9/16/2023 0 Comments Element cl and liMathematical modeling of the lithium, thionyl chloride static cell: II. Properties of LiAlCl 4–SOCl 2 solutions for Li/SOCl 2 battery. The reversible Cl 2/NaCl or Cl 2/LiCl redox in the microporous carbon affords rechargeability at the positive electrode side and the thin alkali-fluoride-doped alkali-chloride solid electrolyte interface stabilizes the negative electrode, both are critical to secondary alkali-metal/Cl 2 batteries. Here we show that with a highly microporous carbon positive electrode, a starting electrolyte composed of aluminium chloride in SOCl 2 with fluoride-based additives, and either sodium or lithium as the negative electrode, we can produce a rechargeable Na/Cl 2 or Li/Cl 2 battery operating via redox between mainly Cl 2/Cl − in the micropores of carbon and Na/Na + or Li/Li + redox on the sodium or lithium metal. This battery discharges by lithium oxidation and catholyte reduction to sulfur, sulfur dioxide and lithium chloride, is well known for its high energy density and is widely used in real-world applications however, it has not been made rechargeable since its invention 8, 9, 10, 11, 12, 13. Before the invention of secondary LIBs, the primary lithium-thionyl chloride (Li-SOCl 2) battery was developed in the 1970s using SOCl 2 as the catholyte, lithium metal as the anode and amorphous carbon as the cathode 1, 2, 3, 4, 5, 6, 7. Lithium-ion batteries (LIBs) are widely used in applications ranging from electric vehicles to wearable devices.
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