Laptop INFO

March 18, 2010

Smaller And More Efficient Nuclear Battery Created

Filed under: Uncategorized — Tags: , , — louise @ 11:10 pm

Batteries can power anything from small sensors to large systems. While scientists are finding ways to make them smaller but even more powerful, prpoblems can arise when these batteries are much larger and heavier than the devices themselves. University of Missouri researchers are developing a nuclear energy source that is smaller, lighter and more efficient.

“To provide enough power, we need certain methods with high energy density,” said Jae Kwon, assistant professor of electrical and computer engineering at MU. “The radioisotope battery can provide power density that is six orders of magnitude higher than chemical batteries(thinkpad t60 battery , thinkpad t61 battery).”

Kwon and his research team have been working on building a small nuclear battery,thinkpad t60 battery, currently the size and thickness of a penny, intended to power various micro/nanoelectromechanical systems (M/NEMS). Although nuclear batteries can pose concerns, Kwon said they are safe.

“People hear the word ‘nuclear’ and think of something very dangerous,” he said. “However, nuclear power sources have already been safely powering a variety of devices, such as pace-makers, space satellites and underwater systems.”

His innovation is not only in the thinkpad t61 battery’s size, but also in its semiconductor. Kwon’s battery uses a liquid semiconductor rather than a solid semiconductor.

“The critical part of using a radioactive battery is that when you harvest the energy, part of the radiation energy can damage the lattice structure of the solid semiconductor,” Kwon said. “By using a liquid semiconductor, we believe we can minimize that problem.”

Kwon has been collaborating with J. David Robertson, chemistry professor and associate director of the MU Research Reactor, and is working to build and test the battery at the facility. In the future, they hope to increase the battery’s power, shrink its size and try with various other materials,lenovo thinkpad adapter. Kwon said that the battery could be thinner than the thickness of human hair. They’ve also applied for a provisional patent.

February 24, 2010

Brown Engineers Build A Better Battery

Filed under: battery news — Tags: , , , — louise @ 11:12 pm

A description of the prototype is published in Advanced Materials.

“Batteries have limits,” said Tayhas Palmore, an associate professor in Brown’s Division of Engineering. “They have to be recharged.(thinkpad t60 battery,thinkpad t61 battery) They can be expensive. Most of all, they don’t deliver a lot of power. Another option is capacitors. These components, found in electronic devices, can deliver that big blast of power. But they don’t have much storage capacity. So what if you combined elements of both a battery and a capacitor?”

That’s the question Palmore set out to answer with Hyun-Kon Song, a former postdoctoral research associate at Brown who now works as a researcher at LG Chem, Ltd. They began to experiment with a new energy-storage system using a substance called polypyrrole, a chemical compound that carries an electrical current. Discovery and development of polypyrrole and other conductive polymers netted three scientists the 2000 Nobel Prize in Chemistry.

In their experiments, Palmore and Song took a thin strip of gold-coated plastic film and covered the tip with polypyrrole and a substance that alters its conductive properties. The process was repeated, this time using another kind of conduction-altering chemical. The result: Two strips with different polymer tips. The plastic strips were then stuck together, separated by a papery membrane to prevent a short circuit.

The result is a hybrid. Like a capacitor, the battery can be rapidly charged then discharged to deliver power. Like a battery,thinkpad t60 battery, it can store and deliver that charge over long periods of time. During performance testing, the new battery performed like a hybrid, too. It had twice the storage capacity of an electric double-layer capacitor. And it delivered more than 100 times the power of a standard alkaline battery.

But Palmore said the new battery’s form, as well as its function, is exciting. In width and height, it is smaller than an iPod Nano. And it’s thinner, about as slim as an overhead transparency.

“You start thinking about this polymer and you start thinking that you can create batteries(thinkpad t61 battery,thinkpad t60 battery) everywhere out of it,” Palmore said. “You could wrap cell phones in it or electronic devices. Conceivably, you could even make fabric out of this composite.”

Palmore said some performance problems – such as decreased storage capacity after repeated recharging – must be overcome before the device is marketable. But she expects strong interest. Battery makers are always looking for new ways to more efficiently store and deliver power. NASA and the U.S. Air Force are also exploring polymer-based batteries,lithium batteries,thinkpad x200 battery,lenovo n100 battery.

“What we’ve got is a good concept,” Palmore said. “Put electroactive molecules into conducting polymers and you can come up with all sorts of interesting materials that store energy.”

February 11, 2010

The Latest Battery Devolepment

Filed under: battery news — Tags: , — louise @ 11:46 pm

Sanyo introduced the new “eneloop” battery, which is a rechargeable NiMH battery useable right off the shelf. Unlike previous rechargeable batteries, which have limited shelf life because of their rapid discharge, these batteries retain 85% of their charge even after one year. Because this thinkpad t60 battery can be used for thousands of charges and is easily recycled, it is much more convenient, cost-effective, and eco-friendly than the traditional single-use batteries.

Lenovo Corporation has announced a breakthrough in lithium-ion batteries(thinkpad t60 battery,thinkpad t61 battery) that makes long recharge times a thing of the past. The company’s new battery can recharge 80% of a battery’s energy capacity in close to one minute, approximately 60 times faster than the typical lithium-ion batteries in wide use today. The battery also has a long life cycle, losing only 1% of capacity after 1,000 cycles of discharging and recharging, and can operate at very low temperatures .

