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Study of redox flow battery systems for residential applications Table D.3 - Experimental vanadium ions concentration and state of charge results obtained for standard operation of VisBlue 6 system - Cycles 1 (9/11), 12 (11/11), 33 (14/11), 34 and 35 (14/11) - and state of charge standard deviation and variation coefficient. Sample Tank Step [V2+] (M) [V3+] (M) [V4+] (M) [V5+] (M) [V]total (M) SoC (%) Standard deviation (%) Variation Coef. (%) V6T1ChaCy1091116 V6T1ChaCy12111116 V6T1ChaCy33141116 V6T1ChaCy34141116 V6T1ChaCy35141116 V6T2ChaCy1091116 V6T2ChaCy12111116 V6T2ChaCy33141116 V6T2ChaCy34141116 V6T2ChaCy35141116 V6T1DisCy1091116 V6T1DisCy33141116 V6T1DisCy34141116 V6T1DisCy35141116 V6T2DisCy1091116 V6T2DisCy33141116 V6T2DisCy34141116 V6T2DisCy35141116 Negative Positive Negative Positive Cycle 1 0.839 0.511 12 0.748 0.639 33 0.556 0.830 34 0.594 0.778 Charge 35 0.504 0.807 1 0.000 0.000 12 0.000 0.000 33 0.000 0.000 34 0.000 0.000 35 0.000 0.000 1 0.238 1.102 33 0.130 1.262 34 0.124 1.258 Discharge 35 0.037 1.456 1 0.000 0.000 33 0.000 0.000 34 0.000 0.000 35 0.000 0.000 0.095 0.000 0.044 0.000 0.069 0.000 0.074 0.000 0.105 0.000 0.456 1.017 0.323 1.212 0.113 1.391 0.093 1.466 0.162 1.373 0.112 0.000 0.073 0.000 0.060 0.000 0.013 0.000 1.217 0.249 0.763 0.751 0.749 0.749 0.736 0.756 1.445 58.08 2.17 3.73 1.431 52.27 1.54 2.95 1.455 38.24 1.16 3.04 1.445 41.09 1.10 2.67 1.416 35.60 0.95 2.66 1.473 69.03 0.84 1.22 1.535 78.94 0.49 0.63 1.503 92.50 0.08 0.09 1.558 94.05 0.40 0.43 1.534 89.47 0.11 0.13 1.453 16.38 2.62 1.465 8.87 0.36 4.07 1.442 8.61 0.55 6.44 1.506 2.45 0.31 1.466* 16.97 0.22 1.29 1.515 49.61 0.63 1.27 1.497 50.00 0.19 0.38 1.492 50.67 0.40 0.79 16.00 12.56 *V5+ ions concentration of sample V6T2DisCy1091116 was determined through molar balance, assuming the total mol number (mol number of vanadium ions on negative tank and mol number of vanadium ions on positive tank) at the end of charging step at cycle 1 equal to the total mol number of vanadium ions at the end of discharging step at cycle 1, since there was not enough sample volume to titrate. Appendix D Experimental data 65PDF Image | Tubular Vanadium Air Redox‐flow battery
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