Mardi 22 décembre 2009 2 22 /12 /Déc /2009 03:42
questions of battery What are the laptop battery life when the note?
1. Carefully read the battery specification, use the recommended battery;
2. Check the electrical and battery contacts are clean and, if necessary, clean with a damp cloth, dried into the correct polarity.
3. No adult custody, do not let the child replace the dell laptop battery, small batteries such as AAA should be placed where children can not get.
4. Not to the old and new batteries or mix dell batteries of different models
5. Do not try to use heating or other method of charging a battery of renewable
6. Do not short-circuit the battery
7. Do not heat the battery or batteries thrown into the water
8. Do not demolish the battery
9. With electrical disconnect switch should be used
10. Should not be used from a long-term out of dell INSPIRON 2650 battery power apparatus
11. Batteries should be stored in a cool, dry, non-direct sunlight Department
Batteries have any effect on the environment?
Not present in almost all mercury-containing batteries, but is still heavy metal mercury batteries, rechargeable nickel-cadmium batteries, lead-acid batteries of the necessary components. If improperly disposed of, and in larger quantities, these heavy metals will have a deleterious effect on the environment . At present, there are specialized agencies of the international recovery of manganese oxide, nickel, cadmium and lead-acid dell 1G222 battery.
RBRC companies such as the non-profit organization
Nickel-metal hydride batteries and lithium-ion batteries for environmentally friendly battery, there is no environmental pollution problem.
Ambient temperature will affect battery performance?
Of all the environmental factors, the temperature on the battery charge-discharge performance of the largest in the electrode / electrolyte interface the electrochemical reaction with ambient temperature of the electrode / electrolyte interface is considered the heart of the battery. If the temperature drop in the electrode reaction rate also fell. Assuming the battery voltage to maintain constant lower discharge current, dell BAT3151L8 battery power output will fall. If the temperature rises and vice versa, that is, the dell inspiron 4000 battery, dell inspiron 4100 battery, dell inspiron 4150 battery, dell inspiron 8000 battery output power will increase. Electrolyte temperature also affects the transmission speed, temperature rise is accelerated, sending the temperature dropped, sent down, the battery charge-discharge performance will also be affected. However, the temperature is too high, more than 45oC, the battery will destroy the chemical balance, resulting in side effects.
Nickel is separated from Ni-MH dell Latitude X300 battery discharge efficiency at low temperatures there will be significantly lower (such as below-15oC), while in-20oC, the alkali solution to reach freezing point, the battery charging speed will also be greatly reduced. 0oC at low temperatures could increase the battery when the charge pressure relief valve may also open. In order to effectively charge, ambient temperature range should be between 5-30oC, the general charging efficiency with increased temperature, but when the temperature rose to more than 45oC, high temperature performance of rechargeable batteries will be the degradation of materials, the battery cycle life would be substantially shortened.
Charging what the control methods?
In order to prevent the rechargeable batteries have the need to control the end of charge, when the battery is full, there will be some special information can be used to determine whether the destination charge. Generally have the following six ways to prevent dell W0465 battery overcharge.
1. Peak voltage control: the peak by detecting the battery voltage to determine the end of charging;
2.dT/dt control: peak temperature by detecting the rate of change of battery to determine the end of charging;
3. △ T Control: battery fully charged when the temperature and the difference between the ambient temperature will reach the largest;
4 .- △ V control: When the battery is fully charged to reach a peak voltage, the voltage will drop a certain value;
5. Timing control: by setting a certain degree of charge time to control the final charge of electricity, the general set to charge into the 130% nominal capacity to control the time required;
6.TCO control: safety considerations and characteristics of the dell Inspiron 2000 battery should avoid high-temperature (high-temperature battery) charge, so when the battery temperature should be 60 ℃ to stop charging.
What is Overcharge, over-charging of battery performance impact?
