Lithium-ion batteries will pave the way for the new millennium

2010-04-13 18:51:07


For several years, a Nickel-cadmium (NiCd) thinkpad t61p series battery were the only usable in portable devices such as wireless communication devices and laptop computers. In 1990, a Nickel-Metal Hydride (NiMH) and lithium-ion (Li-ion) have been put on the market, offering a greater capacity. The chemical compositions of the two batteries were in fierce competition, each claiming to offer better performance and smaller dimensions.



What chemistry win, and what system will pave the way for the new millennium? The winner is the Li-ion, especially for small portable.



The Li-ion thinkpad t61 battery requires little maintenance, which is an advantage that no other chemistry can match. There is no memory and no periodic cycling is required to extend the life of the battery. In addition to its high energy density and low weight, the degree of self-discharge Li-ion battery is two times lower than that of NiCd and NiMH batteries, which makes the Li-ion product which is well suited to modern applications using fuel gauges.



For cons, the Li-ion is fragile and requires a protection circuit to ensure safe operation. The charge current is moderate, and the thinkpad t60 battery must be conducted according to rigorous standards. In addition, the Li-ion battery is subject to aging, whether used or not.


Historical


The pioneering work on the lithium thinkpad z61p battery from 1912 with G. N. Lewis, however it took until early 1970 before placing on the market first batteries Non-rechargeable lithium batteries. Attempts to develop rechargeable lithium batteries followed in the 1980s, however, they failed because of problems related to security.



Lithium is the lightest metal, it offers the greatest electrochemical potential and it generates the greatest amount of energy. Rechargeable thinkpad z61e battery using lithium metal as negative electrode (anode) can provide a high voltage and high energy capacity, resulting in an extraordinarily high energy density.



After much research on rechargeable lithium thinkpad t60p series battery during the 1980s, it was discovered that the cycling alters the lithium electrode, which reduces its thermal stability, causing a loss of potential heat. If this occurs, the temperature of the element is rapidly approaching the melting point of lithium, resulting in a violent reaction. A large quantity of lithium ion rechargeable batteries that were shipped to Japan have been recalled in 1991 after a battery used in cell phones was generated hot gases, which inflicted burns to the face of a man.



Because of the inherent instability of lithium metal, especially during charging, research has been redirected to a non-lithium metal using the lithium-ion thinkpad t60 battery. Although its energy density is slightly lower than that of lithium metal, the Li-ion battery is safe, provided certain precautions are taken during charging and discharging. In 1991, Sony Corporation commercialized the first Li-ion. Other manufacturers have followed thereafter. Today, the battery chemistry Li-ion battery that knows the fastest growing and is the most promising.


Category : battery news | 0 Comments | 0 Trackbacks

What causes the failure of batteries?

2010-04-13 18:50:25


The operating time of a portable is it related directly to the energy stored in a battery?such as xps m1730 battery. The answer should be "yes" but in reality the operating time is often governed by other deficiencies that the exhaustion of capacity alone.


This article examines the cause of the unavailability and the short lifespan of the battery. We study four gaps - the sagging capacity, increasing internal resistance, high self-discharge and premature termination of the voltage on the discharge. We will evaluate how these deficiencies affect the pavilion dv6000 battery based on nickel, lead and lithium, and examine how a modern battery analyzer can identify these statements and to alleviate.


Historical



The amount of charge a battery can hold gradually decreases with use and aging. Specified to provide 100% capacity when new, the thinkpad r50e battery needs to be replaced when the capacity drops below 80% of rated capacity. (It may be that some organisms use different end capabilities as the threshold for minimum acceptable performance).


The storage of energy from thinkpad r50 series battery can be divided into three sections including fictitious: the available energy, empty zone that can be refilled and the unusable part (the contents of 'rocks') which increases with age. Figure 1 illustrates these three sections


Figure 1: Capacity of a battery.
Three sections of a dummy battery consisting of available energy, empty zone and the contents of 'pebbles'


In nickel-based batteries, the so-called content of rocks is present in the form of a crystalline formation, also known as the "memory". Restoration is possible with a full discharge to one volt per battery. However, if no maintenance is performed during a period exceeding four months, the longer you wait, the higher total compensation becomes difficult. To avoid the "memory" nickel batteries must be placed under deep cycles every month or two. The nickel-cadmium thinkpad t42 batteryand nickel-metal hydride are used on transceivers, medical devices and portable tools.


A degradation of performance of batteries with lead-acid is caused by sulfation and corrosion of the grid. Sulfation is a thin layer that forms on the negative plate of the battery if it does not allow the thinkpad r61i series battery to charge completely saturated. Sulfation can be partly corrected with a setting in cycles and / or charge extra. The corrosion of the grid, which occurs on the positive plate, is caused by overloading. Batteries Lead-acid is mainly used for portable devicesand larger applications "wheel".


The lithium-ion batteries lose their ability to cause oxidation of batteries, a process which occurs naturally during use and aging. The typical lifespan of a lithium battery? Ion battery is two to three years, whether used or not. The storage battery in a cool 40% load minimizes aging. A lithium-ion-old can not be restored with a setting in cycles. The lithium-ion thinkpad r60 series battery used in mobile phones and laptops.


