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.

March 2, 2010

About rechargeable batteries

Filed under: battery grip — Tags: , , — ecsem3 @ 6:20 am

As awareness of environmental protection, rechargeable batteries(such as inspiron e1505 battery )are also more and more popular for consumers. However, consumers generally reflects a lack of expertise in rechargeable batteries, in the face shelves dazzling variety of brands, as well as values ranging from milliamperes (mAh) labeling, often from confusion to confusion, do not know how to choose. Rechargeable battery technology in a recent seminar, the experts pointed out that some domestic battery manufacturers mark the capacity of rechargeable batteries is not standardized, there are exaggerated acts of misleading propaganda.

Battery capacity should be a range

Experts said that milliamperes (mAh) in fact represents the required discharge rates the capacity of the Dell latitude d600 battery can release value, that is, the different electrical appliances we use, because a different discharge rate, the battery can be released The power is different. Therefore, the capacity of a rechargeable battery will not have a fixed value of milliamperes, but should be a range, marking the highest and lowest battery capacity. For example a battery mAh should be "2000mAh to 2300mAh", but can not just mark a specific value to mislead consumers, but it is regrettable that the current domestic capacity of rechargeable batteries on the market have only a nominal mark the basic capacity of value.

On the other hand, precisely because the capacity of rechargeable batteries is an upper and lower limits of the capacity range, take the latitude d820 battery for example , which is drilled by some manufacturers of loopholes, they are often only marked on the battery out of the battery capacity of the extreme upper limit in order to attract those who seek high-capacity buyers.

According to electrical appliances to buy batteries

Some consumers buy rechargeable batteries, the assumed that the bigger the better when mA, regardless of their usage, experts pointed out that this is actually a waste of resources, behavior, contrary to the State to promote the energy saving recommendations .

In fact, the rechargeable batteries should be based on electrical appliances to purchase, need to consume high-current appliances such as digital cameras and other digital products, you can consider buying a large-capacity battery, but for the frequent use of electrical load, such as the Walkman and toys, etc. may not be must use large-capacity battery, but should focus on considering the durability of the Dell latitude d830 battery .

In addition, high-capacity rechargeable battery in the cycle of life is much less than the small-capacity batteries, such as the 1600 milliamperes when the rechargeable battery, the standard charge may be recycled 800-1000 or more times, but the 2400 milliamperes when the sony vgp-bps2a battery charge, under the standard can only be recycled less than 300 times. This is because the large-capacity batteries in the course of instantaneous release of high-current, overload elements in consumption of nickel batteries, reducing the elements to restore the performance of nickel, thus shortening the life cycle of the battery.

Experts believe that consumers should be the proper use of rechargeable batteries,for one thing,the Dell vostro 1500 battery, it is necessary to know more about some of this knowledge, learn to use electrical appliances according to type to select the battery. As manufacturers, also have the responsibility and obligation to the right, in its packaging marked mAh rechargeable batteries, upper and lower limits of the interval value, rather than irresponsibly marked the absolute value of a paradox.

February 26, 2010

Common fuel cells

Filed under: digital camera battery, laptop battery — Tags: , , — ecsem3 @ 5:06 am

Here are five kinds of fuel cells :

Proton exchange membrane fuel cell (PEMFC)

the electrolyte of Proton exchange membrane fuel cell(like the inspiron 1520 battery) is a thin polymer membrane in the proton exchange membrane fuel cell,such as poly [perfluoro sulfonyl] acid (poly [perfluorosulphonic] acid), and protons can penetrate, but not conductive NafionTM , while the electrode is composed of basically carbon. Hydrogen go into the fuel cell to reach the anode,and cracked into hydrogen ions (protons) and electrons. Hydrogen ions go into the cathode through the electrolyte penetration, while the electrons flow through an external network to provide electricity. At the same time, to form the air of oxygen for supplying the cathode, and combine with electrons and hydrogen ions to form water.

Alkaline fuel cell (AFC)

Alkaline electrolyte fuel cell use a potassium hydroxide aqueous solution or a stable matrix as electrolyte ,such as Dell inspiron 6000 battery, and the electrochemical reactions move from the cathode to the anode reacts with the hydrogen in water and electronics ,which is slightly different. These electrons first provide energy for the external circuit , then returning to the cathode to react with oxygen and water to produce more hydroxyl ions.

