VGP-BPS10

Mobile phone battery repair method

Posted by admin on January 12, 2010
battery knowledge / No Comments

When your phone time to use shorter VGP-BPS10 VGP-BPS8 battery (memory effects or aging), you need a battery to replace it?

 

The next time you encounter this situation when you save your money, you say a very effective way to test:

 

1, the battery in the newspaper before being placed in plastic bags, wrap well into the freezer for three days (the logs can absorb excess moisture)

 

2, three days after the transfer of two days at room temperature

 

3, two days after charging the battery, mobile phone charge saturation test wrap yellow (estimated to save 80% -90%).

 

The information revealed by the well-known manufacturers’ engineers’ battery, according to a friend pointed out that the effects tested to be effective. Like any effect, anyway, the 346970-001 367759-001 battery faster useless, but everyone has a refrigerator, ladies and gentlemen may want to try it!

 

I try to explain! This method is not my own creation, is the professional way! May we wish to try!

 

Battery Internal battery fluid, because the battery aging, because the liquid solidified lead battery. The solution is to put the battery low freezing temperature, so that the liquid solidified battery, let it melt naturally, drawing excess water, then fully charge the battery fluid to all assets, fair another new.

 

Really very helpful in giving you a reference!

 

A popular recipe for lithium current fixed telephone line-testing methods of ion battery!

 

Cell phones are now used in our daily life, electronic products used most frequently, and walk in the street, almost irrespective of young and old, rich or poor, nearly one or more labor, as I remember when he no longer get those bags of money a “Big Brother” so that those areas. But tell the truth, now that the popularity of mobile phones, and indeed the link is to make life more comfortable. Dell Inspiron B120 battery  Dell Inspiron B130 battery

 

I started using mobile phones to now she has replaced all four, and an early monochrome screen Motorola Samsung Anycall, was recently replaced by another Nokia N95, more functionality and use of cell phones have become increasingly frequent Consequently, the cell phone battery is a test, and take the N95 I use the example of this bar, every day is an hour or a normal voice calls, send text messages, then the time is probably ten to twenty minutes, of course, songs and games, is almost an hour, it probably also be able to adhere to three days or less.

 

A few days ago the battery in the search for information online and found a lot about the restoration of the position of the old battery, just wanted to come to his house and several of these batteries are old machines at rest, it introduced a better test, but also a look at these methods in the end is not feasible. A1078 A1175

 

The first is the freezing method: close to limit the use of mobile phone batteries in the refrigerator, freezer for three days, a chance to continue to use, battery life longer than the pre-frozen! This is the latest rumor on the Internet fix old battery, I will introduce the first of this surgery !

 

Motorola to first find the battery, this machine is still seven years ago, V70, a rotating screen, now he can give a child a toy, and inside the battery is original, and End CECT load placed over two days is probably no electricity, and remove the battery with two layers of plastic wrap and two layers of paper bag, which is hygroscopic moisture, Fang Bingxiang cold freezer for three days, then remove the packaging and then dried for two days, charging the phone that the mobile phone of the third day without electricity only at night, it seems that this approach is really having some effect.

 

This approach to online professional explanation is as follows: mobile phone battery loading and unloading process is a process in the meantime, the battery in the yin and yang with the other to pay the amount received. The reason the battery will be more and more without the use because the normal room temperature, the electron kinetic energy in the relatively large, and the battery is in an active state, where the leak is relatively frequent. But the PA3399U-1BAS PA3399U-1BRS battery in the mid to low temperature, the surface of the lithium electrolyte membrane and the micro-structure, and their interfaces are changed significantly, leading to cells in assets temporarily to reduce the current drain, if the charging, cell phone to be switched on time will increase.

 

For this interpretation, I am not a physics does not know the right end wrong with that.

 

The second argument, using an eraser wipe the batteries of mobile telephones and cellular telephone contact with the surface of contact with the metal, allowing the use of the situation of mobile batteries is a great good.

 

This principle is still relatively easy to understand will be a long time to surface oxidation of metals, a natural touch to close to the battery also used for short time. I use my mobile phone batteries Samsung to do experiments, do not use an eraser, and found sandpaper polishing, folded in half, using the tips of cell phone battery touch of polished brass few films, then wipe clean sheet again fully discharge and then charge the battery than the original multi-purpose room of the day, it seems that there are still effects.