Category : battery news | 0 Comments | 0 Trackbacks

Always the right choice for battery

2010-04-09 19:05:39



(Online-Artikel.de) - whether phone, camera, notebook and netbook, MP3 player or miscellaneous tools - all mobile devices need hp pavilion dv4000 battery .


Whether cell phone, camera, notebook and netbook, MP3 player or miscellaneous tools - all mobile devices need Batteries. But as everyone has already done the hard way to keep hp pavilion dv6000 battery do not last forever, but must be replaced sooner rather than later, with frequent use. Is no longer satisfactory performance, one can obtain from the manufacturer the right replacement. But first, the parts are not always cheap, and secondly, not endless. What to do when you have an old device for which the manufacturer to the right batteries no longer have the program?


This good advice is not expensive, but provides AccuShop.at, the specialist when it comes to batteries and chargers. From the extensive range can easily find the right product. And yet even if questions remain open, thus helping the team more by phone. AccuShop.at goes even further: If your Dell vostro 1400 battery is broken, it is often very difficult to find a suitable replacement. In such cases, the Graz online thanks to rebuild its own ready-made machines, the battery or battery pack, 1-1. In the original cells are replaced by new high-performance cells of the top brands AccuPower, Panasonic and Sanyo. These batteries have been specifically developed for use in high performance areas and are available for maximum performance and durability.such as xps m1330 battery. Just the defective original, or images from the front, back and send the performance data, AccuShop.at takes care of the rest


All Batteries are new and unused,like latitude d531 battery , 100 percent compatible with the original products and have the light of recent technologies and standards cells usually even more power. Payment must be made as simple as the order: in addition to the major credit cards including by PayPal, COD or cash on pickup in Graz. In advance, there are even 5 percent discount. From € 39.95 on orders shipping within Austria is also free.

Category : battery news | 0 Comments | 0 Trackbacks

Electric cars: put a battery in your roof

2010-04-09 19:01:34


A nanoscale material developed in Britain could one day yield wafer-thin cellphones and light-weight, long-range electric cars powered by the roof, boot and doors, researchers have reported.


For now, the new technology -- a patented mix of carbon fibre and polymer resin that can charge and release electricity just like latitude d820 battery -- has not gone beyond a successful laboratory experiment.


But if scaled-up, it could hold several advantages over existing energy sources for hybrid and electric cars, according to the scientists at Imperial College London who developed it.


Lithium-ion inspiron 6400 battery used in the current generation of plug-in vehicles are not only heavy, which adds to energy consumption, but also depend on dwindling supplies of the metal lithium, whose prices have risen steadily.


The new material -- while expensive to make -- is entirely synthetic, which means production would not be limited by availability of natural resources.


Another plus: conventional latitude d510 battery need chemical reactions to generate juice, a process which causes them to degrade over time and gradually lose the capacity to hold a charge.


The carbon-polymer composite does not depend on chemistry, which not only means a longer life but a quicker charge as well.


Because the material is composed of elements measured in billionths of a metre, "you don't compromise the mechanical properties of the fibers," explained Emile Greenhalgh, an engineer at Imperial College and one of the inventors.


As hard a steel, it could in theory double as the body of the vehicle, cutting the weight by up to a third.


The Tesla Roadster, a luxury electric car made in the United States, for example, weighs about 1,200 kilos (2,650 pounds), more than a third of which is accounted for by inspiron e1505 battery , which turn the scales at a hefty 450 kilos (990 pounds). The vehicle has a range of about 300 kilometers (185 miles) before a recharge is needed.


"With our material, we would ultimately lose that 450 kilos (990 pounds)," Greenhalgh said in an interview. "That car would be faster and travel further."


Vehicles with bodies crafted from the new material would likewise shed weight because it is four time lighter than steel, while remaining as strong and stiff.


"It is the sort of thing you find in tennis rackets or fishing rods -- a carbon fibre composite," Greenhalgh said.


"We aim to increase the surface area of the fibres as much as possible without degrading the mechanical properties. The larger the surface, the more electrical charge they can store."


The European Union (EU) announced last week that it would sink 3.4 million euros (4.6 million dollars) over three years into developing the new inspiron 1520 battery technology, with Imperial College coordinating a project spread over nine companies and institutes in Britain, Sweden, Germany and Greece.


Dell inspiron 1721 battery manufacturer Volvo has said it might build a demonstration panel into an existing electric car prototype.


Within three years, the researchers expect shave 15 percent off the weight of a car, and in five to six years, be able to integrate the material into the body.


But it will take a decade before the new material could fully replace existing batteries, such as inspiron 6000 battery.Greenhalgh cautioned.


One of the question marks is cost.


Carbon fibre is a lot more expensive than steel, but mass production should bring down costs dramatically, he said.