Phosphoric acid fuel cell (PAFC)

Such cells use liquid phosphoric acid as the electrolyte, the operating temperature is slightly higher than the proton exchange membrane fuel cells and alkaline fuel cell operating temperature, it is 150 ~ 200 ℃ or so, but still rely on the platinum electrode catalyst to speed up the reaction. The anode and cathode reactions and proton exchange membrane fuel cell is same, but because of its higher operating temperature, so its reaction is faster than proton exchange membrane fuel cell cathode speed on the cathode ,take the Dell inspiron 6400 battery for example .

Molten carbonate fuel cell (MCFC)

Molten carbonate fuel cell (for one thing ,the Dell latitude d830 battery )uses a molten lithium-potassium carbonate or lithium sodium carbonate as the electrolyte. When the temperature is heated to 650 ℃, this salt will melt, producing carbonate ions, flow from the cathode to the anode , and combine with hydrogen produce water, carbon dioxide and electronics. Electronics and then return to the cathode through an external circuit, generating in this process.

Solid oxide fuel cell (SOFC)

Solid oxide fuel cell operating temperature is even higher than the molten carbonate fuel cell temperature, used as solid ceramic electrolyte, such as yttria stabilized zirconia and other solid ceramic electrolyte, instead of using the liquid electrolyte. Its operating temperature is located between 800 ~ 1000 ℃. In such a fuel cell for Dell inspiron e1505 battery , when the oxygen ion moving from the cathode to the anode, so that oxidation of fuel gas (mainly hydrogen and carbon monoxide mixture)generate energy. Anode return to the cathode to reduce the access of oxygen through the external circuit, thus completing the cycle.

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 22, 2010

IEC provides the identification method of rechargeable battery

Filed under: Battery, battery grip — Tags: , , , — ecsem3 @ 12:14 am

According to IEC standard ,Ni-Cd Ni-MH Dell inspiron 1520 battery are identified from the five components :

  1. Battery Type KR identify nickel-cadmium batteries HF said that HR-type Ni-MH battery Ni-MH battery;
  2. Battery for Panasonic cgr-s003 size information, including the diameter of a circular cell height square height width of the thickness of the battery with a slash between values separated by units of mm;
  3. Discharge characteristics, said symbol L fit within the discharge current magnification in the 0.5C ;

    4. M said that appropriate discharge current magnification in the 0.5-3.5C or less.

    H said that appropriate discharge current magnification in the 3.5-7.0C or less.

    X indicates that the Dell latitude c500 battery battery can 7C-15C high-rate discharge current work under .

  4. High-temperature battery symbol expressed with the T ;
  5. Battery CF connecting piece, said on behalf of HH without connecting piece, said battery connected in series pull-shaped pieces used to connect pieces HB indicates that the battery connected in series with a side by side with the connecting piece ;

For example, a square nickel-metal hydride ,17inch apple macbook pro battery that HF18/07/49 width 18mm, thickness 7mm height of 49mm

KRMT33/62HH that nickel-cadmium battery discharge rate in the 0.5C-3.5 between the high-temperature series of single-chip cell-free connections 62mm diameter and 33mm height

Secondary lithium battery according to IEC61960 standard identification is as follows:

  1. Battery for Dell inspiron mini 9 battery identify the composition of three letters followed by a five figure number of cylindrical or 6 square ;
  2. The first letter said that I said the battery anode material for lithium-ion battery with built-L, said lithium metal or lithium alloy electrode electrode ;
  3. The second letter indicated that C-based cathode materials for battery electrodes N cobalt nickel-based electrode M of manganese-based electrode V of vanadium-based electrode ;
  4. The third letter is R, said cylindrical shape of the Dell inspiron e1705 battery cell, said square cell L ;
  5. Digital cylindrical battery 5 figures, respectively, the diameter and height of the battery unit mm diameter unit height mm diameter or height of either one-tenth of a size greater than or equal to 100mm when the two dimensions should be added to a ramp between the line, square battery 6 figures, respectively, the thickness of the battery unit of the width and height of 1 mm 3 size of any size greater than or equal to 100mm when the slash between the three dimensions of the Casio np-30 should be added that if any one of less than 1mm, in the preceded by the letters of this size for this size of unit is one-tenth of t mm ;

For example:

ICR18650 that a cylindrical lithium ion Dell inspiron mini 9n battery cathode material for cobalt with a diameter of about 18mm high of about 65mm.

ICR20/1050

ICP083448 that a square secondary lithium-ion battery cathode material for the cobalt its thickness is about 8mm, the width is about 34mm high of about 48mm.

ICP08/34/150 that a square secondary lithium-ion Casio np-60 battery cathode material for the cobalt its thickness is about 8mm, the width is about 34mm high of about 150mm.

ICPt73448 that a square secondary lithium-ion battery cathode material for the cobalt its thickness is about 0.7mm, the width is about 34mm high of about 48mm.

