Union Carbide Corporation

Marvin L Kronenberg

George E Blomgren

The invention relates to the use in a non-aqueous electrochemical cell of a conductive electrolyte comprising an ionizing solute dissolved in a mixture of a selected halide of an element of Group IV to Group VI of the Periodic Table and a cosolvent. The selected halide serves the dual function of acting as a solvent for the solute and as the active cathode depolarizer of the cell.

Non-aqueous electrochemical cell

The invention relates to the use in a non-aqueous electrochemical cell of an electrolyte comprising a solute dissolved in a solvent which is an oxyhalide of an element of Group V or Group VI of the Periodic Table. The oxyhalide solvent serves the dual function of acting as the solvent for the electrolyte salt and as the active cathode depolarizer of the cell.

The invention relates to nonaqueous cells employing an anode, a cathode and an electrolyte wherein the cathode comprises an active cathode material, carbon and/or graphite, and an amount of a metallic reducing agent to reduce any materials in the cell which are more cathodic (positive) than the active cathode material with respect to the cell's working anode.

Metallic reducing additives for solid cathodes for use in nonaqueous

A non-aqueous lead oxide cell having a negative electrode, such as lithium, a non-aqueous electrolyte and a positive lead oxide electrode, said lead oxide electrode comprising a substantially uniform mixture of lead dioxide particles and lead monoxide and/or lead particles.

Non-aqueous cell having as cathode a mixture of lead dioxide and lead

A non-aqueous lead oxide cell having a negative electrode, such as lithium, a non-aqueous electrolyte and a positive lead oxide electrode, said lead oxide electrode comprising lead dioxide particles each having an outer layer of lead monoxide.

Non-aqueous cell having a cathode of lead monoxide-coated lead dioxide

A non-aqueous lead oxide cell having a negative electrode, such as lithium, a non-aqueous electrolyte, a positive electrode comprising lead dioxide housed in a positive terminal conductive container, and wherein a layer of lead and/or lead monoxide is interposed substantially between the positive lead dioxide electrode and the inner surface of the positive terminal conductive container so as to achieve a substantially unipotential discharge for the cell over its useful life.

Non-aqueous lead dioxide cell having a unipotential discharge voltage

A nonaqueous cell utilizing a highly active metal anode, such as lithium, a solid cathode selected from the group consisting of FeS.sub.2, Co.sub.3 O.sub.4, V.sub.2 O.sub.5, Pb.sub.3 O.sub.4, In.sub.2 S.sub.3 and CoS.sub.2, and a liquid organic electrolyte consisting essentially of 3-methyl-2-oxazolidone in combination with a low viscosity cosolvent, such as dioxolane, and a metal salt selected, for example, from the group consisting of MSCN, MCF.sub.3 SO.sub.3, MBF.sub.4, MC10.sub.4 and MM'F.sub.6 wherein M is lithium, sodium or potassium and M' is phosphorus, arsenic or antimony.

Nonaqueous cell utilizing a 3Me20x-based electrolyte

A nonaqueous cell utilizing a highly active metal anode, such as lithium, a solid CuO cathode and a liquid organic electrolyte consisting essentially of 3-methyl-2-oxazolidone in combination with a low viscosity cosolvent, such as tetrahydrofuran, and a metal salt selected, for example, from the group consisting of MSCN, MCF.sub.3 SO.sub.3, MBF.sub.4, MClO.sub.4 and MM'F.sub.6 wherein M is lithium, sodium or potassium and M' is phosphorus, arsenic or antimony.

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Cleveland Heights, OH, United States of America

Marvin L Kronenberg