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2011年7月18日星期一

Toshiba off a prototype of its fast-charging SCiB battery

Toshiba showed off a prototype of its fast-charging SCiB battery designed for laptops on Sep 2008 and these days it seems that the detail spec for a real laptop computer has been come out finally and will probably be obtainable within the market soon.
Toshiba pa3534u-1bas

Toshiba pa3534u-1bas Battery

  • Volt:10.8V
  • Capacity:8800mAh
  • Color:Black
  • Retail price:AU $159.09
  • Our Price:AU $106.06
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This sleek laptop is going for either Core i3, i5, or i7-620 processor, either 500GB hdd or 512GB SSD and a 4GB RAM. The most amazing part is that it comes with a 2nd SCib power battery, for a 10-minute recharge, it can be charged up to 90%. Available in Core i3, i5, or i7-620 designs with 4GB of memory, 500GB challenging disk or optional 512GB SSD. No further info regarding pricing and availability yet. We have every reason to believe that Toshiba will be making this official in short order.
Now, let me give you some basic background about SCiB very first. SCiB is really a cutting-edge rechargeable battery that offers excellent safety, superb long cycle life , rapid recharging characteristics & high power output performance, and good cryogenic operation. The new lithium-ion technology features include a high level of safety, extended life of about 5000-600 charge cycles, as compared to 500 cycles for standard lithium-ion batteries.(For average users, this means that you can use the battery for about 10 years before it dies.)
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Besides, SCiB are also safer and will not burst when crushed, as lithium batteries may. A framework was created to assures an extremely low incidence of internal short circuits. A high level of safety in preventing thermal runaway is guaranteed regardless if an internal short circuit is forced.
Anyone that has a car battery go within the middle of winter knows that cold weather tends to impede battery performance. Interestingly, The low temperature performance of the new Toshiba battery is great, with sufficient discharge at temperatures as low as -30°C(minus 22 degrees Fahrenheit). This characteristic also ensures wide application in cold climates.
If this battery lives up to the exciting potential, Toshiba will speedy come to be everyone's favorite battery of choice. The new Toshiba battery technology is too good to be true.



TagsCloud:  Battery Technology, Toshiba, Super Fast Charge, Laptop Battery, wholesaleeshop,Acer aspire 3680 battery

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2011年5月18日星期三

Cylindrical cell batteries are the most common types of batteries

Cylindrical cell batteries are the most common types of batteries used in household devices. These batteries typically come in standard alkaline form, but some also come as nickel-based rechargeable batteries. The size of the battery, labeled by its letter class, determines how much power it stores, which is measured in amp-hours.Hp 315338-001 battery
AA batteries are among the most common types of cells used. A AA battery measures 2 inches in length, including its button-like positive terminal, and just over 0.5 inches in diameter. AA batteries usually have a voltage of 1.5 volts, though nickel-cadmium and nickel-hydride usually have a 1.25 voltage and nickel-zinc has 1.65. Alkaline batteries usually have a maximum charge of 2900 amp-hours; lithium and nickel hydride batteries
(Hp pavilion dv6 battery,Dell latitude d830 battery) can have up to 3000 amp-hours, while nickel-cadmium and zinc-based batteries usually have 1500 or less. AA batteries are often use in portable electronic devices like hand-held CD players and video games consoles.
AAA batteries are very similar to AA cells, but more compact. These batteries are 1.75 inches long and 0.41 inches in diameter. Like AA batteries, they carry a voltage of 1.5 volts. AAA batteries usually have a maximum charge of 1200 amp-hours; zinc and cadmium-based batteries can drop to around 500 amp-hours. These batteries are for devices that don't require as much power as those that use AA cells. They are found in the same type of devices as AA cells, such as portable electronics and remote controls, but they are more efficient in power consumption.
C cell batteries are noticeably larger than AA and AAA sizes. They are two inches long and just over 1 inch in diameter. These batteries' voltage may vary from the standard 1.5 voltage depending on their chemical compound. The alkaline form of these batteries normally store 8,000 amp hours; nickel hydride batteries usually have 6,000 while zinc-carbon batteries have less than 4,000. C batteries are often used in larger children's toys and musical instruments.

Did you know that detaching your main laptop batteries from your laptop would increase your laptop's battery life up to 75%? Our experience and testing have shown that even when you are plugged in with your laptop ac adapter and your battery is fully charged, the laptop will still use the laptop battery resources in small increments. This will put unnecessary charge cycles to your battery. Since typical li-ion laptop batteries have 375 charge cycles, having a fully charged battery inserted will put unnecessary charge cycles. The downside to removing your laptop battery maybe a loss of power when the ac adapter is accidentally unplugged or when there is a power outage.