February 21, 2010

how to identify genuine mobile phone batteries ?

Filed under: Battery, digital camera battery — Tags: , , — ecsem3 @ 2:26 am

If we want to extend the Dell inspiron 7500 battery ’s effective use of time, in addition to the quality of the charger should have guarantees, the proper charging technique is also essential, because the poor quality of the charger or charging the wrong methods will affect the battery life time and cycle life, Xiaobian remind you that as far as possible with the original charger for mobile phone charging.

  1. the battery factory, manufacturers have carried out active treatment, and conduct a pre-charging, the Dell inspiron 7500 battery have more than electricity, a user said the battery charge in accordance with the time period of adjustment, standby is still a serious shortage, if the battery is indeed the genuine battery, then this kind cases, an adjustment period should be extended to 3-5 times and then fully charge and discharge.
  2. if the new buy a lithium-ion cell phone Dell inspiron 8000 battery , then 3-5 times before the charge commonly referred to as an adjustment period, more than 12 hours should be sufficient to ensure the full activation of the lithium-ion activity. Lithium-ion battery without memory effect, but a strong inert, should be given adequate activated in order to guarantee that used to achieve the best performance.
  3. some automated intelligent rapid charger when the lights change direction, only that was full of 90%. Charger will automatically change with the slow charging the Dell inspiron 8100 battery is full. it i s best to use the full battery, otherwise it will shorten the usage time.
  4. before charging, lithium batteries do not need special discharge, discharge improper battery will be damaged.
  5. charging as far as possible to slow Chong Chongdian to reduce the fast charge mode;
  6. After the Dell inspiron 630m battery fully charge and discharge cycles for three to five times, its internal chemicals will be all "activation" to achieve best results.

February 15, 2010

Weather and zinc surge

Filed under: Battery, battery news, digital camera battery, laptop battery — Tags: , , , , , , , , , — sunny27 @ 5:35 am

Weather conditions affecting the production of zinc surged Lun Laptop battery

January 29 LME aluminum soared, the market for China and South Africa worried about smelter’s power supply. Zinc opened at 2280.0 U.S. dollars / ton, sharply higher to close at 2365.5 U.S. dollars / ton, up 90.0 U.S. dollars, or 3.96%, trading at 2280.0-2377.5 U.S. dollars / tons, compared with the previous day closing active Masukura 575 hand.

Technically, the 60-day moving average konica minolta np-700 , konica minolta np-900 of long-term stress is still large, the price is still pre-shock interval at the bottom of a rebound. Stockpiles, LME zinc stocks rose 250 tonnes to 110,425 tons, 4875 canceled warrants, inventory write-off more than 4.41%. Inventories and hold down the period of zinc rose.

U.S. stocks rise, boosted the base metals market. U.S. stocks January 29 the U.S. stock market closed higher on expectations the U.S. Federal Reserve will again cut interest rates boost the economy, encourage banking, insurance and home builder stocks rally further.

News, South Africa, too much rain sony VGP-BPS15/S , sony VGP-BPL15 there emerged in China in the snow, so that power shortages will continue to limit the production of metal prices remains a key potential bullish impact; and rising coal prices mean that China’s energy costs will certainly rise, so that some of China’s high-cost smelters under pressure, the Chinese Lunar New Year since the ban on the export of coal for at least two weeks in order to help address the shortage of electricity caused by heavy snow. On the data front, the United States in December durable goods orders data on Tuesday also support factors; the U.S. Commerce Department announced that the United States in December durable goods orders increased 5.2%, seasonally adjusted to 226.6 billion U.S. dollars, analysts had forecast growth of 2.1% for the . In addition, the market is waiting for Federal Reserve interest rate decisions. Some sony VGP-BPL15/B analysts say that if less than 50 basis points rate cut will lead to base metals sell-off.

Shanghai zinc after midday yesterday, the trend of lightning, adjourn the daily limit above adjourn the amount of up to five thousand hands, turnover is still very active, hands position greatly reduced 4914. As the electricity supply shortage, triggering short-term shortage of supply has become an important reason for closure in the daily limit is one sony VGP-BPL15/S. But overall speaking, Shanghai zinc still wide in shock.

Global battery Brand

Filed under: Battery, battery news, digital camera battery, laptop battery — Tags: , , , , , , , , , — sunny27 @ 5:32 am

Seeing the world to open global konica minolta battery Brand Keys

This is a brand and Commander of the times, it was a more brutal era of the brand showdown. In the West, the brand has been known as the economy “atomic bomb” demonstration of the strength of the powerful brand. Now no one will ignore the national and enterprise value of the brand, using the power of the brand konica minolta np-400, allowing a company fame and fortune, so that a country has attracted world attention.

