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What is a lithium battery?

Lithium-ion battery HP 403808-001 Laptop Battery cathode material of lithium in the active compounds are usually composed of the negative is a special molecular structure of carbon. Common principal components of the cathode material LiCoO2, charging, added to the battery positive pole of the electric potential of the compound to force the release of lithium ions, embedded negative elements were arranged in the lamellar structure of the carbon. Discharge, lithium-ion from the lamellar structure of the carbon precipitation and re-cathode combination of compounds. Lithium-ion movement have a current.

Although the chemical reaction principle is very simple, but in the actual industrial production, the practical problems need to be considered much more: cathode material additives required to maintain the activity of multiple charge-discharge, anode material needed to design the molecular structure Level accommodate more lithium-ion; fill in the electrolyte between the positive and negative, in addition to maintaining stability, but also need to have good conductivity, reducing the battery internal resistance.

Although there is little lithium-ion battery HP 396600-001 Laptop Battery memory effect nickel-cadmium batteries, memory effect is the principle of crystallization, in the lithium battery is almost not produce this reaction. However, lithium-ion battery capacity after repeated charge-discharge will continue to decline, its causes are complex and diverse. Mainly positive and negative changes in the material itself, from the molecular level, the positive and negative electrodes of lithium ion on the hole to accommodate the structure will gradually collapse, clogging; from the chemical point of view, is the passive activity of positive and negative material, there's the other side to form a stable compounds. Cathode material physics will appear gradually falling off, etc., in short, can ultimately reduce the battery charging and discharging process of free movement of lithium-ion number.

Over-charging and over-discharge, lithium-ion batteries HP 371916-001 Laptop Battery will cause permanent damage to the positive and negative, from the molecular level, can be intuitively understood, excessive discharge of carbon anode will lead to excessive release of lithium ions and makes it appear lamellar structure collapsed, over- Rechargeable lithium-ion will too hard to go into negative carbon structure, and makes some lithium-ion can no longer be released. This is also why the lithium-ion batteries are usually equipped with charge and discharge control circuit of the reasons.

Not suitable for the temperature, the internal lithium-ion battery will trigger the reaction of other chemical compounds that we do not want to see, so many positive and negative electrodes for lithium ion batteries with protection of temperature between the membrane or electrolyte additives. In the case of the battery to a certain temperature, the composite membrane electrolyte membrane hole closed or degeneration, increased battery internal resistance until the circuit, the battery hp pavilion dv4000 series battery will not heat up, make sure battery temperature is normal.

And deep charge-discharge lithium-ion battery hp pavilion dv2011ea battery can increase the actual capacity of it? Experts clearly told me that this is meaningless. They even said that the so-called full charge and discharge using the first three of the "active" in their knowledge of where the two doctors, could not understand what this is necessary. But why so many people of deep charge-discharge capacity after the Battery Information in the label will change it? Will be mentioned later.

Lithium-ion batteries hp pavilion dv5000 series battery are generally charged with the management chips and control chips. Management chip in which a series of registers, there is capacity, temperature, ID, charge status, and discharge times and other values. These values are in use will gradually change. Personally, I think, the use of the "full charge for a month or so should put a" major role approach is to fix these registers should be properly value, making the battery charge control and battery nominal capacity consistent with the actual situation.

Main control chip, battery charge hp pavilion dv2037tu battery control the charging process. Lithium-ion battery charging process is divided into two phases, fast charge constant current phase (the battery indicator light yellow) and constant current decline phase (the battery indicator light flashes green. Constant current fast charge phase, the battery voltage is gradually increased The standard voltage to the battery, then under the control of the chip into the constant voltage, the voltage will not rise to ensure that no over-charge, current is increased gradually as the battery level reduced to 0, and the ultimate completion of charging.

Statistics chip power consumption by recording the discharge curve (voltage, current, time) can calculate the sample battery power, this is what we read about in the Battery Information wh. Value. The lithium-ion battery in the repeated use, the discharge curve may change, if the chip has been no opportunity to once again read out a complete discharge curve, the calculated power is not accurate. So we need to calibrate the battery charge-discharge depth of the chip.

Battery Maintenance Collection:

1. Need not ensure that every time deliberately put off the electricity and the re-charge;

2. A period of time to do a protection circuit placed under the control of deep charge battery power to amend the statistics, but it will not improve your battery's actual capacity.

3. Long without the battery, should be placed in a cool place to weaken its own internal passive reaction speed.

4. Protection is also able to monitor the battery self-discharge, long-term without the battery, should be sufficient to prevent certain amount of power into the battery self-discharge in storage in the discharge of excessive lead to excessive damage.

In fact, the battery hp pavilion dv1210us battery is not too much to take into account the use of attention, in other words is taken into account there is not much use. How many times a battery can be used, perhaps more from differences in the manufacture of the battery itself, the individual differences, rather than use. Choose mobile phone brand with good reputation, is undoubtedly the future protection of long-life battery one.