Category : camera news | 0 Comments | 0 Trackbacks

The development of lithium

2010-04-08 20:02:13

Investors got benefit from this development with investment in lithium. Many individual stocks is already priced into the boom, however,Mobile phones, laptops or cordless screwdriver - almost everywhere, where electrical energy is used and the go mobile, with lithium is in the game. The alkali metal is the basic raw material for lithium-ion hp pavilion dv4000 battery dar. These high-performance batteries will in future also increasingly drive hybrid and electric vehicles. Because compared to other battery types, the lithium-ion version is considered the most efficient. In addition, it has hardly called memory effect. This means the degradation of a battery when it is repeatedly only partially discharged and recharged.

Consequently, almost all auto-or battery manufacturers use in their drive concepts for hybrid and electric vehicles on the lithium-ion xps m1730 battery technology. This should have increased the demand for the alloy in the coming years strong. For the spread of hybrid and pure electric vehicles is expected to increase significantly. Already being advertised for customers no longer primarily concerned with horsepower, but drive with eco-friendly concepts. Of more and more vehicle models, there is now or in the near future, a hybrid version. Almost everywhere at once pure electric vehicles are developed. Mitsubishi sold in Japan with the i-MiEV the first exclusively equipped with an electric car that is produced in batches. The sale is expected to increase within two years from 8500 to 30 000 units - so the plan.

Besides Japan, set mainly the U.S. and China to the massive spread of the new drive Ibm thinkpad r50p battery technology. The purchase of an electric vehicle in the United States, the equivalent of Euro 5800 is eligible. In the People's Republic, the corresponding subsidy amount even at 6700 Euro. Both countries want to reduce their dependence on fossil fuels. Moreover, the two largest nations of the world car set a target for the key technology for future generations the very front car to be there.

The government in China is planning, in 20 years, 80 percent of the electric car sold in China come from domestic production. In particular, the short-haul traffic in big cities is suitable for electric vehicles. The rapidly growing urbanization of China offers the best conditions for the new drive concepts. Already today in the Middle Kingdom more electric bikes sold than in any other country on earth. The move to the electric car seems to be only logical. In the U.S., in addition to shaking, the sudden rise in oil prices in mid-2008 politics, business and consumers.

The Boston Consulting Group estimates that in ten years in China, Japan, USA and Western Europe is driven in every four new cars from a hybrid or electric motor. The market for lithium-ion Ibm thinkpad r50e battery is to more than triple - to a sales volume of more then 25 billion dollars a year.

Looking ahead, as the stock market is already anticipating this development was a long way away. For example, the units of the Chinese manufacturer of lithium-ion battery Build Your Dream (BYD), almost seven-fold since early 2009. There is a fear that has formed in the battery producers assess bladder. In addition, cavort in the industry, dozens of smaller companies, of which not all can cope with the enormous investment needs. As with the Internet, despite the anticipated boom in lithium-ion Ibm thinkpad r50 series battery with serious imbalances and bankruptcies expected of individual companies. Those who join right now, so is taking a certain risk.

Therefore seems more promising to invest in the issue of electric mobility by way of the light metal lithium. By far the world's largest producer Sociedad Quimica y Minera de Chile (SQM) is. The Chilean mining and chemical company supports almost one third of the global lithium Ibm thinkpad t42 battery production. However, the alkali metal in SQM is "only as a byproduct, not even contributes to ten percent of sales. There is also an investment in SQM, the single value of risk. To avoid this, it makes sense to distribute an investment on a large number of companies exploring the lithium or already promote.

If that is too complicated, can resort to appropriate baskets or ETFs, which are offered on the Lenovo thinkpad r61i series battery market. This should look at a long term, since it also can lead to short-term excesses to the top, but also down. Because each individual lithium-shares differ widely, actively managed products is to be preferred.

The ethical and ecologically sound investment, however, is to look for when buying a car next to exhaust emissions and invest in a hybrid vehicle.

Category : battery news | 0 Comments | 0 Trackbacks

The mobile phones batteries

2010-04-08 20:01:56

ith the start of spring back first cyclist to be seen, which can take much of their home electronics on tour scheinen.Vieles like it but after a few hours can no longer use ,because of theLenovo thinkpad t61p series battery haben.Helfen schlappgemacht E-factory (139 euros) from Busch & Müller, the liefert.Der while cycling power small, 50 gram box decreases power by all standard bicycle dynamo hubs and delivers it to MP3 players, cell phones, GPS receiver, but also cameras and lighting tent. The product identifier plant is certainly a little too bold, but still delivers the box up to 16 Watt.Im test I could phone to provide mini-computer and navigation system problems with electricity.

By early spring, again first cyclist to be seen, which seem to take much of their home electronics on tour. Much of it can, however, after a few hours can no longer use because the thinkpad x60 series battery have schlappgemacht. Help to the charger E-Werk (139 euros) from Busch & Müller, which supplies electricity while cycling.

The small, 50 gram box decreases power from all major bicycle hub dynamo and delivers it to MP3 players, cell phones battery(like the Lenovo thinkpad r61e battery) , GPS receivers, as well as cameras and lighting tent. The product identifier plant is certainly a little too bold, but still delivers the box up to 16 watts.

In the test I could phone to provide mini-computer and navigation system problems with electricity from ibm thinkpad x60s battery . Very closely you can adjust the voltage from 2.8 to 13.3 volts and the amperage from 0.1 to 1.5 amps.