 

A third argument is given near the demolition discharge the battery completely, then recharge the battery is activated. BATBL50L6 LCBTP03003

 

This does not seem many people have tried, I happen to have a battery backup is an old Samsung mobile phone battery may be used improperly, the base will be less than one day is left to rest in a drawer are more than two years. I was looking for a two-wire, connected to a small 1.5 volt bulb, and then received a wire at both ends and then the battery positive and negative, light bulbs reluctantly gave a little light, lasted less than half an hour, the bulbs will be brighter, rechargeable, but also more specifically in charge for two hours on the phone, this time to maintain more than one day before the black cell phone, and if this kind of method is still capable of quite useful.

 

Three kinds of methods, 11 had tried the first two are relatively easy, my friends, you can try in a test, but that said, the rich friends might think this is very troublesome patch, think about mobile phones is relatively commodity is relatively expensive and a thousand dollars to buy a cell phone, buy 12 saving high-performance battery-May be more realistic, original electric Xiangui, then the power of the brand is actually quite made a good choice. I am now in addition to original Nokia batteries purchased a block away from the Hong-yi, and with them I felt the original sounds like there is not much difference. Two batteries in hand, met a traveler also no longer need to worry about what Shoujimeidian. FRU 92P1141 40Y6799

 

Well, writing a lot, but his conclusion that the experiments, we also tried if these measures are welcome to come to Gent, the results of the experiment, or have a better way, they might as well share it!

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Hydrogen fuel battery vehicles: a second front in its own brand

Posted by admin on January 11, 2010
battery knowledge / No Comments

“Our R & D vehicle prototype fuel battery hydrogen level, the higher performance can be said that the international advanced level, compared to a leader in the international level, there is a big difference.” Professor Wang Binggang that “it is a more objective evaluation.”Wang is a national clean vehicles Coordinating Action Group leader of the group of experts, the 863 Program,” energy saving and new VGP-BPS9/B VGP-BPS10 energy vehicles, “the office of leading experts in projects of ’scale.

 

“Energy saving and new energy vehicles” office of major project is the Ministry of Science and Hi-Tech Division (863 modern communication technology, office) under the jurisdiction of bodies of project management.

 

Ultra-billion yuan from the fund of the State Development to help stimulate the domestic manufacturers are scrambling to join the ranks of the hydrogen fuel battery research vehicle.

 

In addition to SAIC, Chery, etc. in the “Tenth Five-time” Year of the companies involved in research and development, Foton join too. In addition to SAIC’s field of cars to hydrogen fuel battery in the passenger area.

 

The main board short – life of hydrogen fuel batteries

 

In hydrogen fuel battery R & D car to Roewe 750 based on the “car fuel battery Shanghai” brand in China has developed the fourth generation of cars to hydrogen fuel battery, China represents the most advanced level. Of its supply system of fuel PB991A PB992A batteries in hydrogen fuel battery Shanghai Vehicle Power System Co., Ltd. Development.

 

And third vehicle energy production of batteries “Beyond the Three” from “Shanghai” brand fuel battery sedan vehicle dynamic performance, a more powerful and effective. Acceleration 0-100 km to 19 seconds for 15 seconds, a time of hydrogen continues to extend the charging mileage 300 km from 230 km above the maximum speed of 120 km to 150 km. In addition, it is a higher degree of the integration, vehicle stability, reliability has also been enhanced.

 

Similarly, the fourth generation of power systems equipped with Shanghai Volkswagen Passat Passat, Chery Oriental Son has a top speed of up to 150 km, 0-100km acceleration time of less than 15 seconds, filling a gas Hydrogen can travel 300 km, the performance does not differ much with the international advanced level.

 

In addition, Dongfeng Automobile also entered the field of fuel battery vehicles to hydrogen. In August 2004, Dongfeng Motor and Wuhan University of Technology, in collaboration with the Elysee as a platform, a car developed hydrogen fuel D5318 HD438 battery – “Chutian One.” It is equipped with a hydrogen fuel battery of 25 kW as the engine, the maximum speed of 103 kilometers, but a shorter distance endurance.

 

Hydrogen bus fuel battery research and development in early 2002, the Tsinghua University as a unit of lead, with Dongfeng Motor Corporation, Beijing Bus Plant and five other units of the whole group, the bear National “Tenth-Five” 863 Year Plan for Fuel Battery Bus Project City search. Tsinghua University has also made clear to China Beijing Tong Technology Development Co., Ltd as an industry based carrier.