Tagscloud: Cell Batteries, Battery Technology, Battery Power, laptop batteries, dell laptop battery,Dell latitude d630 batteries, Dell studio 1555 battery, Hp dv9000 battery, Sony vgp-bps2c battery, Toshiba pa3399u-1bas battery


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2011年5月9日星期一

Battery Technology for Chasing batteries to storage

Batteries—in other words, electrochemical storage—have a range of useful applications on the grid, but their performance, cost-effectiveness and siting requirements must be refined, according to a recent paper by researchers at the Pacific Northwest National Laboratorybatteries in recycling bin
That refinement process is likely to require more utility-based demonstration projects, researchers said.
Battery applications such as power reliability, frequency regulation, renewable energy integration and energy management must be honed via further basic and applied research, particularly in utility demonstration projects, researchers said in a recent paper.
"While there has been increased interest and attempts to improve stationary storage, investment in the area is still limited in comparison with that of Li-ion batteries for vehicle applications," concluded Gary Yang, lead author of "Electrochemical Storage for Green Grid," and a lab fellow at PNNL. (The paper was published in Chemical Reviews in March. Subscription required.)
"Currently," Yang pointed out, "there are only a few government-funded programs worldwide with limited funding for developing electricity storage technologies for stationary applications."
Hurdles include lack of public and political awareness, current regulatory approaches Dell studio 1535 battery and government support, Yang suggested.
On the "bright side" (my phrase):
  • The Energy Independence and Security Act of 2007 authorized $50 million annually for a decade for basic research; $80 million annually for a decade for applied research and $100 million annually for demonstration projects.
  • The American Recovery and Reinvestment Act of 2009 funded 16 storage demonstration projects with $185 million in federal monies and $585 million in private sector investment.
  • China and various European nations are also investing and conducting stationary storage research and development.
Aside from cost and performance, advances are needed in chemistries, materials, cell/stack design and system engineering, Yang and his co-authors said.
Perhaps the most promising Hp 484170-001 battery,Hp dv6000 battery categories are redox flow, Na-beta alumina membrane, certain Li-ion chemistries and lead-carbon technologies, according to the paper.
Readers, one issue that arises here is that research and development (R&D) on battery technologies could mean greater choices for the myriad grid applications that will evolve over coming decades. Failure to do so could mean fewer choices. The work is expensive and, in my opinion, the cost-share between taxpayer and private sector is healthy.
This is a political issue, a budget issue and a technology issue that won't go away. Cynics may suggest that researchers naturally will propose more research. Private sector entities with an interest in moving battery technologies to market—and utilities that might benefit—clearly have an interest in overcoming hurdles. The public may eventually benefit, but broad support for utility-scale battery technology may be difficult to achieve, given the somewhat arcane nature of the pros and cons.


