Abstract: A high temperature rechargeable solid state electrochemical cell is provi including an ion conducting solid having the formula Li.sub.3.6 Ge.sub.0.6 V.sub.0.4 O.sub.4 as the electrolyte.

Abstract: An ionically conductive bilayer solid electrolyte is provided for use in an lectrochemical cell wherein the electrolyte layers are adjoining and wherein one of the electrolyte layers is in contact with the anode of the cell and the adjoining electrolyte layer is in contact with the cathode of the cell.

Abstract: A flexible solid electrolyte is made for use in solid state cells by a med including the steps of:(A) mixing about 80 to 95 weight percent of powdered solid electrolyte with about 5 to 20 weight percent of powdered Teflon,(B) milling the mixture until the Teflon particles thoroughly bind the solid electrolyte powder into a stiff coherent dough,(C) pressing the milled mixture to a thickness of about 1mm, and(D) forming a solid state cell by placing the electrolyte sheet between two electrodes and further reducing the cell thickness to where the electrolyte layer is less than 0.1mm thick.

Abstract: A solid state cell is provided including a sheet of flexible solid electrte less than 0.1 mm in thickness between two electrodes wherein the flexible solid electrolyte is obtained from a mixture of about 80 to 95 weight percent solid electrolyte with about 5 to 20 weight percent of powdered Teflon.

Abstract: A rechargeable solid state lithium ion electromechemical system is provided hat can be operated at moderately high temperatures of about 100.degree. C. and that uses a lithiated transition metal oxide cathode, a lithium intercalating transition metal sulfide anode, and a lithium ionically conductive solid electrolyte.

Abstract: A teflon-bonded thin, flexible .beta."-Al.sub.2 O.sub.3 solid electrolyte parator is provided for use in a high temperature electrochemical cell including a sodium-lead alloy anode (Na.sub.0.9 Pb.sub.0.1) and an FeS.sub.2 cathode.

Abstract: Cathode or anode electrodes are prepared for high temperature, rechargeable olten salt batteries using 80 to 90 weight percent of their respective active powdered components mixed with 10 to 20 weight percent powdered electrolyte salt. The powdered electrode mixture is then spread evenly onto an electrical current collector sheet or foil. The current collector containing the electrode mixture is then heated under a dry inert gas atmosphere to a temperature at or near the melting point of the electrolyte salt.

Abstract: A high temperature molten salt electrochemical cell including an electrode tack assembly sealed in a containment vessel is provided for use in testing experimental high temperature molten salt battery chemistries in which the electrode stack assembly uses a spring loaded design that maintains electrical contact between current collectors and electrodes by compensating for the electrode contraction and expansions observed during the heating and cooling cycles.

Abstract: A high temperature molten salt bipolar stacked module battery is provided which electrolyte creepage between cells is shielded and compression maintained on the cell stacks during thermal cycling. In addition, the modular design of the individual cells lends this construction to high voltage battery make-up.

Abstract: A high temperature molten salt thermal cell is provided where the active hodic materials are ternary metal sulfides as for example, BaNiS.sub.2, BaFeS.sub.2, and BaCoS.sub.2.

Abstract: An improved high temperature rechargeable molten salt battery is obtained the use of alkaline earth metal sulfides as cathode additives in transition metal sulfide cathodes in these batteries.

Abstract: A high temperature rechargeable molten salt cell is provided using a lith-aluminum (48 atomic percent Li) alloy as the anode, a eutectic mixture of lithium chloride (59 mole percent) and potassium chloride (41 mole percent) with a melting point of 352.degree. C. as the electrolyte and barium nickel sulfide (BaNiS.sub.2) as the cathode active material.

Abstract: A new rechargeable lithium battery system is provided that contains no melic lithium; the system including a transition metal sulfide anode, a lithiated transition metal oxide cathode, and a solution of a lithium salt in an aprotic organic solvent as the electrolte.

Abstract: The use of cobalt oxide (Co.sub.3 O.sub.4) in a thermal cell as the cathode aterial results in a thermal cell with higher open circuit voltage than the present used iron disulfide cathodes.

Abstract: A cathode is made for a rechargeable Li/Li.sub.x CoO.sub.2 cell using an aqueous cathode preparation. The Li/LiAsF.sub.6 -MA/Li.sub.x CoO.sub.2 system can deliver between 230-170 Wh/kg at current densities of 2-10mA/cm.sup.2.

Abstract: An electrochemical cell is provided including lithium as the anode, non-stoichiometric V.sub.6 O.sub.13 as the cathode, and a solution of a lithium salt in a mixed organic solvent of a non-aqueous aprotic solvent and a dialkyl carbonate as the electrolyte.

Abstract: 1 to 2 mol dm.sup.-3 LiAsF.sub.6 in dimethylcarbonate or 1 to 2 mol dm.su3 LiAsF.sub.6 in dimethylcarbonate mixtures with methyl formate in which the mass percent of the dimethylcarbonate compound can vary from 25 mass percent to 100 mass percent is used as the electrolyte in a lithium rechargeable electrochemical cell.The cell also includes lithium as the anode and a lithium intercalating compound as the cathode.

Abstract: A cathode suitable for use in a lithium electrochemical cell is made from a ixture of active cathode material, carbon, and non fluorinated linear chain polymer by a method including the steps of(A) dissolving the non fluorinated linear chain polymer in a non polar solvent at a temperature near the melting point of the polymer,(B) adding the active cathode material and carbon and evaporating the solvent, and(C) grinding the dried mixture into a fine powder and making it into a cathode by pressing the powdered mixture onto both sides of an expanded metal screen and then cutting to the desired dimensions.The cathode can be combined with lithium as the anode and a solution of 0.8 mol dm.sup.-3 LiAlCl.sub.4 in a mixed organic solvent of 24 mass percent 4-butyrolactone in 1, 2 dimethoxyethane as the electrolyte to provide a mechanically stable, relatively inexpensive lithium electrochemical cell having good cell performance.

Abstract: A cathode suitable for use in a lithium electrochemical cell is made from a ixture of active cathode material, carbon, and non fluorinated linear chain polymer by a method including the steps of(A) dissolving the non fluorinated linear chain polymer in a non polar solvent at a temperature near the melting point of the polymer,(B) adding the active cathode material and carbon and evaporating the solvent, and(C) grinding the dried mixture into a fine powder and making it into a cathode by pressing the powdered mixture onto both sides of an expanded metal screen and then cutting to the desired dimensions.The cathode can be combined with lithium as the anode and a solution of 0.8 mol dm.sup.-3 LiAlCl.sub.4 in a mixed organic solvent of 24 mass percent 4-butyrolactone in 1,2 dimethoxyethane as the electrolyte to provide a mechanically stable, relatively inexpensive lithium electrochemical cell having good cell performance.

Abstract: An electrochemical cell comprising lithium as the anode, the lithium intelating compound Li.sub.x CoO.sub.2 (O<X<1) as the cathode, and a solution of a lithium salt in a mixed organic solvent of methylformate and diethylcarbonate as the electrolyte.