2. Conditioning additives, its working principle is that by saving additive to add to the air conditioning, clear air conditioner condenser and the attachments, and in the circulatory system to form a protective film to improve air conditioning efficiency, reduce air conditioning wear and prolong life, to save energy purposes. Because of low investment, high efficiency, simple structure, reliable operation and easy maintenance, etc., laptop battery is currently used in passive filtering harmonic suppression and reactive power compensation the principal means. active filtering technology as a key technology to improve power quality.

        3. Air conditioning maintenance and repair, its working principle is that for filter and outdoor condenser cleaning, laptop battery to improve heat conduction efficiency, reduce air resistance and friction, the base station air conditioner outdoor unit installation direction of remediation, air conditioner outdoor unit mounted in a housing measuring west, south measured, adjusted to the base housing the east, north measure to reduce air conditioner outdoor unit sun. Laptop battery if the load equally, then the rated output current of each module is 18.5% module efficiency is greatly reduced.

        4. Air conditioning adaptive technology, its working principle is based on temperature, humidity detection module, automatically change the air temperature and humidity set parameters, less compressor working hours, automatic air conditioning control the physical location of the backup and switching time, according to the engine room heat source density of the location and reasonable allocation of air conditioning cooling capacity.  With the continuous improvement of capacity, and its scope of application from the user's own harmonic compensation for the entire power system to improve power quality direction.

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        2. Large particles bandwidth multiplexing, cross and configuration, OTN bandwidth of currently defined particle layer to optical channel data unit (ODUk, k = 1,2,3), i.e. ODU1 (2.5Gbit / s), ODU2 (10Gbit / s ), and ODU3 (40Gbit / s), the bandwidth of the optical layer particles wavelength with respect to the scheduling of SDH VC-12/VC-4 particles, OTN multiplexing, cross and configuration laptop battery significantly larger particles of high bandwidth data fit the customer's business and transport efficiency is significantly improved. Currently on SDH and ATM can achieve the standard package and transparent transmission.

        3. Powerful overhead and maintenance management capabilities, OTN and SDH provides similar management capacity overhead, OTN optical path (OCh) layer OTN frame structure greatly enhances the ability of digital surveillance OCh layer. In addition OTN also provides six levels of nesting tandem connection monitoring (TCM) function, which makes the OTN network,  In order to solve the problem of digital surveillance client signal, the optical channel layer is divided into optical channel transport unit (OTUk) and optical channel data unit (ODUk) two sub-layers, similar to the SDH technology section layer and the channel layer.

        4. Enhanced networking and protection capabilities by OTN frame structure, laptop battery ODUk crossover and multi-dimensional reconfigurable OADM (ROADM) introduction, greatly enhancing the optical transport network networking ability to change based on the current SDHVC-12/VC-4 scheduling point bandwidth and provide high-capacity WDM transmission bandwidth of the status quo. The use of forward error correction (FEC) technique, a significant increase in transmission distance optical layer. In addition, OTN will provide a more flexible electrical and optical layers based service protection functions.

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in addition to a few uses lithium manganese oxide (LiMn2O4) and lithium nickel oxide (LiNiO2) as cathode materials for lithium-ion batteries, the latter two generally positive materials for lithium-ion battery called "lithium manganese battery" and "Lithium nickel batteries." The newly developed lithium iron phosphate battery is lithium iron phosphate (LiFePO4) battery cathode materials for lithium-ion batteries, lithium-ion battery which is a new member of the family.lithium-ion battery is said that lithium polymer batteries, its performance is superior liquid electrolyte lithium-ion battery.

The full name of lithium iron phosphate lithium iron phosphate should be lithium-ion battery, which name is too long, referred to as lithium iron phosphate batteries. Because of its properties, especially suitable for the application of force, then adding in the name "power" of the word, that lithium iron phosphate batteries. It was also known as the "Lithium Iron (LiFe) battery." General lithium ion battery electrolyte is a liquid, then the development of solid and gel-type polymer electrolyte, high capacity, high output voltage, charge and discharge cycle performance good, the output voltage stability

LiFePO4 cathode material used to make sense。 Currently used as a cathode material for lithium-ion batteries are mainly: LiCoO2, LiMn2O4, LiNiO2 and LiFePO4. These battery cathode material composition of the metal element, cobalt (Co) the most expensive, and stores are small, nickel (Ni), manganese (Mn) are cheaper, and iron (Fe) is the cheapest. Cathode material prices are also consistent with these metals price quotes. Therefore, the use made of LiFePO4 cathode material lithium-ion battery should be the cheapest. It is another feature of environmental pollution.

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The lithium-containing ceramic coating to steel or aluminum, magnesium and other metal surface, forming a thin, lightweight, bright and heat-resistant coating, can be used for jet and rocket engine combustion chamber, the protective layer of the missile shell. Lithium with aluminum, magnesium, beryllium and other cooperative composed together: gold, both light and tough, has been widely used in missiles, rockets, aircraft and other manufacturing. Early hydrogen bomb have used a mixture of deuterium and tritium as explosives, today's most explosive bomb inside the compound of lithium and deuterium - deuterium and lithium.

