tonyzyc's Blog

As a result, the quest for longer battery life still occupies much development time. For proof, just look at new technologies for mobile devices. Whether they are screens, processors, storage or other components, they usually share the advantage of lower power consumption. Longer Life for Lithium Much of the development work is focused on making batteries based on current technologies, such as lithium ion, last longer, and an increasing amount of time is being spent looking into new technologies such as fuel cells. "Lithium ion has been improving at a rate of about 9 percent per year since a decade ago when Sony introduced the first" battery based on this technology, says Ric Fulop, co-founder of A123 Systems, a start-up that's developed a high-power battery. The company has attracted investments from Qualcomm and Motorola. Although it's initially focusing on high-current devices such as power tools, it sees opportunities in the electronics sector. Fulop says lithium ion capacities have increased from around 2.2Ah (ampere hours) a few years ago to about 2.6Ah, and there's room for continued improvement. Representatives of Japan's Matsushita Battery Industrial said earlier this year that the company is working with Intel on a lithium ion battery that will have a capacity of 2.9Ah. Scheduled to be available in April, it should keep a laptop running for about eight hours. However, there are limits to the technology, Fulop says. "You are reaching the limits and it's not going to get much better," he says. Making a better battery means messing with materials and that's a battle against nature. "You don't have the same capability with materials science as Moore's Law. That's why the rate of improvement has only been 9 percent per year." Companies also are working on speedier recharging so devices are up and running again faster. Toshiba's Projects Toshiba has developed a prototype lithium ion battery that can absorb about 80 percent of the battery's total power capacity in about one minute. That's much faster than the typical charging rate of 2 percent to 3 percent of total capacity per minute. The new battery could make it possible to quickly bring a dead laptop back to life. Although lithium ion remains the king in portable gadgets, one of the most talked-about new technologies is the fuel cell. These create electricity from a simple reaction, typically that of a methanol and water mixture and air. They're generating interest because they can provide a relatively large amount of power from a small amount of inexpensive fuel and are environmentally friendlier than other batteries. Both Toshiba and NEC have demonstrated direct methanol fuel cells (DMFC) for use with laptop computers. A prototype unveiled by Toshiba at this year's Cebit show in Germany could power a small laptop for ten hours before it required a recharge in the form of a squirt of methanol, similar to the way a cigarette lighter is refueled. The Toshiba DMFC can provide about 20 watts of power, as can a similar prototype from NEC. Lenovo and Sanyo also are working on a DMFC-based prototype, but plan to combine the fuel cell with a conventional lithium ion battery. The fuel cell keeps the battery charged when the computer isn't working under load, and the battery releases this power when the system demands more than the 12 watts the DMFC can provide. Such a hybrid power source offers the best initial solution for DMFCs until technology improves, Sanyo says. DMFCs also win over lithium ion in other areas, says Jim Balcom, president and CEO of PolyFuel. The company supplies DMFC membranes to many of the major companies in the field. "Lithium ion batteries don't do very well from a durability aspect," he says. "Most tend to decline to the point where, after a year or two, the energy capacity drops to about 80% of the original level and then falls quite steeply." PolyFuel has tested DMFCs based on its membranes that last 5,000 hours and is working on membranes that last longer. Choosing Hydrogen Not all fuel cell research is focused on DMFCs. Some companies are looking at fuel cells that use hydrogen instead of methanol, because they can deliver more power relative to size. This can be measured as the energy density. Nippon Telegraph and Telephone's (NTT) prototype hydrogen fuel cell has an energy density of 200 milliwatts per square centimeter: That means about nine hours of talk time for a 3G phone from the device, which is about the size of a pack of playing cards. In contrast, the DMFCs demonstrated with laptop PCs have an energy density of about 70 milliwatts per square centimeter, and lithium ion batteries used in modern cell phones are about 160 milliwatts per square centimeter, according to NTT. The high energy density also has pushed Canon into hydrogen fuel-cell development for digital still cameras. It has a prototype that matches the power of lithium ion batteries; the company's research goal is a fuel cell that offers between three and five times this amount of power. Despite all this work and many demonstrations of working prototypes, fuel cells are not mere months away from commercialization. "One of the biggest challenges is lack of standardization," says Sara Bradford, research manager for Frost & Sullivan's power supplies and batteries group in Dallas. Major vendors are using different types and amounts of fuel to power batteries of different sizes. "This all just adds to the confusion for the average consumer," she says. NP-20 NP-FC11 NB-2L NB-2LH NB-4L BTP-58A1 Aspire 1410

Misunderstanding three: do not use the battery when the battery would be best off to avoid over-charging.

The origin of the error appears to be a knock-on effect, such as if the wrong point of view I do not have to have more for you on the breath, it is natural to have been a mistake, over-charging for a well-designed Li-ion battery is not the existence of this The reason is to have the protection of one of the reasons for the existence of the circuit, or the above-mentioned reason, as long as the charging indicator light has been extinguished on the charge that there is no action, over-charging on the issue no longer exists, but not for long The use of the battery, or not so good, because the protection circuit between the batteries and have a certain degree of measurement error, this time is the best way to calibrate the battery calibration procedures before proceeding to use.

So I would like to put forward a right to maintain the principle of three:

You can rest assured that the battery will be placed in the machine, not the existence of over-charging problem, but there is a need to pay attention to the problem, lithium batteries overheating in the environment will accelerate the pace of aging, if you used the perfect notebook design, The battery and CPU, hard disk, such as fever of a very big place so close to accelerated aging is possible if you just do not often use the words or the battery to discharge (in some capacity, such as 40%), to prevent overheating of The damage caused by lithium batteries. WW116 , XD187 , XD736 , XR693 , Y4367 , Y4546 , Y9943 , YD165 , YF976 , Latitude D600 , Latitude D610



Finally, we provide for the use of some of the recommendations:

1: can be used at any time at any time charge, but as far as possible to reduce the number of charge and discharge, or frequent power plug adapters, because the design of lithium battery charge and discharge frequency is fixed, and only 300-500, with more than a little on the first

2: avoid extreme temperature lithium batteries is to maintain the best way to avoid the battery in extreme temperatures, save, save as much as possible in the shade.

