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[Used]
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1. [How to charge for a new battery]
In the use of lithium batteries, it should be noted that the battery placed for some time after you go to sleep, lower than normal capacity, the use of time has also come to shorten. However, lithium batteries can easily activated through 3-5 times the normal charge-discharge cycles the battery can be activated to restore normal capacity.
Because lithium own characteristics, its decision is almost no memory effect. Therefore the new lithium battery in the user's mobile phone during the activation process does not require a special method and apparatus.
For lithium battery "activate" problem, many say: charging time must be more than 12 hours, repeated three times, in order to activate the battery. This "three times before charging to charge more than 12 hours", obviously from the nickel battery (such as nickel cadmium and nickel metal hydride) inherited from the argument.
Therefore, this argument can be said that the beginning of miscommunication. Lithium and nickel battery charge and discharge characteristics of a very big difference, and can tell you that very clear, I looked all serious formal technical information stressed that the charge and discharge lithium batteries, especially lithium liquid ion batteries can cause great harm.
Charge and therefore the best charge in accordance with the standard time and standard methods, in particular for not more than 12 hours long charging (charger can be filled).
In addition, lithium batteries or charger after the battery is fully automatically stop charging and there is no electricity nickel charger for 10 hours so-called "trickle" charge. In other words, if your lithium batteries in full, on the white charger is also sufficient. And we can not ensure the battery charge and discharge protection circuit features and never change the quality of safety, so your battery will be long-term in a dangerous brink. This is another reason to charge against the chief.
In addition, another aspect that can not be ignored is the lithium battery is also not suitable for over-discharge, over-discharge of lithium batteries is also very unfavorable.
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2. [Normal use should start charging]
Often see this argument, because the number of charge and discharge is limited, so it should be used up as much as possible the phone battery recharge, in fact, the lithium battery life has nothing to do with this. The following can be for example a lithium-ion battery charge and discharge cycle test table, on the cycle life data are listed below:
1000次" f="Cycle life (10% DOD):> 1000 times " d="循环寿命(10%DOD):>1000次">Cycle life (10% DOD):> 1000 times
200次" f="Cycle life (100% DOD):> 200 times " d="循环寿命 (100%DOD):>200次">Cycle life (100% DOD):> 200 times
DOD is the abbreviation of the depth of discharge.
Can be seen from the table, rechargeable related to the frequency and depth of discharge, 10% DOD cycle life than 100% DOD for much longer.
Course equivalent to the actual charge relative total capacity: 10% * 1000 = 100,100% * 200 = 200, the latter complete charge and discharge is better than some, but in front of friends do say that some correction:
Under normal circumstances, you should have a reservation in accordance with the principle of charging the remaining battery run out of charge, but if your battery can not persist throughout the day, when do you expect the first two days, they should have started on time charge, of course, if you willing to back the charger to the office again a different matter.
The principle of the remaining battery run out of charge, does not want you to go to the extreme. Widespread and long, like charging a saying that "as far as possible to run out of battery power. It really just practice on nickel batteries, the purpose is to avoid the memory effect occurred, unfortunately it also spread of lithium batteries on this.
Someone once because the phone battery is too low warning appears, still do not charge to use the example that has been used in automatic shutdown. Phone charging and starting later this example, there was no reaction, and had to give customer service overhaul.
In fact, this is due to the battery due to excessive discharge voltage is too low, that it does not have the normal conditions of the charge and the boot caused.
Personally recommend phone lithium ion battery Do not charge too full do not use no electricity, the battery did not run out of power on the charge, will not damage the battery, charging less than 2-3 hours is appropriate, do not have full. But it should be about every 3 - 4 months, 1 - 2 full full power (normal charging time) and the release is finished for lithium batteries.
Unused for long periods of the lithium battery, it should be stored in a cool dry side, semi-electric status (full electric power of 70 - 80%, if the full power of your phone display 4, then 3 cells can be) the best, dangerous and the battery will be damage, full power storage and electric storage battery will be destroyed. Every 3 - 6 months, check again if you want to add electricity.
The lithium-ion battery electrolyte points can be divided into liquid lithium-ion battery and polymer lithium ion battery, polymer lithium ion battery electrolyte colloidal not flow, so there is no leakage problems, more secure.
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[Save]
Lithium primary battery self-discharge is very low, for up to 3 years and stored in refrigerated conditions, the effect will be better. Lithium primary batteries stored in cold places, without losing a good way.
