Nonaqueous secondary cell using metal oxide electrodes
Patent 4198476 Issued on April 15, 1980. Estimated Expiration Date: 
September 8, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 8, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3655585 3873369 InventorsAssigneeApplicationNo. 05/940722 filed on 09/08/1978US Classes:429/338, The hetero ring is a cyclic carbonate (e.g., ethylene carbonate, propylene carbonate, etc.)429/218.1, Chemically specified inorganic electrochemically active material containing429/231.5Vanadium (V), chromium (Cr), niobium (Nb), molybdenum (Mo), titanium (Ti), or tungsten (W) component is active materialExaminersPrimary: Walton, Donald L.Attorney, Agent or FirmInternational ClassesH01M 10/40 (20060101)H01M 10/36 (20060101) H01M 4/48 (20060101) AbstractNonaqueous secondary cells are described utilizing electrically conductive rutile structure transition metal dioxides having a unit cell volume of at least 60 A3 and the nominal atom composition, MO2 where M is at least one member selected from the group consisting of Ru, Os, Ir, Mo, W and V, as the active positive electrode material and lithium as the active negative electrode material.Other References
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