Method of increasing the useful life of rechargeable lithium batteries
Patent 4736150 Issued on April 5, 1988. Estimated Expiration Date: 
July 9, 2006. 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.
July 9, 2006. 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 3556849 3563800 High cycle life secondary lithium battery Patent #: 4550064 InventorAssigneeApplicationNo. 06/887142 filed on 07/09/1986US Classes:320/139, Pulsed320/129Pulsed dischargeExaminersPrimary: Salce, Patrick R.Assistant: Ault, Anita M. Attorney, Agent or FirmInternational ClassesH01M 10/44 (20060101)H01M 10/42 (20060101) H02J 7/00 (20060101) AbstractThe cycle life of rechargeable lithium batteries is significantly prolonged y applying to the battery as a charging mode a current interrupted at intervals of 1 milliseconds to 9 seconds in a frequency range of about 0.1 to about 10 Hertz. | |