Here the user can not commit errors, otherwise the electronics within the phone on for ever their work. , I have accurately quoted me in advance what values are on the transformer plugs of terminals. Then just have the correct value with two rotary switches are set in the pits. Sounds simple, but it was not: The scale is difficult to detect in the dim light, almost not at all. Another problem:the power of Some laptop are not sufficient ,which is from Lenovo thinkpad r61 battery , they also need a connection to the computer. The e-work can not charge the iPhone.

My fear, I would have during the test drive through Berlin ignore all traffic rules and risk my life in order to produce sufficient amount of power was unnecessary. Even at a pace as more parents with their strollers passing by me, had been running the empty sony vgp-bps2c of the MP3 player sounds first of himself. After 20 minutes at 15 kilometers per hour, the E-works had charged the phone battery to ten percent. And that is certainly no speed for racers.

Law is simply the assembly. When I saw are the many parts of me, I have several hours to set screws, but it actually went very quickly - and usually without tool. In addition to the cables for the lighting system was still space on the dynamo, to secure the E-works with O-rings made of rubber and the cable with a binder to the frame. The heavy rain during the test drive had something good, I was able to convince me that the cable glands are waterproof.

Category : battery news | 0 Comments | 0 Trackbacks

Micron solar cells hit the big time

2010-04-06 19:26:34

To control the natural features that silicon (silicon) will grow into the island's , using of micro-electromechanical systems (MEMS) technology will make those tilting to become the world's smallest island of the solar Acer aspire 3000 battery.


Now the solar apple a1185 battery grow on the lattice arrangement of the whole wafer, but also if the defect apear on cells ,it would have to abandon the entire; but Sandia National Laboratories found that "smaller is better" .The laboratory developed a small solar cells.weeks of about only 100 microns, thickness 14 ~ 50 microns (including the electrode).



In addition, these tiny solar Compaq Presario V4000 battery can also be cascaded together to produce the high voltage that traditional solar cells can not reach; It is understood that, in the traditional solar cells can produce 12 volts in the same space, using micron solar cells in series will be able to generate hundreds of volts voltage.The Sandia National Laboratories also said that because of the kinds of small size solar cells can also be attached to a soft surface, such as clothing, etc.



In the tests, Sandia National Laboratories can assemble 130,000 per hour in traditional automatic pick and place (pick-and-place) robotic arm, a small solar compaq presario v2000 battery production rate, but the cost of materials needed for each of batteries only one-tenth cents.

Category : battery news | 0 Comments | 0 Trackbacks

Game GB electric car plug-in and battery-type

2010-04-06 19:25:24

National Institute of Standards and other new energy vehicles will be introduced in 2010, these national standards affects hundreds of domestic electric car manufacturers eye. Car prices are hoping to compete for the national standard established right to speak(so it can help them to choose the different standards for electric vehicles.Plug-in charging mode and compaq presario m2000 battery type )


At present, there are two principal interest groups, led by two different standards for electric vehicles in game. they are Electric plug electric car business standards and models with the "change PowerBook G4 battery " type of business model dispute.


At the end of 2009, Zhejiang Condit also China National Offshore Oil, China Putian, and other energy giants reached an agreement to jointly set up a "Chinese electric car industry Promotion Union." The alliance praises "replace the Dell latitude d600 battery " type of electric car models. Production of these electric vehicles on behalf of enterprises are mainly Nissan, Zhejiang ZOTYE automobile.


"Battery type", the name suggests, customers need to rent the Dell inspiron 1721 battery pack after buying a car . When the vehicle battery will soon run out , the customer drove the car to the charging station to replace the other one battery and close the actual power usage.And the owner need only bear the cost of vehicles without batteries, the purchase price is lower than the battery contains,and also more convenient to use.


However, the State introduced the commercialization of electric vehicle technology(Plug-in charging mode and Dell latitude d830 battery type ) and standards, once to choose one ,the other mode of business will suffer. Game's outcome, the policy will not be both.

Category : battery news | 0 Comments | 0 Trackbacks

Japan's Matsushita will invest 100 billion yen for solar cell product

2010-03-28 19:30:44

Japan's Matsushita President Fumio Ohtsubo Hirakata City, Osaka Prefecture held a press conference on the company's business(solar Sanyo db-l40 cell is the main item)the policy. In order to improve a subsidiary of Sanyo Electric's solar cell production capacity ,they will invest 100 billion yen (about 7.3 billion yuan) by 2015 the annual Matsushita . At the same time they proposed to make solar cells for np-40 battery occupy the first in the 2012 business year , and enter the global top three goals the year 2015 .


Year period that began in 2010 a new three-year medium-term management plan, addition to the energy business,solar fujifilm np-40 battery production as a key business, but Matsushita also take into account in all areas of operation, and vigorously promote environmental technology. The company will concentrate management resources on environmentally friendly solar-cell ,vehicle battery systems and other energy-focused six major lines of business.


