The following are some difference between polymer lithium battery and lithium battery, At present:
1. Appearance: as long as it is the aluminum foil bag flexible packaging packaging, will probably self-proclaimed lithium polymer battery. Polymer battery because there is no metal casing, the advantage is thin. But defect is no metal shell protection, vulnerable to external forces.
2. Security: due to the polymer battery using flexible packaging, and liquid electrolyte amount is less, if the battery problems, unfortunately, the battery will expand, make a battery plate between the joint caused by bad break. And if the situation is more serious, split seams will also release the pressure, the risk of burst into flames. And although the lithium battery of metal shell packaging will have the design of the pressure mouth, but when the pressure or temperature is too high when an explosion at a higher risk of fire.
(polymer battery can only say that on the institution design makes it less likely to burst into flames, but chemical characteristics is almost the same, really want to get on the same small a burn is pretty scary
3. The cycle life: early Ericsson polymer battery, use a few months later often see battery obvious expansion, performance will instantly fall. And along with the technical progress, the high quality of polymer battery life has increased a lot, but still inferior to the same level of lithium polymer batteries.
4. Price: in terms of production technology and cost, polymer battery is higher than lithium battery.
Polymer lithium battery life
The correct way of saying: li-ion battery life and charging cycle times, and there is no direct relationship between charging times.
Simple to understand, for example, a piece of lithium electricity on the first day only half of the battery, then charge for it. If so, the next day with half of the charge, the total charges down, it can only be counted as a charging cycle, instead of two. Often, therefore, may be charging after several times to complete a cycle. Each completed a charge cycle, power will reduce a little. Decrease rate is very small, however, the high quality of battery is a period of several weeks later, still will retain 80% of the original electricity, a lot of lithium electric power products after two or three years later still in use, it is for this reason. Li-ion battery life, of course, to eventually need replacing.
The life of the lithium electricity generally recharge from 300 ~ 500 period. If a completely discharge to provide power for Q, if you don’t consider charging each cycle after power decreases, the lithium electricity within its life can provide or replenish a total of 300 Q – 500 Q of power. From this we know that, if every time filled with 1/2, translates to 600-1000 times; If every time with a third charge, translates to 900 ~ 1500 times. By analogy, if the random charging, the number of times. In a word, no matter how to charge, added into a total of 300 q and 500 q power that is constant. So, we can understand like this: the lithium battery life and the total charge capacity of the battery, and charging times. Deep feed deep and shallow charge for the influence of the li-ion battery life.
in fact, more beneficial for li-ion battery, only if the products do calibration for lithium electricity power supply module, have a deep filling necessary. So, the use of lithium electric power supply of the products don’t have to be constrained in the process, all for first and charge at any time, don’t have to worry about life.
Polymer lithium battery
If the above specified operating temperature, namely above 35 C environment using lithium electricity, battery power will continue to reduce, the battery power supply time won’t be long as usual. If at that temperature, also want to recharge equipment, that will be more damage in the battery. Even in the hot environment of storage battery, will inevitably cause the corresponding to the quality of the battery damage. So, try to keep in good operating temperature is a good way to extend the service life of lithium-ion battery.
If in low temperature environment, namely 4 C below used in li-ion battery, also found that the use of the battery time is reduced, some mobile phone original lithium electricity even in low temperature environment not to electricity. But don’t worry too much, this is just a temporary condition, different from the use of high temperature environment, once the temperature rises, heated, the molecules in cell, restore to the previous power at once.
To take maximum effectiveness of lithium ion battery, you need to use it frequently, make electrons within the lithium electricity is always in a state of flow. If you don’t often use lithium electricity, be sure to remember recharge lithium electricity to complete a cycle, a month to do a power calibration, the deep to charge.
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