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Battery Grade Li Hydroxide by Membrane Electrodialysis

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Battery Grade Li Hydroxide by Membrane Electrodialysis ( battery-grade-li-hydroxide-by-membrane-electrodialysis )

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Membranes 2020, 10, 198 Table 3. Results obtained in each experiment with membrane electrodialysis cell. N◦Experiment 1 2 3 4 5 6 7 8 9 10 11 12 8 of 21 Current density (A·m−2 ) Cathode material Initial Anolyte Initial concentration of LiOH in the catholyte (wt %) Temperature (◦C) Membrane (NAFION) Production rate of LiOH (mol·m−2 ·h−1 ) Average cell voltage (V) Current efficiency (%) SEC (kWh/kg LiOH) 1200 2400 Nickel Nickel Anolyte Anolyte 1 1 2.30 2.30 85 85 117 117 27.9 61.3 4.03 5.01 70.00 73.27 7.25 8.25 3600 Nickel Anolyte 1 2.30 85 117 102.1 7.82 76.69 11.65 2400 Nickel Anolyte 1 2.30 75 117 47.9 5.15 51.65 10.79 2400 Stainless Steel 316 Anolyte 1 2.30 75 117 39.0 5.34 48.99 13.73 2400 Nickel Anolyte 1 2.30 85 115 61.2 5.06 73.58 8.27 2400 Stainless Steel 316 Anolyte 1 2.30 85 115 49.7 4.66 52.00 9.41 2400 Nickel Anolyte 1 5.70 85 117 59.4 4.39 72.13 7.41 2400 Nickel Anolyte 1 2.30 25 117 44.1 6.70 49.22 15.24 2400 Nickel Anolyte 1 2.30 50 117 44.1 4.83 49.32 10.96 2400 Nickel Anolyte 1 1.15 85 117 54.5 4.89 60.83 8.89 1200 Nickel Anolyte 2 1.15 85 117 27.2 3.86 60.71 7.01

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