Polymer lithium battery charging voltage selection.CR2477 battery

　　Polymer lithium battery charging voltage selection

　　At present, the electrochemical window of the positive electrode materials, negative electrode materials and electrolyte used in commercial lithium batteries is basically above 4.5V, that is to say, when the battery charging voltage reaches 4.5V, the battery is still relatively stable. However, if the battery charging voltage is too low (such as less than 4.15V), it will seriously affect the amount of battery charging, such as if the battery charging voltage is controlled at 4.13V, the battery charge is about 60-80% of the battery capacity, which greatly affects the performance of the battery.

　　In fact, the charging voltage of the battery is related to the battery system, and has nothing to do with the discharge rate of the battery.

　　Use notice regulations:

　　1. Prohibit sharp parts from colliding with batteries;

　　2. It is prohibited to transport or store batteries together with metal objects;

　　3. It is forbidden to abandon, fall, impact, bend the battery, and it is forbidden to knock or step on the battery with a hammer;

　　Fourth, it is forbidden to use metal objects such as wires to directly short-circuit the positive and negative terminals of the battery;

　　(5) Prohibit the battery's positive or negative electrode from short-circuiting the aluminum layer of the cell's outer packaging aluminum-plastic film material;

　　6. It is forbidden to disassemble the battery cell under any circumstances;

　　7, prohibit the battery into the water or seawater, the battery can not be damp;

　　8. Do not use or place batteries near heat sources (such as water, heaters, etc.);

　　9, do not heat the battery or throw it into the water;

　　10. Direct welding of batteries is prohibited;

　　11. Do not charge the battery near the fire or in a very hot place;

　　12, do not put the battery in the microwave oven or high pressure container;

　　13. It is forbidden to use or place the battery at high temperatures (such as strong sunlight or very hot cars) for a long time, otherwise it will cause the battery to overheat, catch fire or function decline and reduce life;

　　14, in case of electrolyte leakage and contact with the skin or other parts, should immediately rinse with water, electrolyte contact eyes immediately rinse with water and then seek medical attention;

　　15, prohibit the use of damaged batteries, such as electrolyte leakage or electrolyte smell of the battery should be away from the fire source to avoid battery fire or explosion.

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