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Scientists at Stanford University used nanotechnology-based fast-ordinary office paper for ultra-thin, flexible battery or a supercapacitor. sony vgp-bps8 battery,sony vgp-bps9 batteryRelated Articles published in this week of the U.S. National Academy of Science “online edition.

    Materials Science and Engineering at Stanford University assistant professor Yi Cui (phonetic) said it would provide a paper covered with silver nanowires with carbon nanotubes and coating materials can be transformed into a storage device good conductor of energy. He said that these nano-materials with a diameter of a small three-dimensional structure, which enable nano-materials, dressing more closely attached to the surface fibers of the paper, allowing a more lasting battery or supercapacitor. This ratio may reach a super capacitor or 40000 times charge-discharge cycles, laptop battery rechargeable  or at least comparable to the number of charging the lithium battery and discharge an order of magnitude higher. The nano-materials, more efficient charge transfer may also be more benefits than conventional capacitors, the effect would be the best.
The research team tried a plastic substrate made of nano-materials for devices of energy storage, dressing and paper and as a resistance close this document as a starting battery battery more durable substrate plastic. More importantly, the piles of paper are not afraid of offending and retreat, or their being immersed in an acid solution,dell y9943 battery it will not affect performance, but also to effectively reduce production costs.

Cui Yi, said the paper based flexibility to achieve a variety of intelligent applications, such as brushes can be such a high electrical conductivity smear dressing on the wall above, and its fast becoming a major scale energy storage device. dell inspiron 1720 batteryWhen it with light-emitting LED (LED) and so closely related, it can provide enough electricity for the LED source. In addition, this technology can be used for distribution of energy, will generate surplus electricity at night, during the centralized storage and ease pressure on electricity in peak hour during the day. In wind farms and storage systems for solar energy can also make similar applications. Note that the super capacitor paper may also be used for electric vehicles or hybrid. Two types of cars depends on the rapid transmission of electricity, while the capacitor paper high ratio of surface area and volume, which has established its presence in the automotive application of a great advantage.

As a leader in nanotechnology, the University of California at Berkeley, chemistry professor Peidong Yang said the ability of technology to realize the commercial potential in the short term.hp f4486b battery,hp f4809a battery He believes that this technology will not only be limited to the field of storage devices, energy, and its low cost and flexibility properties to adapt with any electrical device electrodes, very broad perspective. More importantly, we can use life’s most common paper as a substrate, a simple process, electrodes made of conductive features intensive, that nanotechnology will fundamentally be linked with everyday people.

One problem is placed.

October 23, “Philips Domestic Appliances encountered Chinese distributors liquidation” a wrinkle. Just a few days, there were dealers across the country to contact the reporter,  rechargeable laptop battery  talk to agents of the painful experience of Philips products. Related products have been reported from small appliances to extend the battery, color television and many other areas.

The broker also told this reporter in early November, around the country, dealers Philips will be held in Beijing, “The Crusade Philips intimidate Chinese agents” of the General Assembly, a total proposed protection policy collective rights.

Dealers pay the poor-quality batteries

“Philips Products Business Friends reseller please open your eyes alert, Philips is no longer the original Philips let us do better, but regardless of life and death dealers,  dell latitude d430 battery blind-pressure sales extreme business objectives. ” October 29, Cabanatuan phone, the Guangzhou Electronics Co., Ltd., General Manager Don philton Midnight spoke very urgent.

Tang Midnight is so hostile to Philips, because of three years, and Philips is not a happy “marriage.”

“2007 Philips to find our battery business to discuss, we analyze the time in this case, the feeling risky, too invested, the return period is too long. But at that time committed to Philips,   hp f4809a battery director general of the ministry of this kind ‘business well, bigger, and has promised to Philips, at least let us do this kind of business 3-5 years, let us boldly put. Philips based on trust, comments that we are fat. included in the national profile of several vendor 20 to establish three offices and the national launch of 300 stores keys. Tang true memories Midnight “sexual gratification” at the beginning.

Did not last long. At the end of 2007, Philips serious problems of quality battery, the status of market is a big step backwards, but fortunately Philips respond actively market to improve gradually.

In July 2008, beating Leighton Philips Electronics to sell the battery to a new level, monthly sales of 3.5 million yuan. But now, the new Philips batteries quality problems, philton Philips Electronics, first to reflect the other hand, continue to increase investment to save the market confidence in the market and dealers.

In October 2008, Philips sales meeting, promised to increase the input market,  hp f4809a battery and a radical improvement of product quality, commitment of Philips Electronics philton months to continue to purchase 2 million yuan, and immediately all the countries to increase investment, to save the market.

