What is the difference between polymer lithium-ion batteries and other lithium-ion batteries?

　　[1] The difference between polymer lithium-ion batteries and lithium-ion batteries is related to lithium-ion batteries. Lithium polymer batteries have the following characteristics: 1. There is no battery leakage problem. There are no liquid electrolytes in the battery; colloidal solids are used. 2 can be made into thin battery: capacity of 3.6v400mah, thickness can be as thin as 0.5mm. 3. Batteries can be designed in various shapes. 4. The battery may bend and deform: The maximum bending capacity of the polymer battery is about 900. 5. Can be made into a single high voltage battery: liquid electrolyte battery can only be obtained by multiple battery series high voltage polymer battery. 6. Because it has no liquid itself, it can be made into multilayer combination in one molding to achieve high voltage. 7. It will have twice the capacity of lithium-ion batteries of the same size

　　[2] Correct expression of polymer lithium ion battery life: lithium battery life is related to the number of charging cycles completed, but not directly related to the number of charging. A simple understanding, for example, is that lithium batteries use only half as much power on the first day, and then they are fully charged. If it is still the same the next day, that is, half of the charge, a total of two charges, can only be counted as one charging cycle, not two. Therefore, it may take several times to complete a cycle. With each charging cycle, the power is reduced a bit. However, the reduction is very small. After many cycles, high-quality batteries retain 80 percent of their original charge. This is why many lithium-ion battery power products are still used as usual after two or three years. Of course, lithium batteries should be replaced at the end of their useful life. The service life of lithium batteries is generally 300 to 500 charging cycles. Assuming that the power provided by complete discharge is Q, a lithium battery can provide or replenish a total of 300q-500q power over its lifetime if the power reduction after each charging cycle is not taken into account. It can be seen that if each charge is 12, you can charge 600-1000 times; If the battery is charged 13 times, it can be charged 900 to 1500 times. For example, if you charge it randomly, the number of times is indeterminate

　　[3] In short, no matter how much is charged, the total power of 300q~500q is added, which is constant. Therefore, it is also understandable that the life of a lithium-ion battery is related to the total amount of battery charge, rather than the number of charges. Deep discharge and deep charge, shallow discharge and shallow charge have little effect on the life of lithium battery. In fact, shallow discharge and shallow charge are more beneficial for lithium batteries. Deep discharge and deep charge are required only when the power module of the product is calibrated to a lithium battery. So products powered by lithium batteries don't have to stick to the process. Put convenience first. They can charge at any time without worrying about affecting their service life. If the lithium battery is used in an environment higher than the specified operating temperature, that is, higher than 35°C, the power of the battery will continue to decrease, that is, the battery will not be powered as long as usual. If you charge your device at these temperatures, you'll do more damage to the battery. Even if the battery is stored in a high temperature environment, the quality of the battery will inevitably be damaged accordingly.

　　[4] Therefore, it is a good way to extend the service life of lithium batteries by keeping them at an appropriate operating temperature as far as possible. If the lithium battery is used in a low temperature environment, that is, below 4°C, the battery life is also found to be reduced. The original lithium batteries in some phones can't even be charged at low temperatures. But don't worry too much. This is only a temporary situation. It is different from being used in high temperature environment. Once the temperature rises and the molecules in the cell are heated, it will immediately return to its previous power. To get the most out of a lithium-ion battery, we should use it frequently to keep the electrons in the lithium-ion battery flowing. If you do not use lithium batteries often, remember to complete the charging cycle of lithium batteries every month and perform power calibration, namely deep discharge and deep charge.

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