Panasonic will expand the capacity of lithium inspiron 6400 battery and strive to make 2015 the annual sales of more than 1 trillion yen. About SANYO Electric incorporated into the business after its duplication, Daping said it would promptly rectification, "we will be the best in people, the stop must stop."


The article via: laptopinfo


Related articles: laptop-batteries


Category : battery news | 0 Comments | 0 Trackbacks

Two kinds of Solar cell

2010-03-28 19:29:44

We roughly divided Solar latitude d820 battery , there is now two kinds.they are thin film and crystalline silicon.
However, from the current phase of the technical and cost point of view,
both of them have their merits and demerits.


Seting of ordinary residential roof solar nb-4l batterypanels, is almost all made from silicon wafers, known as the crystalline silicon-based products.the battery cell ,which Is the multi-processed wafers made of pieces of, is arranged together to form a solar cell modules. Although this approach has a high electrical sunlight conversion efficiency, but spent relatively high cost on raw materials. due to lower material cost,The thin-film type is easy to mass produce, compared with the crystalline silicon,so it makes it possible to substantially reduce manufacturing bn-vf823 battery costs.


It is understood that crystalline silicon (c-Si)will be the leader in solar vostro 1500 battery market . However, if the production makes the cheaper thin-film solar cells a large number of listed class, then the thin film and crystalline silicon is also expected to keep pace with the market-based, and expansd large-scale solar cell.

Thin-film solar latitude d830 battery because of ease of mass production, and thus it has a higher cost advantages. If you can not meet the minimum of its "10%" of the conversion efficiency, there is no competitive edge.


The article via: laptopinfo


Related articles: laptop-batteries

Category : Common sense | 0 Comments | 0 Trackbacks

The proper use and maintenance of batteries

2010-03-21 19:36:50

Maintenance-free rechargeable inspiron 6400 battery can also be added, charging an ordinary battery charging method essentially is same. Every single cell charging voltage should be limited to between 2.3-2.4V. Note that using conventional charging methods, charging will consume more water, when charging ,the charge current should be smaller more (5A below). battery can not be fast charged, otherwise the battery may be an explosion, resulting in injury. When the maintenance-free battery hydrometer shown as yellow or red, it stated that the battery is nearing end of life, even if the re-charging, life is not long.

the right maintenance-free batteries can be used with the current – voltage characteristics of the charging device to recharge for Panasonic cga-du14 The device can ensure adequate power, and avoid over charging and consumption of more water.

The proper use and maintenance of batteries have the following 7 points:

  1. check the battery in a fixed bracket on the bolt is tightened or not , due to shell damage,if the installation will be insecure,it can cause road vibration. Also do not put metal on the ibm thinkpad t60 battery to prevent short circuits.
  2. often see the first pole and the wiring connections have is reliable. To prevent the terminal oxidation, can coat Vaseline or other protective agents.
  3. do not using direct ignition (short-circuit test) method tp check the battery power so battery damage.
  4. ordinary lead-acid batteries should pay attention to adding distilled water. it is best to charge for Dry-charged battery prior to use. As for the water to maintenance-free thinkpad t61 battery can be able to maintain an appropriate view if necessary,it is helpful for adding distilled water to prolong life .
  5. battery cover of the pores should be smooth. Battery charging will produce a large number of air bubbles, if the vent is blocked so that gas can not escape ,when the pressure increases to a certain degree ,battery will result in the shell burst.
  6. due to sulfuric acid corrosion of the root column, line cards, there will be yellow-white paste in the sony vgp-bps5 battery very often around the column and cap. Great resistance of these substances must be promptly removed.
  7. when it need to use two batteries in series ,the same xps m1330 battery capacity is best. Otherwise it may affect battery life.

The general type of maintenance-free batteries can be kept from the factory to the use of 10 months, its voltage and capacitance remain unchanged,after 3 months the voltage and capacitance of the poor quality will drop. The time of purchase date of the election away from the production is 3 months, we can check the battery voltage and capacitance whether the statement on the requirements on the spot , if the voltage and capacitance are declining ,it showed that inside the material is not good, then the battery Quality certainly is not OK, it may be adding water to the thinkpad t40 battery charge through the dealer made of camouflage.

The article via: laptopinfo

Related articles: laptop-batteries

Category : Common sense | 0 Comments | 0 Trackbacks

Panasonic developed a large-capacity lithium-ion battery

2010-03-21 19:33:27

Japan’s Matsushita Electric Industrial Co. Ltd. has developed a new type of lithium-ion latitude d830 battery , its capacity is 4 Ah, and can be applied to electric vehicles, laptop computers and other devices.

Panasonic batteries using nickel material as the positive and negative ,silicon alloy is used to develop such a large-capacity Cylindrical Lithium-ion Canon nb-1lh battery, with a capacity higher than the existing products nearly 30%.

According to reports, the lithium-ion thinkpad x60 series battery can be connected into the module to act as a power source for electric vehicles or household batteries. This new battery connected module, which can extend the life mileage of about 35% for a single charge of electric vehicles .