“But Philips respect the commitments made at the meeting, he had not been applied, resulting in further deterioration of the business, monthly sales fall to $ 100 in stock to 700 million euros.  compaq presario 2500 battery  In this regard, a bad situation even Philips termination of our contract, leading to our investment go down the tubes, have suffered heavy losses. “Speaking of the situation yet, Tang midnight very helpless.

“In this case, we have been advanced for the Philips recovered four quarters of 2008, the cost and solve the warehouse stock market, but Philips has been ignored. Two years ago we sold over 3,000 million Philips products Battery, Philips can not lose, we’re not even there is no money to prosecute. “Tang said midnight. A loss of color TV and urgently “Soviet Union” unsatisfactory

Not only the battery, as this newspaper previously reported that the field of Home Appliances small dealer “Catch a Fire” in the field of major appliances, Philips has also suffered the pain of the chain.

Filed with the cooperation of Philips TVs, the Shanghai Electric Appliance Co., Ltd., President Zhibin Rong Yan Pang countdown has complained to the press “has been more than two years, Philips has three characters like nightmare plagued me .

According Zhibin Rong introduction, while 34 officers from Shanghai, one of Philips TVs, Yan Pang Philips Electrical has been “rejected by two years. “For two years,   toshiba pa3399u-1brs battery  cost of sales generated by Philips, not radiation, the adjustment of prices of LCD products, Philips is also not check their accounts.”

Rongzhi Bin believes that an agency without fear of being alone for Philips. “Officers are in poor condition and Philips and Gome and Suning appliance stores, etc. between the two end in disappointment.”

Zhibin Rong said that his greatest wish is that as soon as possible with the Philips headquarters in dialogue with senior officials, but is willing to listen to our voice? “Speech Zhibin Rong trace disappointed.

Disappointed that not only agents, giant Gome and Suning chain such as Philips, is also a lack of confidence. Data supplied by another distributor, Philips televisions this year, the Gome and Suning two channels of losses as high as 120 million yuan. This year alone, “51″, “11″ period, the losses amounted to RMB Qibaqianwan,   ibm thinkpad r60 battery,ibm fru 92p1141 battery the market was a serious downturn, flying a single empty and countless other problems. “Gome, Suning was very dissatisfied with Philips TV.”

However, these data have not been confirmed by Philips area. Philips: “No answer more”

In the escalating global crisis when the channel under the “sense and simplicity in the form of” broadening the concept of the Chinese market, the other party, Philips, how to respond?

October 29, Philips (China) spokesperson for the group accepted a telephone interview with reporters. The spokesman declined to be named, said dealers will be held in early November on a crusade “against the General Assembly” has been “heard”, the company will continue to be repeated, and patiently to maintain a dialogue with dealers,   apple a1079 battery and we look forward to the premise of mutual respect and reasonable legitimate problem of problems, in addition, the company “not to respond to information.”

Asked “how to look at this incident through the channel strategy of Philips in China, with or without change in plans?” Question, the spokesman said the temporary inconvenience to answer a question relevant departments of the company, at an appropriate time to answer.

Background Information:

April 2007 Philips has major problems as the battery recall:

In July 2007, Philips rechargeable batteries and chargers are available, all rechargeable batteries, barcode error, error call service;

In August 2007, Philips produced by rechargeable batteries and rechargeable batteries, charger configured leak, leading to an alternative national

In October 2007, Philips ratio alkaline battery drain up to 5%, resulting from complaints and replacement nationwide;

In November 2007, Philips has produced 5 # batteries in digital cameras do not turn on, leading to replacement at the national level;

In January 2008, Shanghai user Philips rechargeable batteries explode when charging;

In July 2008, Philips has produced 900mA rechargeable batteries have been omitted sampling in Fuzhou;

In September 2008, Philips rechargeable batteries in the Industrial and Commercial Bureau of Shijiazhuang was the false advertising fine because they can not deliver can be recharged 1000 reports by product testing;

In November 2008, Philips has produced 900mA rechargeable batteries in Shenzhen, which is sampling has failed;

In September 2008, Philips 2450ma rechargeable battery market, bar code printing error does not recur in November the same year, Philips produces national quality standards fail to halt production;

In December 2008 Submission Philips Nanfu, GP, Philips, Energizer Detect, Shanghai Institute of Quality Inspection, test results showed that: Philips alkaline batteries for products inspection,   dell 6y270 battery in addition to the penultimate line 1000mA Discharge Secondly, the other all the test items of the last first;

In June 2009, Foshan, Mr. Gu Kechen Philips Charger burst;

In June 2009, Guangzhou 12,315 line up to complain to Mr. Philips Tse capacity rechargeable battery is not charging enough and repeated until at least 1000 times, as Philips does not provide the report of ‘Test match. Commerce and Industry Bureau of Mediation under the “retirement compensation in a transaction.