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2011年4月22日星期五

Magic Batteries Technology

Three weeks into using Apple’s Magic Trackpad, there’s some good news and not so good news to share as an update to my earlier articles on both the Trackpad and the Apple Battery Charger.
The good news: my “early hands-on” left open the possibility that the initially good accessory could come to feel great, and it did. One week into using the Magic Trackpad, it became a completely comfortable replacement for a comparable desktop mouse (specifically Apple’s solid Magic Mouse, which I’d liked but not loved before getting the Trackpad), and when I hit the two-week mark, I was ready to say that I wouldn’t give up Hp 6735b battery the Magic Trackpad for a mouse again. The act of calibrating the Magic Trackpad properly for the screen size of your computer is the point at which you start to appreciate how viable it is as a mouse replacement, and though finger- rather than laser-precision may be an issue for some people, it hasn’t been a problem for me at all. Between the complete access to multi-touch gestures, including ones left out of the Magic Mouse, and the fact that I can achieve the same use of my computer without the footprint of a mouse pad, I’m sold, locked in, and very happy with this accessory. It’s become a “pry it from my cold, dead hands” add-on for my Mac, which is exactly what I hoped for when I made the purchase.
The bad news: yeah, about that Hp dv6000 battery,Hp 530 battery life thing. I popped in a fully charged set of Apple’s rechargeable batteries on August 3, the day the Apple Battery Charger arrived, which is to say it’s been nearly 15 days since I started with a 100% Trackpad Battery Level. Today, it’s at 14% percent, which means I might get three or four more days out of these batteries before they need to be swapped and recharged. Even by Magic Mouse standards, 20-day battery life* sucks. Based on early testing noted in the comments to the original Trackpad article, it looked like the higher-capacity disposable batteries included with the Magic Trackpad would have lasted for three months before needing to be thrown away and replaced, but the rechargeables are running down at a rate that seems disproportionately and suspiciously high. In any case, since I regularly use a wired Apple keyboard, I would seriously prefer to just pop a USB cable from a wired Magic Trackpad into the spare USB port on the keyboard’s side. But Apple doesn’t make a wired Magic Trackpad. I wish the company’s growing team of magicians would conjure one up, because as fun as battery swaps with coin-operated swirled metal compartments may be, I could do without them. You probably could, too.
Othe News About Magic Batteries Today:
VCs are more likely to invest their dollars in slightly less ambitious energy-efficiency projects, Paul Kedrosky, senior fellow at the Ewing Marion Kauffman Foundation, told the audience at GigaOM’s Green:Net conference. Kedrosky sat down with a panel of VC heavy hitters for a discussion on what’s hot and what’s not in the second wave of clean-tech investing.
And what’s hot, they all agreed — is incremental improvements.
“Obviously we’ve known how to insulate a house for a long time and close the gaps underneath your door. It’s certainly about incremental improvements. The question is how to build Hp pavilion dv4 battery,Hp dv8000 battery that to scale and extract revenue from it,” said Nat Goldhaber, managing director of Claremont Creek Ventures. “We keep this in mind every day as companies visit us.”
Ashu Garg, a venture partner at Foundation Capital, pointed out several areas he thought were ripe for investing, including semiconductors and change conversion, smart grid analytics, and the intersection of social networking with greentech applications. He said he recently met a company, currently in “stealth mode” that is addressing the question of how to take the power of groups to actually drive people to use smart thermostatistics.Hp Business Notebook 6735S battery
Kevin Skillern, managing director of venture capital for GE Energy Financial Services said  he was  feeling “bullish” on remote energy management for both enterprise and residential.  It’s an attractive value proposition,” he said. With energy costing 25 cents a kilowatt hour in Europe and up to 30 cents a kilowatt in California,  “that too big an albatross for someone to tackle.”
But Goldhaber had a different take on today’s “fancy meters” that might look like iPads Hp pavilion dv6000 battery but are hard to read and interpret. He said they were investment kryptonite. “People will be amused by them for a few days,” he said. “And then they will put them back in the box and never look at them again.”
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2011年4月18日星期一

Scientists developing Novel Ionic Liquid Batteries in Battery Technology

Battery Technology - Scientists developing Novel Ionic Liquid Batteries


Scientists at the NRL Materials Science and Technology Division are providing solid evidence that there is a new route towards developing novel, lightweight energy storage devices. By moving away from centuries of caustic, hazardous aqueous-based battery cells and instead using non-volatile, thermally-stable ionic liquids, scientists predict multiple new types of batteries. Rather than depend on highly acidic electrolytes, ionic liquids are used to create a solid polymer electrolyte composed of an ionic liquid and polyvinyl alcohol, developing novel types of solid state batteries with discharge voltages ranging up to 1.8 volts.
The unique properties of ionic liquids have fostered this explosive interest in battery applications. Ionic liquids are room temperature molten salts that possess many important characteristics, such as nearly no vapor pressure, non- flammability and lack of reactivity in various electrochemical or industrial applications. "It is the high thermal and electrochemical stability of the ionic liquids which has fostered the growing interest in ionic liquids for use in various electrochemical processes," said Dr. Thomas Sutto. "These new types of solid-state cells mimic standard alkaline cells, but without the need for caustic electrolytes."
From left to right: (A) a Zn anode (1cm in diameter), (B) an EMIHSO4- PVA separator (laying on a syringe needle to illustrate thickness and transparency), and (C) a PbO2 - carbon cathode. 
Limits imposed by using corrosive electrolytes often result in severe restrictions to standard battery geometry and the need for special corrosive-resistant battery containers. The use of reactive ionic liquids in non-aqueous cells replaces the more hazardous highly alkaline electrolytes such as manganese oxide (MgO) and zinc (Zn) found in traditional Dell d630 battery,Dell inspiron 1300 battery.
The root of this work began during standard corrosion studies of different metals in ionic liquids. While working with ionic liquids based on mineral acids, such as hydrogen sulphates, it was observed that Zn metal would react to form zinc sulphate. Since this is similar to that observed for the zinc anode in a standard alkaline cell, a series of experiments were then performed to determine how different metal oxides reacted in these types of ionic liquids.
Electrochemical experiments demonstrate that not only can these reactive ionic liquids act as the electrolyte/separator in both solid state and liquid batteries, but they can also act as a reactive species in the cell's electrochemical makeup. Using a non-aqueous approach to primary and secondary power sources, batteries are designed using standard cathode and anode materials such as magnesium dioxide (MgO2), lead dioxide (PbO2) and silver oxide (AgO). The ionic liquid that is the main focus of this work is 1-ethyl-3-methylimidazolium hydrogen sulphate (EMIHSO4), however, other ionic liquids such as those based on the nitrate and dihydrogen phosphate anions (negatively charged ions) have also been found to work well in this type of a Asus eee pc 1000h battery,compaq dv2000 battery design.
The use of these electrolytes suggests the potential for new types of rechargeable systems, such as replacement electrolytes in nickel-metal hydride (NiMH) batteries, or even the standard lead-acid battery. Experimental work is currently underway to develop such a rechargeable ionic liquid power source. The ability to create solid separators also allows for the formation of many new types of batteries via a number of fabrication techniques.