The lithium-ion battery can be stored at 20 ℃ for more than six months, which is due to its very low self-discharge rate, and most of the capacity can be restored.
Lithium batteries self-discharge phenomenon, if the battery voltage is below 3.6V stored for long periods, can cause excessive battery discharge and damage the battery internal structure and reduce battery life. The long-term preservation of the lithium battery should therefore once every 3 to 6 months fill power, i.e. charged to a voltage of 3.8 ~ 3.9V (lithium optimal storage voltage of 3.85V) is appropriate, not filled.
Lithium battery application temperature range is very wide, in the northern winter outdoor, you can still use, but the capacity will be much lower, the capacity can be restored if you return to the room temperature conditions.
5 Precautions
Lithium primary batteries: lithium ion battery, it can not be charged, the charge is very dangerous. Other considerations, quite a lithium-ion battery.
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【Guidebooks】
Charging shall not exceed the maximum charging voltage, the discharge shall not be less than the minimum operating voltage.
Any time lithium-ion battery must be kept above the minimum operating voltage, low-voltage, over-discharge, self-discharge active material of lithium-ion decomposition reaction will lead to the destruction, not necessarily to restore.
Any form of the lithium-ion battery overcharge will result in battery performance has been severely damaged or even explode. The lithium-ion battery charging process is necessary to avoid battery overcharge.
Do not often deep discharge, deep charging.
Every experience, however, after about 30 charge cycles, battery detection chip will automatically perform a deep discharge, deep charge, in order to accurately assess the state of the battery.
Avoid high temperatures, ranging from shortened life span, and severe cases can lead to an explosion. If the conditions can be stored in the refrigerator. Laptop if you are using the AC, unplug the lithium-ion battery bar against computer thermogenesis.
6. Avoid freezing, but the freezing point of most lithium-ion batteries the electrolyte solution at -40 ℃, is not prone to freeze.
7 If do not have long-term, from 40% to 60% of the amount of charge stored. Power is low, likely due to self-discharge lead to over-discharge.
. Due to the natural aging lithium-ion battery when not in use will, therefore, should be purchased according to the actual requirements to purchase, not too much to acquire.
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[New development]
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Polymer lithium ion battery]
Polymer lithium ion battery developed in the liquid state lithium ion battery based on the conductive material for the positive electrode, a carbon material as the negative electrode, the electrolyte using a solid or gel state organic conductive film composition, and the aluminum composite film overwrap New generation of rechargeable lithium-ion battery.
More stable performance, it is also regarded as the upgrading of liquid lithium-ion battery products. Currently, many companies in the development of this new type of battery.
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Power lithium-ion battery]
Strictly speaking, the lithium-ion battery is the lithium-ion battery capacity over 3AH currently refers to the lithium-ion battery that can be driven by discharge to the equipment, instruments, model, vehicle, due to the use of objects of different battery capacity may reach a level of less than units AH.
The two types of sub-high-capacity and high-power lithium-ion battery. The high-capacity batteries for power tools, bicycles, scooters, miner's lamp, medical equipment;
The high-power batteries for hybrid vehicles and other applications that require high-current charging and discharging of the occasion.
Accordingly divided into different materials according to internal power lithium-ion battery liquid lithium-ion battery and polymer Li-ion power battery two, collectively referred to as the lithium-ion battery.
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High-performance lithium battery]
In order to break through the bottleneck of traditional lithium battery electrical storage and the development of a small electrical storage unit to store more power the new iron-carbon electricity storage material.
But the obvious drawback of this material had the unstable charge cycle in the battery is repeatedly charged and discharged after storage capacity decreased significantly.
To do this, switch to a new synthetic method. They use several raw material with a lithium salt is mixed and heated, thereby generating a new nanostructured materials with the carbon nanotube-containing.
This method in one fell swoop on the nano-scale materials to create a power storage unit and the conductive circuit.
This stable storage capacity of the iron-carbon material has reached twice the existing electrical storage materials and the production process is simple, low cost, its high performance can be maintained for a long time.
Dr. Maximilian Fichtner led the research, said, to fully develop the potential of this new material, the future can be 5 times the density of the lithium-ion battery storage.
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【Article is excerpted from: Baidu Encyclopedia】
【Network reprint / Just reference】
【Translation is by Goolge】