Lithium-ion xps m1330 battery is currently the number of mobile devices an indispensable power. Compared with other energy storage systems using lithium-ion battery power-storage system ,it has lightweight, high-capacity and other advantages, its prospects are generally good. It is reported that Matsushita expects mass production this lithium-ion batteries in 2012.

Category : battery news | 0 Comments | 0 Trackbacks

Power package with great perseverance (B)

2010-03-19 20:08:47

Marcel Groos, project manager for reputation would have liked - as well as Siemens - deep into the interior of the inspiron 1525 batteryand looked done thorough testing. But he also understands that this is the Berlin-based start-up is too risky. Nevertheless, he remains on the ball: "We are in talks and want to install the battery in one of our cars."


If the Porsche are actually much further, would be stimulated, "sticking point for the electrical mobility is still the range," said Groos. Now it would not be equal to 1000 kilometers, but 300 would be good. In any case, reputation would even test whether the promises of Hannemann are realistic. Groos, "DBM is not out of the race, even if we know the inspiron 6000 batterytechnology is very costly."


Hannemann is the technique meantime to check the Federal Institute for Materials Research through its paces. "With the large-scale industry, we will not enter into partnerships," he says defiantly. There is currently with the little electric sports car manufacturer Lightning, several small aircraft engineers and logisticians in the conversation.


At a discount food store, the freight forwarder Eberl and packaging company Papstar be having their usual lead acid compaq presario v2000 battery forklifts compete against vehicles with hummingbird technique.


In 2009 a similar Papstar ran races with two identical forklifts: The Hummingbird for inspiron 6400 battery lasted about three hours longer, Papstar logistics chief Gregory Falcon could not believe it: "It blew us. We can imagine ourselves well, convert the entire fleet, "said Falcon. Hannemann was in January, the "Innovation Award of reason." Ironically Ex-Mercedes boss Juergen Hubbert to beat him and praised in the eulogy: "A car in the compact class with electric drive and a range of 500 kilometers is on the horizon."


The trophy is now in the barren and somewhat makeshift headquarters in Berlin between DBM inspiron 710m battery on the windowsill. The charm of the slightly chaotic founding, however, could soon disappear: The company wants to grow. Resulting in Thuringia and Baden-Wuerttemberg soon two new production plants. Mirko Hannemann is only beginning.

Category : battery news | 0 Comments | 0 Trackbacks

Researchers are looking for the super battery(B)

2010-03-19 19:57:45

A key problem is to concentrate as much as electrical energy in the smallest space. Researchers at the Fraunhofer Institute for Chemical Technology (ICT) in Pfinztal near Karlsruhe, therefore, attempt to replace conventional graphite electrodes from a1185 battery with materials from tiny, only a few hundred nanometers thick carbon tubes and fibers. This would dramatically increase the inner electrode surface. Normally, lithium ions move only between the graphite layers of the host lattice. A task that is called intercalation. The Nanokohlenstoff from Pfinztal is also different here: "If nanotubes are deposited lithium-ion addition to the edges and surfaces of material layers. Nanotubes can also be manufactured so that a much larger proportion of occupied Interkalationsschichten of lithium-ion inspiron e1505 battery ," says Jens Tübke head of ICT at the Department of Applied Electrochemistry.


Meanwhile, the researchers were able to increase the discharge capacity of nano-batteries to about 800 milliampere hours per gram (mAh/g). Classical graphite vgp-bps5 battery provide only 300 mAh / g. Nor is the production of micro-carbon nanotubes-consuming and expensive.


Ten times more lithium ions per gram of silicon can store as an electrode material in comparison to graphite. To the chagrin of the researchers, however, increased fourfold while the original volume of the brittle semiconductor materials. The result: After a few charge cycles to show cracks. Here, too nanostructures to solve the problem. For example, researchers at Stanford University are experimenting with micro-fine silicon tube as an electrode material of latitude d510 battery. In the nanofibers mechanical stresses during loading and unloading can survive obviously much better than normal silicon crystals. In addition, the mini-tubes can be produced with the chip production process from relatively inexpensive.



In the laboratories of Stefan Koller, Institute of Chemical Technology of Materials at the Technical University of Graz are also lithium-ion inspiron 1520 batterytested with silicon electrodes. The Austrian researchers battery is however a containing silicon gel which is deposited on graphite as a substrate material. "It has graphite as a buffer to absorb the large volume changes of silicon in the ion absorption and emission," said Koller. The new material could thus save an unchanged lifetime, more than double the amount of lithium ions. Challenge, however, remains the poor density of the materials in the electrode.



High-performance inspiron 1721 battery should base on lithium-ion plating,and are used for electric vehicles such as energy, the relatively long time to load the batteries can quickly be the Achilles heel of the technique. Until now, battery experts have always assumed that lithium ions during charging is not fast enough to move through the respective electrode material. A computer simulation, carried out the Gerbrand Ceder, Massachusetts Institute of Technology (MIT) in Cambridge (USA), but then placed near the opposite: the example of the standard material lithium iron phosphate (LiFePO (-4)) showed cedar that lithium-ion moving within the electrode downright brisk. But they are thwarted by the limited number of access channels in the crystal lattice, which are also difficult to reach. The result is a jam of the charge carriers.