The World Bank and African Development Bank organized a few days ago in Tunis, the new conference on green energy technology to promote green energy, new technologies, rechargeable laptop battery   to discuss the Middle East and North Africa and development of clean energy, especially solar plan investment projects in order to tackle the growing problem of climate. At the meeting, the World Bank announced that it will be completed in December this year, the Middle East and North Africa to develop a solar energy production and investment plans, funds for clean energy Technology will also provide development projects of solar energy in 750 million U.S. dollars of preferential loans.

      The World Bank spoke at the meeting on behalf of non-Luo emphasized that the use of solar energy has two advantages, not only does not cause air pollution,  dell d620 battery  it does not produce hazardous waste. Development and use of solar energy, will contribute not only to East and North Africa in the countries of the region to meet the challenges of climate change but also help promote the integration process, countries the region to achieve the diversification of industry and create more jobs. Severe degradation of the environment in today’s world,  hp f2024b battery Eastern and North African countries growing energy needs of the case, solar energy will be the development of green in the field clean energy choices.

      The African Development Bank officials, Sheikh Kamal Ms. Hu Lu said that we need more incentives to the private sector in the implementation of clean energy projects play a role,  compaq evo n400 battery the African Development Bank provides private investment in solar energy R & D and production projects to provide financial support, but no guarantees.

      Middle East and North Africa is sparsely populated, especially in the high desert region, the year the sun around a long time the potential of developing wind, solar and other clean energy unique conditions. Tunisia in the field of solar energy R & D and production of outstanding achievements. To promote the development of renewable energies,  sony vgp-bps5 battery,sony vgp-bps5a battery Tunisia in October 2009 adopted a “from 2010 to 2016 solar energy development plan, the whole project should cost 2 billion euros, including the construction of 40 solar energy projects nationwide, and seven bio-energy production.

      Tunisia is in charge of renewable energy policy and food industry, the Secretary of State Lasa Stressed that the region in developing clean energy and infrastructure construction has a unique advantage in the European market electricity and electricity market integration in the Maghreb region of Tunisia and Italy has agreed to launch a project grid linking the two countries. Currently, both countries have built a transport capacity of submarine cable of 1000 MW,   toshiba pa3384u-1brs battery,toshiba pa3399u-1brs battery and have built a production capacity of 1,200 megawatts of solar power, these projects were included in the Mediterranean Strategy Solar Plan. ”

      Middle East and North Africa there is enormous potential for clean energy development, which is an energy hungry countries in Europe across the Mediterranean is a big attraction. European countries have developed a “Europe, North Africa, the sun shines, the large projects. We learn that 24 German companies in Munich, in July this year, the adoption of the Sahara in North Africa to build a solar energy projects planned for the huge supply of clean energy in Europe.  ibm thinkpad r40 battery,ibm thinkpad t42 battery Of these 24 companies, including “Munich Re”, “Deutsche Bank”, “Siemens” and other major multinational corporations, all plans for capital investment to 400 billion euros in 2050 should be completed to meet the 15% of energy needs. The huge solar panels known as the man “little facts about the Sun,” will be by optical effect, raising the production of solar thermal energy. This will be regional, national development and a positive impact on the lives of local people.

The battery power system is a set of communications is an integral part of the investment rate is not small, to strengthen the management of the battery to improve its use to effectively extend battery life, has an important meaning. Currently, electric power supply system of communication supporting the most advanced batteries VRLA battery, according to the equipment needs of communications positions, each of its sections are generally single-voltage 2V, 6V and 12V three kinds, and generally large hub stations often used long life and high reliability battery 2V, in a small office, according to installation requirements, can use two batteries, when used to connect several monomers sections to form a group 48V battery. Power system reliability in demanding times, use two sets of batteries in parallel operation, powered floating manner.

