unchangedmentioning
confidence: 99%