Nonaqueous battery with special separator

Details Nonaqueous battery with special separator Nonaqueous battery with special separator

H - Electricity

01

M

319/52

H01M 2/16 (2006.01) H01M 10/40 (2006.01)

Patent

CA 1306283

- 13- NONAQUEOUS BATTERY WITH SPECIAL SEPARATOR Abstract Lithium nonaqueous rechargeable batteries are described in which the separators in the cells have been exposed to a radiation grafting process to increase wettability. This increases charging and discharging rates without use of a wetting agent or addition of undesirable substances to the electrolyte system. In a preferred embodiment, a particularly advantageous electrolyte solvent system (propylene carbonate and ethylene carbonate) is used with excellent charge and discharge rates and excellent cycle life.

546913

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