Overcharge refers to the process of the battery is full by a certain electric charge, and then continue to charge the behavior of NI-CD batteries, Overcharge produce the following response:
Anode: 4OH-4e2H2O + O2
Negative: 2Cd + O22CdO
As the design capacity of negative electrode capacity than the higher level is, therefore, produce oxygen cathode of paper with the negative electrode through the diaphragm have the cadmium compound. Therefore, under normal circumstances, the internal pressure of the dell Latitude LS battery will not be significantly higher, but if the charge current is too large, or charging for too long, too late to be generated by oxygen consumption, may result in hypertension, battery deformation, leakage, and other undesirable phenomena. At the same time, its electrical properties will be significantly reduced.
What is the over-discharge, over-discharge of the battery performance impact?
End of internal storage battery put the battery voltage reaches a certain value, continue to discharge will result in over-discharge, usually under the discharge current to determine the discharge cut-off voltage. 0.2C-2C General Settings discharge 1.0V / support, 3C, such as 5C or above 10C discharge is set to 0.8V / sticks, battery cells could have been released have disastrous consequences, in particular over-current release, or have been repeatedly put a greater impact on the dell 2834T battery, in general, have the battery will discharge in hypertension is reversible negative electrode active material damage, even if only part of the resumption of charging capacity will be significantly attenuated.
Batteries, battery discharge time is short of the possible reasons for what?
1. The battery is not fully charged, if the charge was not enough time, charge and low efficiency
2. Discharge current is too large, resulting in reduced efficiency dell 4834T battery in the discharge so that the discharge time
3. Battery discharge when the ambient temperature is too low, the discharge efficiency
Short battery life may be reasons for that?
1. Charger or charging circuit and battery type does not match
2. Overcharge, over-release
3. Cell types and with different electrical requirements
Combination of different capacity with the use of the battery problems that will arise?
If the old and new batteries of different capacity or mixed use, the possibility of leakage, zero-voltage and so on. This is because the charging process, the capacity charge led to some of the differences were too rechargeable batteries, some battery is not full of electricity, the discharge capacity from time to time The battery does not put high-end power, while the capacity was too low release. so a vicious cycle, battery leakage or damage to the low (zero) voltage.
Or long-term use after the battery does not use electrical appliances can be saved with the use of it?
If you use electrical appliances do not use a longer period of time, it is advisable to take out the dell Inspiron 6400 battery and put in cold, dry place, if not to do, that is, use of electrical appliances are switched off, the system will still have a low battery current output, which would shorten the battery life.
After each use cordless telephone base should be returned to you?
Cordless telephone in accordance with the practice and the design of each machine after use should be back seat. This will activate the battery, the release added capacity and as a result of loss of self-discharge capacity. But we propose to fully discharge the battery or in order to restore the battery the initial discharge capacity and performance. Of course, if long-term non-use of phones, best cordless phone to take down, to avoid charging the dell Inspiron E1505 battery too long. In addition, because cordless phones even in the shutdown, the system is still a small current in the discharge Therefore, no long-term battery should be removed to pave the way place, use rechargeable.
What kind of batteries stored in the environment better?
According to IEC standards, the battery should be at a temperature of 20 ± 5 ℃, humidity (65 ± 20)% under the conditions of storage. In general, the higher the temperature of the battery storage capacity of the remaining lower. On the contrary, is the same. 0-10 ℃ refrigerator temperature is the best place for storage batteries. Especially for a dell Inspiron E1705 battery, while the secondary battery even if the storage After the loss of capacity, but as long as it can re-charge and discharge times to restore.
How long the battery can store?
On the theory, battery storage and energy loss total. Electrochemical battery inherent structure of the battery capacity loss is inevitable, mainly due to a result of self-discharge. Usually the size of the self-discharge in the electrolyte and cathode materials of solubility and its instability after heating (easy to self-decomposition) of the. rechargeable battery than a battery self-discharge, but also the different types of batteries, the battery self-discharge rate per month is not the same. generally 10-35 % change. a battery self-discharge obviously much lower, at room temperature does not exceed 2% per year, storage and self-discharge process is associated with increased battery internal resistance, which can cause the dell Inspiron 6000 battery (dell 6000 battery) to reduce the load force, and in the discharge current larger cases, the loss of energy is very obvious changes, the following table lists the storage conditions of normal approximation of the self-discharge:
Par batteryclass
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