Charging efficiency Discharging I efficiency Discharging II efficien Overall efficiency FW Al ACW FW Al ACW FW Al ACW FW Al ACW RBS He 74.67 77.62 78.42 89.75 85.01 85.40 91.32 73.15 73.29 73.94 74.43 75.31 CO2 92.16 91.82 92.88 81.06 75.95 81.35 100.00 13.11 94.40 92.16 81.76 91.88 N2 91.19 92.08 92.19 81.28 80.18 81.55 98.92 93.03 86.26 90.88 90.70 89.68 Ar 90.51 91.21 91.25 67.29 67.39 69.54 92.96 90.06 94.12 87.96 87.83 89.21 CES He 86.20 86.70 87.09 89.64 89.87 90.00 - - - 77.27 77.92 78.39 CO2 98.58 98.59 98.28 87.33 88.23 88.26 0.73 0.00 0.00 86.81 86.99 86.74 N2 98.55 98.36 98.11 87.87 88.51 88.58 0.24 0.00 0 86.84 87.26 86.91 Ar 99.17 99.24 98.76 85.25 86.51 86.61 2.84 1.54 1.54 87.20 87.30 87.02 PPS He 62.82 64.85 61.21 82.45 80.94 81.52 7.26 8.14 7.93 56.46 57.79 54.79 CO2 98.04 98.29 99.10 77.23 76.91 77.36 12.12 12.04 12.14 87.39 87.27 90.92 N2 95.89 96.58 99.35 77.09 76.73 77.27 11.84 11.77 11.86 84.67 84.95 88.05 Ar 95.65 96.49 96.91 67.17 66.77 68.66 20.17 20.63 19.21 81.63 82.63 83.73 RSS He 82.93 82.94 82.76 83.81 82.90 83.26 6.27 6.78 6.78 74.68 74.36 74.49 CO2 98.81 98.87 99.51 78.59 78.53 78.93 10.76 10.83 10.91 88.24 88.31 92.78 N2 98.47 98.57 98.96 78.86 78.81 79.10 10.45 10.53 10.69 87.78 87.91 92.05 Ar 98.92 99.02 99.01 70.18 70.52 70.73 18.75 18.51 18.86 87.33 87.56 91.27 TIME h CHARGING Discharging I Discharging II FW Al ACW FW Al ACW FW Al ACW RBS He 0.82 0.80 0.79 9.18 8.69 8.68 0.95 1.12 1.09 CO2 3.35 3.25 3.21 8.29 7.79 8.33 1.94 1.34 1.80 N2 3.53 3.42 3.38 8.32 8.20 8.34 1.89 1.88 1.63 Ar 7.54 7.36 7.03 6.90 6.91 7.13 3.12 3.01 2.94 He 0.68 0.68 0.68 9.19 9.23 9.24 0.00 0.00 0.00 CES CO2 2.78 2.78 2.33 8.98 9.13 9.12 0.08 0.00 0.00 N2 2.93 2.93 2.4 9.06 9.14 9.13 0.03 0.00 0.00 Ar 6.45 6.45 5.38 8.78 8.93 8.93 0.29 0.16 0.16 He 0.74 0.78 0.68 8.46 8.33 8.35 0.74 0.18 0.80 PPS CO2 2.97 2.96 2.59 7.93 7.89 7.93 1.24 1.23 1.24 N2 3.13 3.12 2.73 7.94 7.93 7.95 1.22 1.21 1.22 Ar 6.75 6.74 6.75 7.05 6.98 7.16 2.11 2.15 1.99 He 0.73 0.75 0.66 8.59 8.47 8.51 0.64 0.69 0.69 RSS CO2 2.90 2.92 2.56 8.05 8.05 8.08 1.10 1.11 1.12 N2 3.05 3.07 2.69 8.07 8.07 8.09 1.07 1.08 1.09 Ar 6.68 6.92 5.85 7.22 7.25 7.23 1.92 1.90 1.90