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2011年3月1日星期二

Lithium batteries will be available for iPad 6 in 2011


If Apple announces the iPhone 2 as expected it tomorrow, it will likely run, like the first model, on a lithium-polymer battery. As do all those new Android tablets and smart phones, and the new electric vehicles that will save us, finally, from our "dependency on foreign oil." So where will the lithium come from and will there be enough?
Lithium is the lightest metal, and much of the current supply is in a few brine or clay deposits, mainly in Bolivia and Chile, with the next smaller sources in western Australia and some deposits in China. Some is found in igneous rock. A Reuters news analysis noted nearly two years ago in May 2009"There are enormous possibilities for profit." The reason? The projected boom in demand for lithium.
Lithium salts are used in mood-stabilizing drugs; and in a range of industrial applications: heat-resistant glass and ceramics, high strength-to-weight alloys used in aircraft, and in lithium and lithium-ion batteries.
Electric vehicles, or EVs, are widely expected to send demand for lithium soaring. For EVs to have even the remotest chance of actually reducing oil consumption, let alone "eliminating our oil dependency," millions of of them will have to built and sold and run. Every one of them with a Hp pavilion dv5 battery Hp pavilion dv6 batteries that uses lithium, lots of it compared to your cell phone.
One view of this is on display at The Fiscal Times, where Tom Zoellner draws on data compiled by a mining company, Western Lithium, which is developing a deposit in northwest Nevada. Zoellner: "Lithium is difficult to find and excavate. Tiny amounts are found in compounds everywhere, including in the bodies of mammals, but in extremely small quantities. The best way to mine it is to dig under the beds of dried lakes with high saline contents, where volcanoes in wet climates leached groundwater into a landlocked basin tens of thousands of years ago — not exactly in your backyard. Very few places on the globe match these exacting conditions, and some of them are politically problematic."
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Western Lithium sources some data to show a steeply rising demand for lithium, the graph of which isreproduced by The Fiscal Times (you can find the full WL presentation on the company's Website.) Somewhat coyly, the mining company doesn't project the impact of demand on price, which the graph shows has actually dropped since early 2009, due to the global financial crisis.
The headline at The Fiscal Times headline is pure alarmism: "Back to Land Lines? Cell Phones May Be Dead by 2015."
But according to a Tucson, Arizona-based TRU Group, which has a consulting practice in lithium exploration and process engineering, the financial crisis has hammered the market, depressing prices, even as production and reserves will more than meet the projected demand. In a presentation at the January 2011 3rd Lithium Supply & Markets Conference in Toronto, the company highlighted the "seemingly unstoppable supply growth" that "will cause such huge overcapacity that the stability of the industry will be threatened."
TRU sees no shortage in lithium supplies to at least 2020. "Pipeline projects and expansions could increase capacity by about 40,000 tpy Li-contained in the next decade – double what the industry needs," according the company. "Existing lithium chemical producers have the in-ground resources and ability to meet nearly all market requirements by expanding capacity." Prices for lithium carbonate fell steeply in 2010 and will remain depressed.  "Long term there is no market-driven upward-price pressure so prices will remain stable and likely below $5000" per ton. Startup and new project producers, lured by the rosy demand forecasts will find it impossible to compete against the distinctive natural cost advantage of brine-based producers" specifically Chemetall-SCL, FMC and SQM.
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