 

Currently, the most recent Taiwan bus fuel battery with hydrogen to reach a maximum speed of 90 km / h, a maximum mileage of hydrogenation of 300 km, engine power 100 kW . This is the advanced international level, there is a significant gap. IBM ThinkPad T40 battery  IBM ThinkPad T41 battery

 

November 15, 2007, marketing projects in China bus demonstration fuel battery to begin the second phase of bidding to provide Shanghai 3 ~ 6 working condition for the Shanghai Urban Transit bus fuel battery one of two pilot years.

 

Relevant experts suggest that China has developed a bus fuel battery, the Chinese government has invested a lot of money. Abroad, the high cost of bus fuel battery, to promote the formulation of China policy and the establishment of standards and regulations, the proposed fuel-battery cars in China may also be added in the ranks of demonstration runs.

 

In the engine control technology vehicles, the level of leading domestic and international level despite the differences, but this is not the most important development of hydrogen fuel batteries difficult. The key issue lies in the hydrogen and the power of A1022 A1078 battery life.

 

Wang Binggang said that the current fuel battery hydrogen internal stability of life is still about 2000 hours, well below the hour international Baqian Qi. Power battery life less than two years, while Japan is 3 to 5 the most advanced years.

 

It should be noted that multinational companies were involved in vehicle fuel-battery home.

 

The second approach – in collaboration with the multinational

 

In 2004, GM and SAIC signed a clean-energy vehicles strategic cooperation framework agreement, both parties reach an agreement: access “Hydrogen III battery vehicle hydrogen fuel from the first quarter of 2005 in China, one of two pilot operation years. General Motors in 2002 introduced “Hydrogen III” as a basis, the Pan Asia Technical Automotive Center in North America and General Motors German engineering under the direction of a series of integration and the Pan Asia Technical Automotive Center will responsible for the vehicle’s future operation and maintenance.

 

In 2001, SAIC Group and General Motors joint venture between China’s Pan Asia Technical Automotive Center in Shanghai, with respect to the Buick GL8 presented a BATBL50L6 LCBTP03003 prototype vehicle fuel battery called Phoenix.

 

China 2005 marketing bus fuel battery demonstration project bidding, General Motors, SAIC has supported to participate in the project submission, and provide fuel when the most advanced systems-GM training batteries. Currently, Shanghai Volkswagen Passat also produces battery vehicles to hydrogen fuel, but will participate in transport services during the Beijing Olympics.

 

Former Vice President of SAIC Wang Ta-General said, because a number of colleges and universities support the program 863, and may not be appropriate to give the latest global technologies to SAIC fuel vehicle hydrogen fuel battery research and development does not rely entirely on 863 plans, in cooperation with multinational corporations are too.

 

SAIC person who fails to disclose in research and development activities which form of cooperation. However, journalists have learned that domestic firms in the electronic engine control, control technologies for vehicles, both traditional energy sources, or developing new energy vehicles, are cooperation with multinational companies, as Bosch GmbH of Germany to develop technologies for electronic engine control.

 

The reporter noticed a cooperation agreement with SAIC GM also include “Development of vehicle fuel battery hydrogen from China to contribute to standards and rules,” such provisions. Therefore, do not exclude the use of SAIC-GM vehicle fuel PA3591U-1BRS  PA3191U-4BRS battery with hydrogen on the Chinese standard setting influence.

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Lithium-ion battery composition, classification and protection circuit

Posted by admin on December 29, 2009
battery knowledge / No Comments

In general, lithium-ion battery consists of three parts: lithium-ion protection circuit (PCM), the shell or shell plastic

 

1. Battery Category

 

Lithium-ion VGP-BPS10 battery and a cell phone to the situation, generally divided into an external battery and built-in battery, to name a very easy to understand, external battery that is directly installed in the backs of hands, for example: 191 MOTOROLA, SAMSUNG series, etc.; High battery is charging cell phones, but another shell, one in the loop when cell phone batteries, such as: 998.8088 MOTOROLA, NOKIA most models

 

1. External Battery

External battery pack in the form of ultrasonic welding and loop two kinds:

