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The hummingbird battery

Meanwhile, I look for some data found on their website, in a press release: European showcase of the latest generation of inspiron 1520 battery starts

Accordingly, had the lead acid battery 750Ah at about 1200kg mass, the hummingbird 240Ah at 100kg. The truck is operated according to Jungheinrich with 48V.

Lead Battery: 36000 Wh Hummingbird: 11520 Wh

Let us come to the energy density: Blei Akku: 36000Wh / 1200kg = 30Wh/kg Kolibri: 11520 Wh / 100kg = 115 Wh/kg

Back to Cayenne:Even if we believe Mr Hannemann is now once more that a normal Li-ion battery only had 80% efficiency, this would imply (under the previous assumptions about the Cayenne, e) that he would need, instead of a 24kWh thinkpad t400 battery still has a 19.2 kWh battery , 180km to the range.

Power at 1000km therefore a 106.7 kWh battery. At an energy density of 115.2 Wh / g = 926kg battery. Since standard Li-ion vgp-bps2c battery , however, have said as well as an efficiency of 95-97%, we are more likely to have a mass of 1150kg.

Cayenne is one empty weight 2235kg, max. accepted: 2945kg -> makes 710kg payload minus 4 people + luggage: 310kg I.e. I would have to expand 840kg from the Cayenne, in order to install the compaq presario v2000 battery weight as the first place.

Although the engine, fuel tank and the gear (or deleted it only needs a solid translation), but the electric motor has a bit of copper, many thanks to the mass, even if it is smaller ...

Last but not least, a comparison with batteries that are commercially and the stacker which is, or what could equip Ecayenne always. Because the truck apparently takes several hours with the TravelMate 2440 battery , the average load is smaller than 1C, but they appear destined kurzzeitg to higher loads. One can probably assume that batteries are suitable for electric vehicles. What we had there on the market: Zebra Battery von MES DEA: 120 Wh / kg Saft VLE Module: 110 Wh / kg Gaia 55Ah cells: 132 Wh / kg

Fact is: The Hummingbird battery can thus realize no longer reach as with other batteries!like the Apple Battery . Even if I confine myself to 300km, the hummingbird weighs as much as Li-ion or Zebra batteries.

That leaves only one advantage of the hummingbirds when it is cheaper, safer, and perhaps longer than other batteries,such as TravelMate 2440 series battery .

The article via: laptopinfo

Power package with great perseverance (A)

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 secret lies in a special layered structure. The effect is startling: During a lithium-ion 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.

The article via: laptopinfo

Researchers are looking for the super battery (

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.

The article via: laptopinfo