Battery
Battery life can be divided into life cycle, float life and storage life. Battery capacity is reduced to the specified value before the battery charge and discharge cycles as the cycle of life. Under normal working time floating cells, known as the floating life. The float is generally maintenance battery life up to 10 years free.
Cycle life and depth of battery discharge is closely related to each. 30% depth of discharge, the charge-discharge cycles up to 1200 times, 100% depth of discharge, cycle life of only 200 times. Therefore, the use of depth of battery discharge must be avoided.
The results of accelerated aging tests, maintenance-free VRLA batteries at room temperature, the float life of 10 years. It should be noted, float voltage is too high or too low will lead to overcharging or less fresh, and therefore will affect the battery life.
That the role of self-discharge, archiving, maintenance free battery remaining capacity will be reduced by Hsi, generally, the remaining capacity of the battery drops to 50% of the time, called the shelf. At different temperatures, the remaining capacity of the battery and the storage time is a link. When the environment temperature is 250C, the storage life of up to 18 months. When the ambient temperature of 400 degrees Celsius, the shelf life of only 5 months, therefore maintenance-free battery temperature storage can not be too high.
Battery an excellent relationship with the temperature. Generally, if 25 ℃ as a base, usually not more than 15 degrees to 30 degrees. Temperature increases, the discharge capacity of the battery will increase, but lower life expectancy, if the long-term use at high temperatures, the working environment for every temperature rise of 10 ℃, the the use of battery life in half. If the temperature is too low, the battery capacity decreases, the temperature dropped 1 degree for each of its capacity down 1%. Thus, when the camera is in working condition when the float needs by reducing the float voltage to compensate for ambient temperature compensation coefficient for each increase of 1 ℃, each cell (2 V of monomer) of the float voltage to reduce 3 - 5 mV. However, the function of temperature compensation can only operate within a certain range, sony vgp-bps5 battery,sony vgp-bps5a battery battery best work in the environment 20-25 ℃. If the battery voltage is the release of its rated capacity by 80% (capacity control discharge rate corresponding as C10, C3 and other parameters) less than before the 1.8V / simple (cell rate 1 hour discharge to 1.75 V / single cell) should be considered as a replacement.

Battery float running
Determine the life of the battery of three elements: the first is the quality of the product, the second is to maintain the situation, the third is to determine if the battery is float in a good condition. When the normal supply of alternating current, the charging current supply alternating current power through the rectifier and directly on the charged battery in the micro-current (self-discharge power to supplement its energy ) Provision for state and when alternating current from the battery when stopped for a separate power supply load, so often Batteries in good condition, which substantially reduces the cycles of charging and discharging, the battery life prolonged.
1. Regarding the choice of the float voltage
Float voltage of the battery to maintain the battery selection is key for good and bad. If you choose too high float current is too high, not only increases energy consumption for sealed batteries, but also because of the severe decomposition of a hydrogen-oxygen gas explosion Ershi battery. If you choose is too low, you’ll often charge the battery to accelerate due to insufficient battery scrap.
2. Low voltage constant voltage charge (load balanced) Technology
The so-called low-voltage constant load voltage is the past, the traditional constant voltage charging method, but the difference is that commonly used in low voltage constant average load voltage of each voltage across the battery is 2.25 ~ 2.35V constant voltage. When the release of the battery capacity (A • h) and the electrical potential is low, the burden initially to avoid the charge current is too large, charging rectifiers should have the characteristics of current limiting, he is still in constant current load. When the load in a certain volume (A • h), battery electric potential increases, the load current decreases gradually. This pricing method has the following advantages due to be widely used.
Load current late fee is low, and therefore the amount of hydrogen and oxygen and produce little. It can improve working conditions, lower standard room is applicable to all sealed battery charging method, charging voltage of the supply voltage delay and low power programmable allowing a wide range of supply of equipment power, he can switch off if the normal charge to streamline operations, improve reliability, output voltage of the rectifier the maximum small, can be designed to reduce the weight of the transformer rectifier.

3. Float battery voltage and temperature relationship
It should be noted that in the operation of the float, the valve regulated battery voltage and temperature are closely related float, float voltage should be based on the level of ambient temperature to make the appropriate changes. In the case of shallow discharge, the valve regulated battery 2.27V / C (25 ℃) operating in a period of time is the ability to add enough of their energy in the case of deep discharge, the valve regulated recharge Battery voltage can be set at 2.35 ~ 2.40V / C (25 ℃), limit-point set Q to 0.1, after a certain time (discharging the battery fully charged, after the required time depends on the release power, discharge current and other factors) and add capacity, as - in the normal maintenance operation.
To offset the transaction Chong Chongdian because flow dynamics caused by poor voltage control, the compensation valve regulated battery discharge, and climbed a short circuit caused by a loss of battery capacity should be 2-3 months to complete an additional charge of battery.