The lubricant added lithium compound can greatly improve the lubrication performance. Such lubricants for temperature -50 ℃ to 200 ℃ in the range, it is widely used in aviation, power and other sectors of various mechanical devices and instrumentation. Some lithium compounds such as lithium stearate, lithium palmitate, their physical name can not change with changes in ambient temperature, and therefore two kinds of safe and reliable lubricant, and a permanent effect. If the number of parts in the car plus a lithium lubricant far enough to use the car is scrapped. Lithium found in the second year, the French chemist volts Crane reanalyzed sure.

Lithium hydride occurs violently with water chemical reaction to produce large amounts of hydrogen. Two kilograms of lithium hydride decomposition, may release hydrogen 566 kiloliters. Lithium hydride is indeed a well-deserved reputation for producing hydrogen plants. During World War II, American pilot with portable hydrogen source - lithium hydride pills for emergency use. Crash fall in the water, just a touch of water, lithium hydride immediately react with water, releasing large amounts of hydrogen, so that life-saving equipment (lifeboats, life jackets, signal balloons, etc.) inflated.

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Nickel-cadmium (Ni-Cd), nickel metal hydride (Ni-MH) rechargeable button batteries are usually combined into a battery pack, single battery usage is relatively small. General common nickel metal hydride nickel-cadmium button cell model that almost all types (except for military products). Combination of style more, we can refer to Guangdong Panyu Huali detailed description of the company to know about. China's domestic standard coin cell code called the GNB is the "nickel-cadmium flat" Pinyin first letter combinations; GNB front of the figure represents the number of single cells, GNB behind the figures represent capacity.

 Give you an example, 10GNB03 (one kind of special forces artillery laser rangefinder battery), is a button battery from the 10 GNB0.3Ah combined into appearance and D (One) battery exactly the same battery. After citing several examples of practical application of common,  mostly single cells 280K / H; handheld mini riot flashlight (that can be used in high-voltage discharge self-defense kind), which are mostly battery 4.8V button battery, most of them are 280K / H combinations; IPC above the reserve memory (also known as mixed CMOS) 3.6V button battery used, the most of 60K / H combination.

Button battery pack out of the factory using a special circular flange lug to spot welding, is to use a coin cell battery the same size and circular flange lug, to weld, so that the child does not appear to open the battery after welding welding, or the combined appearance of failure situation. More importantly, in the welding process, I know it is the battery voltage is higher than a one-time high, nominal 3.6V, fully charged can live 4V, self-discharge monthly average of about 10% less, no memory effect, but the capacity is small, probably for the same type of disposable lithium manganese button battery capacity of about 1/7.

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Without it "arm's length", In recent years, lithium-ion electronic products bombings often found in newspapers, caused a lot of consumer panic, However, the survey results, the majority of lithium battery explosion incidents are due to the user inadvertently safety tips, It should be noted that, as a lithium battery technology after 30 years of research, has successfully commercialized the mature technology, its safety is guaranteed. Regular brands of lithium batteries at the factory will go through numerous road test procedure after the sale also feedback mechanisms for the immediate recall of the products in question.

U.S. Transportation Security Administration (TSA) gives the following safe use of lithium suggestions:1. Using the original charger: lithium battery charging time is the high incidence of bombings. Better than the original charger compatible charger to ensure battery safety.2. Use reliable battery: try to buy original battery or commercially known brand batteries, not to save money while buying "used" or "parallel", these batteries may go through maintenance, as the original battery or battery reliable brand manufacturers. The battery temperature is increased slowly, the battery case and gradually melt, the corrosive electrolyte leakage.

Click on image to view in a new window,3. Do not expose the battery to extreme environments: high temperature, impact, etc. are important causes of battery explosion, as far as possible so that the battery is in a stable environment, away from high temperatures.4. Do not attempt to modify: Many young people like to give their phones, "beauty", but it was "audacious" to put cell phone self-transformation. However, it can easily lead to accidents by tampering. Phone is a sophisticated communications equipment, in the design, manufacturers will be strictly its safety research.
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2 built-in battery, Built-in battery, there are two forms of closure, ultrasonic welding and packages labeled (using the battery all wrapped trademark)
Ultrasonic welding battery mainly: NOKIA 8210,8250,8310,7210 and so on.The subject of the battery pack on a lot, such as the first two years of very waterside MOTO998, 8088 a.Section II lithium-ion batteries the basicsLithium-ion battery cell is a new energy, it does not contain lithium, in the charge-discharge process, only the lithium ions between the positive and negative movement between the electrode and the electrolyte does not participate in the reaction.

so the lithium-ion batteries more secure and stable. The reaction schematic and basic reaction is as follows:Lithium-ion batteries can reach an energy density capacity 300Wh / L, weight capacity density can reach 125Wh / L.Second, the construction of batteries, LiCoO2 positive electrode of batteries plus conductive agent and a binder, coated on the aluminum foil forming the positive electrode plate, a negative electrode conductive agent is added graphite layered adhesive tape coated on the copper base, a more advanced anode layered graphite particles has adopted the nano-carbon.

