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Electrolytic method for the production of lithium using a lithium-amalgam electrode
| Content Provider | United States Department of Energy Office of Scientific and Technical Information (OSTI.GOV) |
|---|---|
| Organization | Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States) |
| Abstract | A method for recovering lithium from its molten amalgam by electrolysis of the amalgam in an electrolytic cell containing as a molten electrolyte a fused-salt consisting essentially of a mixture of two or more alkali metal halides, preferably alkali metal halides selected from lithium iodide, lithium chloride, potassium iodide and potassium chloride. A particularly suitable molten electrolyte is a fused-salt consisting essentially of a mixture of at least three components obtained by modifying an eutectic mixture of LiI-KI by the addition of a minor amount of one or more alkali metal halides. The lithium-amalgam fused-salt cell may be used in an electrolytic system for recovering lithium from an aqueous solution of a lithium compound, wherein electrolysis of the aqueous solution in an aqueous cell in the presence of a mercury cathode produces a lithium amalgam. The present method is particularly useful for the regeneration of lithium from the aqueous reaction products of a lithium-water-air battery. |
| Related Links | https://www.osti.gov/biblio/863358 |
| File Format | |
| Patent Number | US 4156635 |
| Language | English |
| Publisher Date | 1979-01-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | electrolytic method production lithium lithiumamalgam electrode recovering molten amalgam electrolysis cell containing electrolyte fusedsalt consisting essentially mixture alkali metal halides preferably selected iodide chloride potassium particularly suitable components obtained modifying eutectic liiki addition minor amount aqueous solution compound presence mercury cathode produces useful regeneration reaction products lithiumwaterair battery lithium chloride metal halides particularly suitable molten electrolyte electrolytic cell consisting essentially alkali metal aqueous solution particularly useful metal halide reaction product reaction products cell containing minor amount potassium chloride aqueous reaction lithium iodide lithium compound cathode produces eutectic mixture electrolytic method cell contain |
| Content Type | Text |
| Resource Type | Patent |