For the Chinese people, we opened the experience of seeing the world was full of history Kuse. Awakened from the darkness of ignorance, one on the face of continuing under the impact of the shock and confusion, then we compared with the outside world, as if living in the two world konica minolta np-600, two times.

In recent years, Chinese brands have become an important carrier of the competitiveness of enterprises. After reform and opening up 20 years of development, the current Chinese market is in a big transition, and gradually entered into a transition from manufacturing to the stage of the brand, “manufacturing power, brand small country” had been a number of economists on China’s economic development an evaluation, the lack of well-known brands can compete with international brands has become our independent too heavy a burden, creating brand well-known brands in particular, is undoubtedly placed in front of the sole of sony VGP-BPS14 , sony VGP-BPS14/B Chinese enterprises and urgent task.

China is now the world’s largest battery producer and the largest battery consumption country, but China’s battery industry, there are still many problems: the brand international recognition is not high, the product replacement is not timely, production automation and mechanization level is not high, costs are high, causing pollution . Therefore, China must adapt to the trend of the world battery industry, changing the pattern of China’s battery production and vigorously develop high and new sony VGP-BPL14 battery products, and strive to improve independent innovation, brand power.

As the core technology lies in the hands of international brands, in the downstream industry chain in China a long period of battery brands under the shadow of an international brand. This shows that Chinese brands want to occupy the domestic and international market, high ground, we must in the development of ideas from the “Made in China sony VGP-BPL14/B” to “Created in China” transfer. In order to achieve this shift, the only independent innovation.

Opening facing the world, so that the battery companies in China to better understand the world, the experience of growing international brand for the Chinese battery companies pointed out the correct direction of self-sufficiency, which is the only fundamental way possible, and we hope that it will become the starting point for today’s progress sony VGP-BPS15 , sony VGP-BPS15/B, and foundation.

Sustained high nickel prices

Filed under: battery news, digital camera battery, laptop battery — Tags: , , , , , , , , , — sunny27 @ 5:30 am

Sustained high nickel prices pushed up Asian steel prices slightly kodak klic-7004

As nickel prices remain high, the Asian steel market prices rose slightly, but because of uncertainty, now that market recovery is still too early. East Asia, 304 hot-rolled coil and cold-rolled stainless steel sheet 304 2mm/2b trading prices for the 3600-3650 U.S. dollars / ton, and 3700-3800 U.S. dollars / ton (Cif, China kodak klic-7005).

A week ago, the above-mentioned two kinds of materials, prices for the 3550-3650 U.S. dollars / ton, and 3650-3800 U.S. dollars / ton (Cif, China). Market sources said, as nickel prices remain high this month, traders and steel prices are higher than those reported in December. Taiwan Yieh United, said an official, “the current price level should be able to maintain. If nickel prices held steady this month, the price will be better than last year.” However, due to customers before the kodak klic-8000 Chinese New Year should remain at a low level inventory Therefore, no substantial recovery in demand. One trader said, “to our customers in Taiwan reported that the material prices, but reflects the bad.

They think that prices are not low enough to wait until after Chinese New Year. Now that stainless steel market has been restored too early, especially in the U.S. economic outlook bleak circumstances. The United States is one of China’s major clients, due to economic conditions, we heard from the United States orders for downstream products of stainless steel has been reduced. if the U.S. economy does not recover, stainless steel, the market may remain static light with sony VGP-BPS13A/B , sony VGP-BPS13A/S. ”

[Intraday News] Shanghai zinc transport pressure pulling ahead

30, Shanghai zinc limit-on the basis of the previous day to continue high-opened the main contract report 0804 Open 19.6 thousand yuan / ton, compared with the previous day’s settlement sony VGP-BPS13B/B price rose 650 yuan, high-opened by more than 3%. Zinc closed overnight Lun 2365 U.S. dollars / ton, rose 3.96%.

Shanghai this week, two full resumption of all varieties of metal futures up, which is greater than copper or zinc and aluminum. Due to the recent Hunan, Henan and other places of continuous heavy snowfall, so that my zinc affected the main producing area in Hunan large traffic disruption so that the spot appeared in the short-term shortages.

Chi Xiangcai metal that year, after strong U.S. economic data released sony VGP-BPS13/S , sony VGP-BPL13 ,  and further encouraged by the sharp rate cut is expected to lead to

The optimism, but because of the recent turmoil zinc prices higher, we recommend investors to wait and see the main.

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.

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