According to the above reaction mechanism, positive use of LiCoO2, LiNiO2, LiMn2O2, LiCoO2 which is a layer structure of the crystal form is stable, but away from the LiCoO2 XLi, its structure may change, but is changed depending on X size. Through research found that when X> 0.5 when Li1-XCoO2 showed extremely unstable structure, crystal paralysis collapse occurs, the external manifestations of batteries overwhelming end. Therefore, the batteries in the course of the charging voltage should be controlled by limiting Li1-XCoO2 the X value, the charging voltage is generally not more than 4.2V then X is less than 0.5.

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When the two-way power supply at the same time, the external interface power priority, while the two-way power switch is controlled by an electronic switch, the main current of the machine to achieve protective effects, and prevent short circuits or leakage on the phone's internal IC damage, however, if the electronic switch is damaged, the power module, there may not be caused by the supply voltage of the battery cell phone does not boot,  Maintenance can also be powered through different ways to provide power to distinguish electronic switch fault coverage and determine whether it is normal.

13mhz clock circuit start-up, you should make sure 13mhz clock signal through the resistors, capacitors and input to the amplifier circuit pin cpu, cpu clock input pin, the line should be checked if there is no resistance, capacitance, whether Weld or without amplification circuit power supply and damage. Cpu reset signal is also one of the working conditions, the symbol is resrt shorthand rst, Nokia phones using the purx representation. Reset generally leads directly from the power ic cpu or use a dedicated reset small integrated circuits, reset the boot moments exist.

Fifth, the logic circuit does not boot normally caused by the logic circuit for each memory key overhaul cpu chip select signals and license ce signal oe, these signals are very important, but the key is to find these signals must be. As more and more cell phone circuit uses IC bga package, to find these signals and their measurement points. Chip select signal are some vertical jump pulse signal. the electronic switching power supply for such a mobile phone, can be used as either an external power supply interface, the battery can be Trigger films, to be powered with an external power supply.
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DOD is the abbreviation of the depth of discharge. Of course, if the actual charge equivalent to the relative total capacity: 10% * 1000 = 100,100% * 200 = 200, the latter a full charge and discharge or better than some, but in front of friends do say that some of the amendments: Under normal case, you should have reservation in accordance with the remaining battery power and then run out the principle of charging, but if your battery is expected in the first two days you can not persist throughout the day, when they should start charging, of course, if you are willing to back the charger to the office again a different matter.

Harry through a common problem on the lithium battery company to do a simple summary for your reference: And you need to charge in order to cope with the anticipated upcoming busy communications will lead to an important event, even though the battery is still a lot of power over time, then you just charge ahead, because you are not really lost, "a" sub-charge cycle life , that is, "0.x" times only, and often the x will be small. Seen from the table, you can charge and discharge times the depth, 10% DOD cycle life than the 100% DOD for much longer.  so this brings additional risk.

Remaining battery run out of charge in principle is not want you to go to the extreme. And long, like charging a widespread view that "as far as possible the phone battery runs out, it is best to use automatic shutdown." This approach is really just practice on nickel batteries, the purpose is to avoid the memory effect occurs, unfortunately, it is also circulating on the battery today. It has been because the phone battery low warning appears, still do not charge to use the examples have been used in automatic shutdown. The results of this case, cell phone charging and starting later in the no response, had to give customer service overhaul. In fact, this is due to the battery due to excessive discharge cause voltage is too low, that does not have the normal charge and boot and conditions.
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In addition, the charging process can not be guaranteed under the premise of no damage to the battery charging current increase, because the charging current is limited by the maximum battery charge rate (ie, fast charge current) constraints. For batteries used in consumer products, with little more than the specified current 1C (within 1 hour to fully discharge the battery current). Therefore, in most cases required to complete the charge cycle time is often more than two hours. If you need to repeat the test, you will need to fully discharge the battery - this process is only slightly shorter than the charge.

Also you can use an alternative to the real analog load cell is ideal for load testing. Simulation should verify circuit DC response and dynamic stability. However, using the power of the criteria used in the test load cell simulator is very difficult. Unlike most of the load tests using different power, the battery can not simply be treated as resistors or constant-current sinks. As mentioned above, the work must be carried out within the entire segment test. The following description of Li + charger test circuit to meet these requirements. Or, you must have available a fully discharged battery.

We first discuss the two must be considered but eventually gave up modeling approach. Battery load modeling is one way: Use a having a source out (discharge) and inhalation (charging) voltage source with current capability represents the battery's internal resistance in series. Since Li + batteries require precise control of voltage and charge termination current, all Li + charger is actually regulated power converter.Further, since the power supply converter (charger) depends on the load (battery) of the dynamic characteristics, it is necessary to select a model is very similar to the load.
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