Notebook batteries and the internal structure of how a reasonable charge and discharge

The lithium-ion battery cathode material of lithium are normally composed of active compounds, the negative electrode is a special molecular structure of carbon.

Common cathode material for the major components of LiCoO2, charging, the sony pcga-bp2nx added to the polarization of the potential positive force the release of the lithium-ion compounds, embedded negative elements were arranged in layers in the structure of carbon. Discharge, lithium-ion from the lamellar structure of the carbon in precipitation, and re-cathode combination of compounds. Lithium-ion movement have had a current. Although the principle of chemical reaction is very simple, but in the actual industrial production, to be considered much more practical problems: the cathode material additives required to maintain sufficient number of release activity, the negative electrode materials at the molecular structure of the level needed to design To accommodate more lithium-ion; fill in between the electrolyte is negative, in addition to maintaining stability, but also need to have good electrical conductivity, reducing the sony pcga-bp2r internal resistance.

Although the lithium-ion batteries have a little nickel-cadmium sony pcga-bp2s memory effect, the memory effect is the crystallization of the principle, lithium batteries have virtually no reaction. However, the number of lithium-ion battery charge after the release of capacity will continue to decline, the reasons are complex and diverse. The main negative electrode material itself is a positive change from the molecular level, the anode is on the capacity of lithium-ion hole structure will gradually collapse, plug; from the chemical point of view, the negative electrode material is being passive activity, the reaction appears to form a stable of other Compounds.

Physics will appear on the cathode material off gradually, and so on, a word ultimately reduces the battery can be free in the process of charging and discharging of the lithium-ion mobile number. Over-charging and over-discharge, lithium-ion sony pcga-bp2v will be the negative result is permanent damage, from the molecular level, can be an intuitive understanding of the excessive discharge of carbon anode will lead to excessive release of lithium-ion and its film-making structure collapsed, over - Rechargeable lithium-ion would be too much of the peg into a structure where the carbon anode, which makes some of the lithium-ion can no longer be released. This is why lithium-ion batteries are usually equipped with charge-discharge control circuit.

Not suitable for the temperature, will lead to other internal lithium-ion sony pcga-bp71 to generate a chemical reaction that we do not want to see the compounds, so many of the lithium-ion batteries are being set up between the negative temperature of the protective membrane electrolyte or additives. In the battery reaches a certain temperature, the composite membrane electrolyte membrane hole closed or degeneration, increased battery internal resistance until the circuit, is no longer the battery temperature to ensure that the battery temperature normal. The deep sufficient to put lithium-ion batteries to upgrade the actual capacity of it? Experts clearly told me that this is meaningless.

They even said that the use of the so-called three times before the release of the all-sufficient "activation", in both of them, Dr. knowledge, it also could not figure what is necessary. But why put a lot of people filling the deep after sony pcga-bp4v Information marked in the capacity of this change? Will be referred to the back. Notebook computer lithium-ion sony vgp-bps3 used in general management with a chip and charge control chips. One-chip management in a series of registers, there is capacity, temperature, ID, state-of-charge, discharge, such as the number of values. These values are in use will gradually change. Personally, I think, in notebook computers for use in "a month after the full charge should take a" leading role of these amendments is to be improper, the value of the register, making the battery charge control and battery with a nominal capacity of the line

The actual situation. The main charge control chips to control the battery charging process. Lithium-ion rechargeable battery process is divided into two phases, the current phase of the fast charge (when the sony vgp-bpl2 indicator light yellow) and reduced voltage current phase (the battery indicator light flashes green. Filling phase of the fast current, battery voltage and gradually increase To the standard battery voltage, then under the control of the chip into the phase of the constant pressure, higher voltage is no longer sufficient to ensure that they are too, along with the current battery of 0 to weaken gradually increased, and the final charge.

Statistics chip power consumption records through the discharge curve (voltage, current, time) can calculate the sample sony vgp-bps5 power, this is what we read in Battery Information in the wh. Value. The lithium-ion batteries in use on many occasions, the discharge curve may change if the chip has been no opportunity to once again read out a complete discharge curve is calculated by the power that is not accurate. That is why we need to put sufficient depth to calibrate the battery chips.

Finally, my sony vgp-bps8 , sony vgp-bps9 maintenance view is: 1. Deliberately do not have to guarantee that each time a re-release END electric charge; 2. For a period of time to do an Protection of the circuit under the control of the deep to take charge of sony pcg-v505 power to amend statistics, but you will not increase the actual capacity of the battery. 3. Do not have long-term sony pcg-z505 , should be a cool place to weaken its own internal passive reaction speed. 4. The protection circuit is also able to monitor the sony pcga-bp1n self-discharge, do not have long-term battery should be sufficient to prevent a certain degree of power in the storage battery self-discharge of excessive lead to excessive discharge of the damage.

In fact, the sony pcga-bp2t does not take into account the use of too much attention, in other words is also taken into account is not much use. A battery to the use of the number of times, the difference may be more from its own battery manufacturing of individual differences, rather than using the method. Select a good word-of-mouth brand of notebook computers, is the use of long-life battery in the future of one of the security.