Layer cathode methods of manufacturing and materials for Li-ion rechargeable batteries
Patent 7314684 Issued on January 1, 2008. Estimated Expiration Date: 
March 12, 2024. 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.
March 12, 2024. 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.InventorsAssigneeApplicationNo. 10800292 filed on 03/12/2004US Classes:429/231.95, The alkali metal is lithium429/223, Nickel component is active material429/224, Manganese component is active material429/229, Zinc component429/231.1, Alkalated transition metal chalcogenide component is active material429/231.5, Vanadium (V), chromium (Cr), niobium (Nb), molybdenum (Mo), titanium (Ti), or tungsten (W) component is active material429/231.6, Alkaline earth metal or magnesium (Mg) component is active material423/594.4, And alkali metal or alkaline earth metal containing423/594.6, And alkali metal or alkaline earth metal containing423/598, Titanium (e.g., titanate, etc.)423/599Manganese (e.g., manganate, etc.)ExaminersPrimary: Ryan, Joseph PatrickAssistant: Parsons, Thomas H. Attorney, Agent or FirmForeign Patent References
International ClassesH01M 4/58H01M 4/00 H01M 4/50 C01D 1/02 C01G 23/00 AbstractA positive electrode active material for lithium-ion rechargeable batteries of general formula Li1+xNiαMnβAγO2 and further wherein A is Mg, Zn, Al, Co, Ga, B, Zr, or Ti and 0<x<0.2, 0.1≦α≦0.5, 0.4≦β≦0.6, 0≦γ≦0.1 and a method of manufacturing the same. Such an active material is manufactured by employing either a solid state reaction method or an aqueous solution method or a sol-gel method which is followed by a rapid quenching from high temperatures into liquid nitrogen or liquid helium.Field of SearchAlkalated transition metal chalcogenide component is active materialNickel component is active material Manganese component is active material Alkaline earth metal or magnesium (Mg) component is active material Zinc component Vanadium (V), chromium (Cr), niobium (Nb), molybdenum (Mo), titanium (Ti), or tungsten (W) component is active material And alkali metal or alkaline earth metal containing And alkali metal or alkaline earth metal containing Titanium (e.g., titanate, etc.) Manganese (e.g., manganate, etc.) |
| ||||||||||||||