Battery Maintenance
1. Low-voltage protection and power cuts, under the second
To this end, require the function of the power system must be comprehensive, as are all filled calendar of pay under the second power, temperature, not having a class such as current limiting, and they must establish a perfect system of electricity supply maintenance.
In addition to synchronization are completed, the daily content of the stack is also very numerous, including protection of low voltage, under the power of the other hand, temperature compensation, no level cap , etc., these measures can not guarantee the use of batteries in good condition, extending its life.
Battery power output when the voltage across its fall when a certain value (commonly called the termination voltage) of the time, we must cut its circuit energy or May because of excessive battery discharge, shorten life or even scrapped. Termination voltage, so that the load to avoid excessive battery discharge cutting action and measures called the low voltage protection.
Second, under voltage protection beyond the limited power. When the battery voltage down to a certain value at both ends (usually higher than the termination voltage) on the broken part of the secondary charge only the rest of the main charge. Later, when the voltage drops to a termination voltage, but also cut the main burden for protecting the battery. Both actions and measures to disconnect the load is under power. Under the second is to ensure that the benefits of the discharge of the battery power at a time, however, can give the power of essential equipment for some time to minimize losses of interruption of communication. If you need to achieve, under the secondary electrical function, which begins when the load dc output must be divided into primary and secondary care, has received the corresponding points on the road. Advanced electric power equipment under the quadratic function is very flexible and can adjustable, the second as the voltage, and not to the second round by virtue of the power and low voltage protection, protection of communication to meet priority needs.
2. Battery Charging and discharging of maintenance
The common law is the normal rate: constant current charging method, a constant voltage method and classification of constant flow method of loading.
Using the constant charging current, charging current is always maintained. In the process of charging, the voltage at the battery terminals increased gradually to maintain stability constant load current, external supply voltage should be gradually increased. With this approach, charging time is shorter, but because of late fees, most of the load current is used for the electrolysis of water, if the batteries will generate a lot of bubbles. This not only wastes energy but also to make a substance very active off the board, so this method uses less.
When using a constant voltage method, external supply voltage is kept constant. Throughout the charging process, because the voltage remains the same, if the pricing right, the load current is very high, with tension growing battery, charge current decreases. Therefore, using this method of charging to avoid over charging the battery, but because of the initial charge, charge current is too large, it may also be damaged plate.
Normal current pricing method commonly used is a constant flow classified method of shipment. When you use this method of pricing, the pricing process is generally divided into two phases: the first step, the rate of load current of 10 hours, it usually takes 6-7 hours the battery voltage alone can be up to 2.4V. The second phase of 20 hours, the rate of charge current until the voltage (2.6-2.8V) for two consecutive hours remained stable so far at this stage lasts about 14-17 hours.

   With sustainable development of Chinese economy, automotive, telecommunications, electricity, transportation and the rapid development of information technology and other industries, has entered a period of strong growth momentum. Sectors Growing demand for batteries, but lead-acid batteries in the manufacture, production, use, pollution and waste in the short lifespan, performance deficiencies are more than the poor to adapt to the environmental protection and technological development. To this end, the majority of researchers over a long period of exploration and development, and finally developed a new generation of batteries — lead crystal. The integrated battery performance has exceeded the level of similar products in the world, and entered the practical phase, marking the battery industry, a revolution in the beginning of the epoch-making significance.

Application of lead crystal battery is a proprietary technology, using high electrolyte conductivity is the traditional lead-silicate-electrolyte battery acid variant complex, non-acid forming process is completed fog in the process innovation. The processes are first of these technologies at home and abroad, the product of the production, use and waste pollution problem is not more consistent with the requirements of environmental protection, because Lead crystal battery to replace the sulfuric acid solution with silicate as electrolyte, thus overcoming the lead acid battery life is short, not high current loads and unloads a series of gaps more in line with the essentials of battery power, battery lead crystal will also power the battery on the field, a tremendous boost.

Battery lead crystal that the lead acid battery has an unparalleled benefits:
     1, crystal lead batteries long life

Lead acid batteries in general charge and discharge cycles are approximately 350 times, while the lead-crystal battery discharge 60% of the nominal capacity is less than the assumed life cycle 700 times, this equivalent to twice the life of lead acid batteries.

     2, high discharge rate performance is good

A special process of making lead crystal cell with high discharge characteristics of rates, generally lead-acid batteries discharge 3C, the largest discharge of lead crystal battery can reach 10C.

     3, the performance is good deep discharge

Depth of lead crystal battery discharge to 0V, to continue to do to restore the total rated capacity, this property is relatively difficult to achieve in terms of level of lead acid battery.

     4, the low temperature performance is good

Temperature crystal of lead from the battery to adapt to a wider range of -20-50 ℃ can adjust, especially in the case of -20 ℃, the discharge may reach 87%. The large number of regions at low temperature is an unusual choice for high quality products.

     5, environmental protection and good

     Lead crystal cells used in new materials, new processes and new formulations, there is no fog of noxious substances, such as volatility, land, rivers, etc. will not create pollution, more consistent with environmental requirements.