Patent ID: 6090504
Filing Date: 2000-07-18
Classification: H01M,Y02E

Abstract:
A positive electrode used for secondary battery comprising;1) a positive electrode material comprising;i) an organosulfur compound which is capable of forming sulfur-sulfur bond by electrolytic oxidation and reversibly regenerated by reductive cleavage of sulfur-sulfur bond;ii) one or more cathode active components having multiple oxidation states which undergoes oxidation when the battery is charged and reduction when the battery is discharged, wherein the active components are selected from the group consisting of tin(Sn), selenium(Se), antimony(Sb), arsenic(As), their alloys, their ionic salts and combinations thereof; andiii) one or more electrically conductive ingredients are selected from the group consisting of conductive carbon and electrically conductive polymer; and2) an electrically conductive current collector made of copper or copper alloy on which said positive electrode material is placed.