1.1 Ultrasonic Welding

Shell

Such packages are below the battery casing points, ABS + PC hardware is generally expected, the shell surface treatment injection, in general, the model names: 191 MOTOROLA, SAMSUNG series, the original battery cover long-term use after treatment with injection does not normally wear flowers, and some brands to spend a few days the Dell Inspiron 1300 battery cell or parallel shells began to fall off the fuel injection. The reasons are: the shell of batteries for mobile phones are cheaper, the cost of treatment is usually injected shell several times (good), so that the processing involves three steps: Spray Varnish (land), injection (the formation of color), then light oil spray (the order should be, if I remember correctly), while some manufacturers to reduce the cost of disposing of the proceedings at first and third work order the cost is very low.

 

The ultrasonic welding presses

His role as follows:

The best of the industry should be made presses ultrasonic welding of the letter Electric Co., Ltd., Shenzhen, Kuwait product.

Welding

With good presses ultrasonic welding does not OK if the weld with the equipment and presses Shell welding setup has a lot to the outer shell is made primarily with manufacturers of relevant equipment to nozzle doping situation, while parameter configuration must find their own way for the company because it involves a number of F4486B technical, unable to say more.

 

1.2 cards Button

The principle of snap-in design of stacks of the lower crust to form the snap-in, which is usually only once, if the card is getting better off the user opened strong, then it can not recover, but it is not important for the manufacturer in terms of difficulty (good map then folded open), and its representative models: Ericsson 788, Motorola V66.

 

2. Built-in battery

Built-in battery, there are two forms of sealing, ultrasonic welding and packages marked (using the brand will be the battery all packed)

Ultrasonic welding of the battery are mainly: NOKIA 8210,8250,8310,7210 and so on.

The subject of the VGP-BPS9 battery a lot, like the previous two years was MOTO998 Hu, 8088 by.

 

2. Lithium-ion battery circuit protection (PCM)

 

Section II of lithium-ion batteries by the knowledge that we can see that the lithium-ion batteries need at least triple the protection —– Over-load protection, over-discharge protection, protection short-circuit, then they should generated a circuit protection, the protection requirements of circuit protection for these three objectives:

 

Protection against overload: Protection against overload principle IC as follows: When an external charger for lithium battery, when, to avoid a temperature rise caused by increased internal pressure must terminate the charge state. At this stage, the need to test the battery voltage to protect IC when the time comes to 4.25V (assuming that the point of overcharging 4.25V) or start on the protection of burden would cut the MOS power since the opening, closing and the load.

 

Over-discharge protection: over-protection principle of the landfill IC: To prevent over-lithium batteries discharge, lithium batteries connected to the case load, when the battery voltage is lower lithium the more-developed discharge voltage detection (assumed to be 2.5V) will start over-discharge protection, power MOSFET to cut the discharge passage of the open-ended to avoid battery-phenomenon discharge, and keep the battery low quiescent current in standby mode, currently only 0.1U. When the lithium battery is connected to the charger and the battery voltage lithium is greater than this period of excessive discharge voltage, over-discharge protection is lifted. In addition, taking into account the conditions of discharge pulse, excessive discharge detection circuit with time delay to prevent malfunction.

 

Over discharge protection and support to protect the IC main manufacturers are: Mitsumi (MITSUMI), Seiko, Taiwan Fu Jing (DW01, FS301, 302), Ricoh, Motorola, packaging, etc. mainly for SOT26, SOT6

 

Overcurrent and short-circuit current

 

For unknown reasons (discharge or negative by metallic objects inadvertently) caused by over-current circuit or short, to ensure security, you should immediately cease its discharge. Terms runway Principles of protection against overcurrent IC, when the discharge current is too large or too short occurs, the protection of integrated circuits should start (short circuit) the current protection, over current detection at this time is power MOSFET’s Rds (on) as a sensor monitoring the impedance voltage drop in the case, if the ratio set by the A1060 voltage-current detection is higher when the discharge stopped, the formula is:

V = I × Rds (on) × 2 (V-for over-current detection voltage, I the discharge current).

Suppose V = 0.2V, Rds () = 25mΩ, and protect the current size of I = 4A on.

Similarly, too much time current detection delay should also be provided to prevent current flow generated when there are unexpected failures.

Usually, after the election of overheating if they can remove the excess current factors (such as the charge immediately and out) will resume its normal state, may proceed with the normal load, the discharge action.

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