Liquid-metal-electrode-assisted electrolysis for the production of sodium and magnesium - ScienceDirect

Fig. 1. A clean and sustainable Na and Mg metals production process. a. Schematic diagram of electrolysis-distillation (ED) and electrolysis-displacement-distillation (EDD). b. Device schematic diagram of preparing Na metal using the ED approach. c. Device schematic diagram of preparing Mg metal using the EDD approach. Fig. 2. Electrochemical measurements of the liquid Sn electrode and analyses of the cathode products. a. Theoretical reaction potentials of different electrochemical couples in molten Na2CO3-NaCl. b. Cyclic voltammetry (CV) curves of the Mo wire and Sn electrodes. c. Current efficiencies of preparing Na-Sn alloys using a graphite anode. d. Current efficiencies of preparing Na-Sn alloys using an inert Ni-based anode. e. Energy dispersive X-ray spectroscopy (EDS) and scanning electron microscopy (SEM, inset) surface analyses of the Na20Sn alloy. f. Chemical diffusion coefficient values of Na in Na-Sn alloys at 680 °C. Fig. 3. Analyses of the anode products. a. Variation in

Fig. 1. A clean and sustainable Na and Mg metals production process. a. Schematic diagram of electrolysis-distillation (ED) and electrolysis-displacement-distillation (EDD). b. Device schematic diagram of preparing Na metal using the ED approach. c. Device schematic diagram of preparing Mg metal using the EDD approach. Fig. 2. Electrochemical measurements of the liquid Sn electrode and analyses of the cathode products. a. Theoretical reaction potentials of different electrochemical couples in molten Na2CO3-NaCl. b. Cyclic voltammetry (CV) curves of the Mo wire and Sn electrodes. c. Current eff