Category : battery news | 0 Comments | 0 Trackbacks

Power package with great perseverance (A)

2010-03-18 19:15:18

A new high-performance battery electric vehicles finally will bring the breakthrough on long-haul. The new power package is 70 percent more efficient than comparable inspiron e1505 battery . A single charge is enough to power a VW Golf on a stretch of 500 kilometers with electricity.BERLIN. Mirko Hannemann tinkerers career began with a scolding grandmother. Hannemann was then three years old and had Granny radio decomposed into its components. But the anger of the grandmother vanished quickly, surprisingly nimble-fingered Mirko grandson built the demolished unit back together by hand - and the music was playing again as usual.


Today Mirko Hannemann is 27 years old - and he confuses with his ingenuity far more than grandma's budget. "I liked the competition is not at all what we do," says the young manager of the Berlin-based start-ups DBM Energy. Hannemann has developed a kind of battery for electric cars, which will leave the conventional energy of the car industry far behind,like inspiron 710m battery .


This Hannemann has combined the best from existing technologies and filed in the details of the control technology and the combination of materials. What emerged was the so-called lithium-metal polymer inspiron 6400 battery (LMP), the hummingbird Alpha marketed under the name Polymer Technology.


That the exotic fowl has been named to come, not by accident: Two grams of flower nectar of the bird can fly 800 kilometers wide and is considered the fastest vertebrate that are left of each fighter makes. "The hummingbird is the most economical and efficient animal in the world," said Hannemann.


If he will lecture on his invention, he could easily pass as a student in a seminar. The company president is wearing jeans and sweaters, can grow a small beard and speaks with the naive optimism of a enjoyable Weltverbesserers. "I want to detect system errors and eliminate the others accept as normal," said Hannemann. An error, which is also inefficient in his eyes, type of batteries that had been common practice everywhere,such as inspiron 6000 battery.


Hannemann was looking for a new path. Something to do so, as all do, that the young inventor is not anyway. His physics degree, he has broken off, instead he started his job at the DBM Search & Rescue Company, the technical systems developed for disaster relief. Five years ago, where he has won a contract to develop a rapid response to high-capacity inspiron 1525 battery. After several years of research and investment of 15 million euros was clear: The technology is far more than a stopgap.


The LMP technology, worked at the Hannemann, was not new. But apart from the young Berlin hardly anyone believed in their performance. The reason is that current could flow only in the cells so far from 60 degrees Celsius, whichis inefficient. "This shortcoming, we were able to fix by any other combination of materials," says Hannemann. Thus, the battery is now also supplies between minus 40 and plus 100 degrees of energy.


The article via: inspiron 1520 battery at best an efficiency of 80 percent achieved, is the LMP battery, at 99.7 percent. "We have met the physical performance limit," said Hannemann.


Compared to conventional lead-acid batteries the hummingbird inspiron 1721 battery weighs only one tenth, and is only one third as large. For the engineers at Ruf Automobile, specializing in the refining of Porsche cars, was the most interesting. On behalf of Siemens Wind Power should call a Porsche Cayenne to the converted electric car.


When another urge cooperation with DBM Energy, Siemens, however, pulled the ripcord. The memorable justification Hannemann has listed in his little black book: "It is not present in the interests of customers, an electric car with such a large reach," he was left barely know.

Category : battery news | 0 Comments | 0 Trackbacks

Researchers are looking for the super battery (A)

2010-03-18 19:14:34

The car of the future is driven by electricity werden.Doch yet there is still no xps m1530 battery ,it is enough to store energy for long trips könnte.Auch phones and laptops usually make far too quickly collapsed. Where is the solution of the problem? Electricity is the universal genius among energy sources.


The car of the future will be powered with electricity from xps m1330 battery. But so far there is no battery that could store enough energy for long trips. Even mobile phones and laptops usually do much too quickly collapsed. Where is the solution of the problem?


Current is the Polymath among energy sources. Countless devices from televisions to the spacecraft can be operated with them. Unfortunately, electricity is a very volatile substance. Even after decades of research can save electricity poorly durable and low loss. Each laptop and cell phone user knows that


As the superToshiba Battery is the favorite for researchers and engineers, a further development of lithium-ion technology. Although this allows comparatively more durable power supply for mobile phones and camcorders, the energy density is not nearly enough for long trips with the electric car - by far the highest price of these batteries quite apart,like latitude d830 battery . Perhaps could also be a completely different technology to solve the problem of electricity storage.


Lithium-ion batteries are relatively light, have no memory effect and currently have the highest energy density of all production-ready electric power storage. They are therefore almost everywhere as a first choice when it comes to developing high energy batteries to power electric cars. In Germany the Federal Ministry for Education and Research (BMBF) is funding the development of the project "Lithium-ion latitude d820 battery " with 60 million euros. In addition, a consortium wants to BASF, VW, Evonik Industries, Bosch, and Li-Tec Battery Kamenz in Saxony (a joint venture between Evonik and Daimler) push the promising battery technology with 360 million euros. In about three years there will be a production-ready battery concept. Alongside scientists from 13 Fraunhofer institutes in a joint project of the lithium-based energy storage.