3: Use good state of mind, for goods not to place undue wear and tear, deliberate pursuit of the perfect maintenance, natural wear and tear is a very normal thing, just like human sickness and death

Second misunderstanding: to buy a new lithium battery is fully charged 3 times the activity will be fully activated

If you can accept my point of view of the above, you probably think this will be the point of view is nonsense. Activation? Lithium batteries when the factory in order to avoid the natural wear and tear on the damage caused by batteries, have a certain amount of power, so that the activation of work in the factories have been fully completed (must be activated in the absence of protection circuits exist to complete), try Imagine, with its own lithium battery circuit protection circuit, this circuit are necessary to prevent over-charging and discharging of the batteries, then you have to use a lithium battery protection circuit for as long as 10 hours of charging, Oh, how funny Things, the lights off when charging, the battery charge has been refused, and then you also plug inserted into the red is not a trace of electricity, so that the activation of a more ridiculous is fully applied to a set of nickel-metal hydride battery,RN873 , TC023 , TC030 , TD175 , TD344 , TD347 , TD349 , U1544 , U4873 , UD260 , UD264 , UD265 , UD267 , W1605 , W2391  you A statement of responsibility. In order to verify the author of this, you can install a software called BATTERY MON, when the lights go out charging, the battery in his column on the situation, we can see the status of the battery for on-line, but no charge. There is also a more intuitive way, when the battery charge will be fever, when you follow the companies that charge 10 hours after you no longer feel the batteries, heat it? In other words, if you really want to charge 10 hours to activate, and to really be able to charge more than 10 hours on electric power, even with a slow charging, the battery has a deep-fried.

Notebook computer battery is the source of power, if not a laptop battery, it is at best a general performance of the mobile PC, which can be seen on batteries for laptop computers for this product has an extremely important role as But just as play a role in the fall consumables and accessories, the right to maintenance can extend the useful life of its regular use of the wrong battery will speed up the aging, said there has been full of a variety of media and how to maintain battery The article, the maintenance of the course is a very detailed description, but to sum up, Ha ha, a variety of more or less the same point of view, the core of almost the same, it has been the maintenance of the lithium batteries do not have anything on it? No, No, I specialized in a number of recent large-scale Web site, devoted to the maintenance of cell sites to carry out a large volume of data collection and collation of data and found that at present the major media of lithium batteries to maintain the existence of a number of ways and wrong questions, so here in the venture will own SHOW some of the ideas out for everyone to see, there are those who hope to be able to maintain some misunderstanding of the correct solution.

A misunderstanding: notebook lithium battery maintenance should be followed with exhaustion in the past.

That we might not see most of the maintenance of the principle of Ha ha, in fact, this is the most fundamental point of view of the error, a simple analysis, which is estimated to have the principle of the original nickel-metal hydride batteries to copy the methods of maintenance, such as if the principle of In order to minimize battery memory effect, for those of the early notebook batteries (nickel-cadmium or nickel metal hydride) has a role in the maintenance of good, but the current mainstream notebook equipped with lithium batteries will have the possibility of injury. Lithium battery is not the memory effect, this major manufacturer of publicity when the user will show that this is not the case, lithium battery materials is an active substance, the temperature of this material, the use of the frequency of conditions and so on are very sensitive when The use of battery time there will be some of the aging phenomenon, the most intuitive to use the time to reduce the performance, why is it so what? F5635 , FF232 , FK890 , FP282 , FT080 , G5226 , G5260 , G5266 , G5345 , GK479 , GR986 , GR995 , GW240 , GX047 Natural wear and tear is one of the important reasons, but they did not know their own to safeguard them for this phenomenon is also a major cause of over-charging and over-discharge of the battery will rapidly reduce the activity, although the user to maintain the course of discharging and recharging is far Over less than the standard (because it has a lithium battery protection circuit, the full protection of over-charging and discharging), but there is no thought of their users around such a phenomenon, sometimes under WINDOWS show there are 20% of battery capacity, you can use 30 minutes, but all of a sudden look of the machine automatically shut down, and confusing at the same time ask the experts, experts will tell you that this is because the aging batteries, battery protection circuit can not be good to monitor the battery capacity of the real reason? I have to tell you combine logic, we would guess, so that the protection of the credibility of the number of circuits in the end? Just mentioned is the phenomenon of excessive discharge of one of the most intuitive, so that you can completely break a conceptual error: In the normal day-to-day battery depletion, the protection of the circuit will be more inaccurate, at this time if you adhere to the Full charge and discharge the maintenance of the principle, I believe this approach has a battery life, no such visual performance when there is no damage to the right battery? I decline to comment on this, but hope that we seriously consider the automatic power-down caused by the above-mentioned reasons, only whether the natural wear and tear factor inside.

So here I provide a right to maintain a principle:

The use of the process of deliberately not require charging to 100%, using automatic shutdown to maintain such a way, but the best use about 20% on the beginning of charge, charge about 98% of the charge will be able to stop (the use of a hurry, I do not object to the fully charged),HD438 , HF674 , HP297 , J2178 , KD186 , MM165 , NF343 , NR222 , NR239 , PC764 , PD942 , PD946 , RC107  the battery will not cause harm if the machines have a power correction procedure, then have the option of 1-2 months a correction, so that protection of the circuit and give full play to the role of

tonyzyc

to tonyzyc