Claims
- 1. The method of treating anodes of active metals above hydrogen in the electromotive series for use in anhydrous electrochemical energy generating cells comprising the steps of immersing the active metal in an anhydrous organic electrolyte comprised of an organic solvent with an electrolyte salt dissolved therein and having a gaseous reactant selected from the group consisting of CO.sub.2, SO.sub.2, O.sub.2, NH.sub.3, and N.sub.2 saturated with respect to water vapor bubbled therethrough; forming upon the surface of said active metal, with said gaseous reactant in the presence of the electrolyte, a coating of the reaction product of said active metal with said reactants; said coating being insoluble in said cell on open circuit but removable under the slight overvoltage conditions during discharge of said cell.
- 2. The method according to claim 1, wherein the anode is lithium.
- 3. The method according to claim 1, wherein the reactant is CO.sub.2.
- 4. The method according to claim 1, wherein the electrolyte is selected from the group selected of organic solvents including tetrahydrofuran, propylene carbonate, dimethyl sulfoxide, dimethyl formamide, gamma-butyrolactone, dimethy carbonate, N-N nitrosodimethylamine, acetonitrile, dimethyl sulfite, N:N dimethyl formamide and mixtures thereof having dissolved therein electrolyte salts such as the chloride, bromide, iodide, perchlorate, hexafluorophosphate, tetrafluoroborate, hexafluoroarsenate, tetrachloroaluminate of said active metal.
- 5. The method according to claim 4, wherein the electrolyte is tetrahydrofuran having dissolved therein 1 mole of lithium perchlorate (LiClO.sub.4).
Parent Case Info
This application is a division of Ser. No. 710,753 filed Aug. 2, 1976 now U.S. Pat. No. 4,085,256 which is a continuation of Ser. No. 254,998 filed May 19, 1972 now abandoned.
US Referenced Citations (3)
Divisions (1)
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Number |
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710753 |
Aug 1976 |
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Continuations (1)
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Number |
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254998 |
May 1972 |
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