Cathode comprising the reaction product of bismuth, sulfur and lead or iron
AssigneeUnion Carbide Corporation
InventorsWilliam P. Evans, Violeta Z. Leger
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Abstract
A solid cathode material comprising the reaction product of metallic bismuth, metallic sulfur and metallic iron or metallic lead for use in nonaqueous electrochemical cell systems using active anodes, such as lithium, and organic electrolytes, such as electrolytes based on 3-methyl-2-oxazolidone in conjunction with a cosolvent and a selected solute.
Claims16
A nonaqueous cell comprising an active metal anode, an organic electrolyte solution and a solid cathode material comprising the reaction product of 2 moles of bismuth, 5 moles of sulfur, and 2 moles of iron or lead.
A solid cathode material for nonaqueous cells comprising the reaction product of bismuth, sulfur and iron or lead and wherein the bismuth is in excess of 1/3 of the moles of the sulfur and a portion of said bismuth is present in the metallic state.
A nonaqueous cell comprising an active metal anode, an organic electrolyte solution and a solid cathode material comprising the reaction product of bismuth, sulfur, and iron or lead and wherein the bismuth is in excess of 1/3 of the moles of the sulfur and a portion of said bismuth is present in the metallic state.
Dependencies are inferred from the claim text.