Techtronic Industries Co. Ltd. of Hong Kong developed the V28. This 28-volt battery delivers increased power and up to twice the run time of traditional 18-volt models, yet the battery weighs slightly less. This means the introduction of new tools like the world’s first cordless band saw powerful enough for every day professional use. Containing no cadmium, the lithium ion battery has built-in fuel gauge that tells users how much run time is available. In addition, this thinkpad t61 battery is equipped with built-in Performance Optimizing Circuit to provide consistent, fade-free power throughout discharge cycle to ensure job power consistency.

Panasonic Batteries has its new Digital Xtreme Power batteries with oxyride technology, designed to last twice as long as regular alkaline batteries, according to the company. They utilize a combination of newly developed materials for the cathode (plus side): Oxy Nickel Hydroxide and new technologically developed manganese dioxide and graphite. According to Panasonic, that means the batteries will yield three times as many snapshots with a digital camera, with a shorter flash recovery time.

Battery Council International recently completed part of an ongoing project to determine the trends of lenovo battery development (among other things) and how manufacturers will adapt. There are a few interesting items to note from their research:

The North American volume will continue to decline due to longer life batteries.

Auto accessories will increase battery power needs.

Government regulations and restrictions will become more stringent

Lead-acid batteries will lose share in the car industry due to increased use of Lithium and Nickel batteries

Market demand for rechargeable batteries will increase

Various forms of lithium batteries thinkpad t60 battery and thinkpad t61 battery are emerging on the market. Although there are concerns about their flammability, many manufacturers are pushing industry standards by pre-qualifying these battery makers. The reason for this trend is simple – lithium is the lightest metal, which results in a high specific charge. For example, it takes 3.85g of lead to produce 1 amp for 1 hour while it only takes 0.26 grams of lithium to produce the same. One type of lithium battery is only 2.5mm. Lithium also produces a higher voltage and therefore, a higher energy density. Lithium is also more eco-friendly than lead or cadmium. These characteristics seem to fit right in line with market trends and many electronics manufacturers have noticed.

January 26, 2010

Two other highlights

Filed under: laptop battery — Tags: , — louise @ 11:55 pm

This year’s Consumer Electronics Show saw the introduction of a variety of new or, at least, uncommon devices, such as tablet PCs, new types of e-readers and e-papers and all types of touch devices of various shapes, sizes and input capabilities. Among the devices were mini projectors, tablet PCs, smartbooks, transparent laptops, and others. One of the companies that showcased uncommon devices, and that plans to continue doing so in hopes of creating new market segments, is Lenovo (thinkpad T60 Battery). The consumer-electronics corporation is now reported to be planning the release of laptops with integrated mini projectors.

A tablet-like wireless display, with a keyboard, without a thinkpad t60 battery, possibly with screen input. What the hell is this supposed to be? Did a reporter stumble across an iMac for the first time, and decide he’d found a HOT SCOOP?

The main chink in the Medion’s armour was graphics performance. Saddled with an integrated Intel graphics chip, we saw average framerates of 6 frames per second in FEAR at Maximum quality. If you really want to play games, look for a laptop with an ATI or nVidia graphics card inside.

This is another form factor for portable computing: it’s a two-screen device (one e-Paper, one LCD) that enTourage calls a “dualbook.” It functions as an e-reader – e-readers made a huge splash at CES this year – as well as a netbook,thinkpad t61 battery , notepad and audio/video recorder and player. It lets you read e-books, search and highlight text and write in the margins. You can also use it to write by hand, type notes (using virtual keyboard), surf the Web (via built-in Wi-Fi) and check e-mail. Closed, it measures 8.25- by 10.75- by 1-inch and weighs slightly less than three pounds. It’s available in February for $490.

To do this, you’ll need the polarised glasses which thankfully come with the Lenovo(thinkpad t61 battery) thinkpad . The glasses you get when you see 3D movies using Real-D 3D technology work quite well with the Acer Aspire 5738DG when viewed in the 3D modes. So there’s your spare glasses worked out. Now you just need something to use them for.

“The farther away the client is from the base station, the more transmit power it must put out for the base station to receive or ‘hear’ it. It has to ’shout’ louder to be heard by the base station due to the increased distance,” Sweeney said. This is true for Wi-Fi as well, but in general the transmit power for a WiMax client will be higher, he said.

Obvious ones really but this tablet is going to need to be totally hands free from time to time. A 10-inch, or thereabouts, device is going to get tiring to hold for the length of an entire film, so some kind of clever kick stand or perhaps dock is going to be needed. Its omission might not be a total disaster and naturally would spring dollar signs onto the eyeballs of Belkin and Griffin and pals but having no built-in speakers might be harder to stomach.

If this thing is to be taken about the house and used in different settings, then chaining it to you ears via headphones cable would be both taxing and rather impractical, particularly if you’re trying to do the washing up while listening to Spotify at the same time, say.

There are two other highlights to lenovo(thinkpad t60 battery)’s software bundle: the eco utility and PC Health Monitor. You activate the former software by pressing the eco button above the keyboard, which looks like a little Web globe with a stem attached. Within this software you can monitor your power consumption (measured in watts) in real time, as well as toggle eco mode on and off.

Anecdotally, the T40’s rendering of maps in Google Earth was faster than what we’ve seen on other thin-and-light systems recently. It consistently took 9 seconds to get to locations we entered, and generally just 4 seconds to load 3D buildings and sharpen the maps; often, that whole process can take closer to 20 seconds.

The EC-1000W took 3 hours and 40 minutes to fully recharge its battery, using 5918.0 watts in the process. When this is divided by its battery life (to determine its Laptop Battery Efficiency Rating; lower is better), the eCAFé scored 18.4. That’s a bit above the netbook average of 16.6.

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