CR2477 battery.Technical characteristics of lithium titanate batteries

　　1. A method for the formation of lithium titanate batteries, characterized in that the airbag type battery injected with electrolyte is placed in a pressure forming device, and a certain pressure and temperature are applied to the battery throughout the process. At the same time, a charging and discharging program is run on the battery. After the charging and discharging program is completed, the battery is vacuum removed from the airbag and sealed.

　　2. The formation method according to claim 1, characterized in that the negative active substance of the lithium titanate battery is lithium titanate, and the positive active substance is one or more of lithium cobalt oxide, lithium manganese oxide, or lithium nickel manganese cobalt oxide.

　　3. The formation method according to claim 1 or 2, characterized in that the applied pressure is 0.05MPa-0.3MPa.

　　4. The formation method according to any one of claims 1-3, characterized in that the temperature is between 50 ° C and 80 ° C.

　　5. The formation method according to any one of claims 1-4, characterized in that the charging and discharging procedures are respectively constant current charging and discharging at a certain current.

　　6. The formation method according to any one of claims 1-5, characterized in that the charging and discharging program is: charging to 2.8V with a constant current of 0.1-1.0 times, standing for 5-10 minutes, then discharging to 1.5V with a constant current of 0.1-1.0 times, and cycling 1-3 times.

　　7. The formation method according to any one of claims 1-6, characterized in that the working voltage range of the lithium titanate battery is 1.5V-2.8V.

　　8. A lithium titanate battery, characterized in that the battery is made according to any of the formation methods described in claims 1-7.

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