A typical lithium-ion battery consists of differently charged electrodes. In between is an electrically conductive fluid, the electrolyte. In standard cells, by contrast, metal-oxygen compounds such as cobalt oxide and graphite used as electrode materials. Loading and unloading of a lithium latitude d600 battery, positively charged lithium ions migrate between the two electrodes and fro. They are stored depending on the state of charge, either in metal or between the levels of the atomic graphite lattice.


What sounds simple, however, causes problems in detail: a large number of different battery concepts arises only through the combination of different materials for electrodes and electrolytes. Lithium-ion latitude d510 battery should ideally be able to store a lot of power at low weight, be inexpensive and can withstand thousands of charge cycles without damage. Of course, even under extreme conditions, they should not go up in flames as soon as possible and be rechargeable. All this can be technically difficult, however, to reconcile.

Category : battery news | 0 Comments | 0 Trackbacks

Is the trend for the second battery?

2010-03-17 19:17:41

In recent days, there were more reports of extra Lenovo Battery hardware. Thus, the manufacturer Sanho has with its series HyperMac different battery packs to meet all current MacBooks (Magsafe connector) with supplies up to 31 hours additional power. Depending on battery power you have to carry about an additional weight of 360 – 2130 gram. In addition to the weight of the respective models are also proud Prices range from $ 200 to $ 500.

Problems with the battery performance have iPhone owners complain about. Some time ago I have already discussed the Mophie Juice Pack Air reported, Which is expected to double the inspiron 710m battery life. Just over 10 days I have this extra battery pack with arktis.de Orders for 79,90 €. Unfortunately, the Mophie Juice Pack Air, despite specifying a delivery time of 2-5 days has not arrived yet. Well, I hope that maybe next week I will find a small package in my Briefkaten.

What about you? Do you like deciding zuzulegen for you a second (external) inspiron 6400 battery for your hardware? For me, a second battery for a MacBook does not come into question because the cost to me of the “Durchdiegegendtragens” would be too great. When I ordered the iPhone from the second battery-which is still acceptable

So for the iPhone and Macbook, I would like to have an affordable second a1185 battery , but only for “emergencies” and longer “traveling”. But now there really has power everywhere, right? And if I go there somewhere where there is no electricity, then I wanted to also determined to do that.

But I think for some applications is such an external auxiliary Dell inspiron 1520 battery justified. I certainly did not want to lug son part, apart from the extra battery for your iPhone .

Category : battery news | 0 Comments | 0 Trackbacks

Nokia's patent is to recharge batteries with motion

2010-03-17 19:17:23

Despite all the technological advances in today’s mobile phones, there are still some properties that the manufacturers may be a target of choice, but so far does not necessarily seem to be reached. This includes, among other things, the problem is that the currently used battery materials to reach the maximum of their reserves through active use of mobile phones for voice calls and sending text messages after a few hours,such as latitude d820 battery . For years, manufacturers are hoping for the big breakthrough in the development departments, which could mean that the devices could be significantly more powerful than before.

The ideal in this respect is well produced, cell phones and smartphones, which can give consumers generally on the availability of a power outlet for recharging. This goal is achieved now conditioned by the first so-called “green” cell phones that work with solar panels and allow for charging of the latitude d600 battery using solar power, even where there is no access to the grid. The Finnish manufacturer and leader in the wireless platform for Nokia would be a great step to have succeeded, the consumers new possibilities and freedoms in the mobile phone is designed to provide applications.

Allegedly, the recent media reports in various scientific journals such as the journal The Scientist, suggests that it is in the house of Nokia is no longer just in the early stages of research, but the Group has even been filed in the U.S. a patent application. For several years, the experts of the company are working on alternatives to supply electricity from mobile phone latitude d510 battery . Under the plan, allegedly, load cell phones and other electrical appliances in the future on a technology called “energy harvesting” to. This is why, according to the articles that provide the owners with their movements for a downright automatic loading.

Remain more mobile phone users (by Nokia in the central area of mobile communications), the faster the load on the phone at the end. Jogger strollers might even say, or were, so to speak, are due to human Stechdose for their mobile phones in this way. The approach requires that the heavy parts are mounted inside the phone on rails which in turn have nothing fixed, but flexible. Through so-called piezoelectric crystals, which are compressed on the rails, is in the course of movement of the mobile carrier of electricity to be generated, which in turn is transferred to the inspiron e1505 battery .

Obvious that this is not necessary for a full charge movement workload can be achieved with an hour of exercise for inspiron 6400 battery. For experts, however, this environmentally conscious approach – Nokia pursued in addition to this, other ideas that would lead to lower demand for electricity – a first step to meet the one hand, the increasing power requirements of the new powerful smartphones. Above all, the system can, if successful, ensure that the few times it should be above the outlet less closely together. Precise data on the possible implementation of marketable a few days ago a patent was applied for the handset manufacturers still unknown. But the message from an already successful: The Sony Battery market has already given new fodder

Category : battery news | 0 Comments | 0 Trackbacks

1 | 2 next >>>>