2012年7月16日星期一
Rechargeable Laptop Battery Basic Knowledge
Ni-MH battery memory effect, but no obvious nickel-cadmium batteries.Memory effect is most obvious is a lithium battery.The memory effect is not obvious means can be recharged many times, even every run out of charge without playing too.Use nickel-metal hydride batteries, generally can not consider the discharge and direct charging.Of course, from the point of Dell Inspiron 1525 Battery view to extend the service life, in charge and discharge about 30-50 times, you can do a deep discharge, in order to restore to the maximum capacity.
The discharge is not as AUDIOPHONE said, then a small light bulb, until light can.To do so tend to over-discharge, but hurt the battery.We all know that a nickel-metal hydride Dell Inspiron 13R Battery rated voltage is 1.2V, in just fully charged when the actual is more than this value, generally between 1.4-1.5V.With use, the voltage will gradually reduce in general use occasions, when the voltage is lower than 1V, it basically can not be used, for example, the WALKMAN CD DISKMAN, MD, MP3, the DC and so on.You can test "run out of power the Dell Inspiron 14R Battery voltage.
If you are using the occasion is a low voltage, small current will continue to discharge.We are talking about the depth of discharge generally refers to the voltage down to 0.85V-0.9V.Low voltage, low current discharge to achieve this value, the nickel-metal hydride batteries (nickel-cadmium) can be restored to the maximum Dell Inspiron 15R Battery capacity and prolong life.But if it continues to discharge below 0.8V is likely to cause irreversible damage to the battery, but is affecting the battery life.This is the reason why method of AUDIOPHONE is not recommended, because you can not control voltage to automatically stop a certain value.Similarly, the nickel-cadmium Dell Inspiron 1440 Battery and nickel metal hydride batteries are not recommended for remote control small current appliances.
Due to the different characteristics of nickel-cadmium batteries and nickel metal hydride batteries, so leaves of different preservation methods.Nickel-cadmium Dell Inspiron 1750 Battery to run out of power to save, so we had to buy a new nickel-cadmium batteries is the basic power needs its own weight.?In general, the correct method of charging, probably need to charge and discharge 3-5 times in order to restore the battery to the best condition.Ni-MH battery before long-term preservation, it should be charged to about 80%,this will be counted and then save.This is why buy a new nickel-metal hydride batteries came back somewhat the Dell Inspiron 1564 Battery power of reason, because the manufacturers have pre-charge, to prevent the transport turnaround time is too long, while the battery is affected.When long-term preservation of the nickel-metal hydride Inspiron N4010 Battery, first I run out of power, then the correct way to charge and discharge 2-3 times can be restored to the best condition.
2012年7月11日星期三
IBM conventional materials to produce solar cell technology
IBM scientists are studying the development of solar cells with conventional materials. The researchers published in the Advanced Materials journal, said it was possible with conventional materials, a relatively efficient way to manufacture solar cells. This battery can be 9.6% of solar energy into electrical energy, the photoelectric conversion efficiency is 40% higher than the current technology. This conversion efficiency much higher than the silicon Inspiron 1501 battery on the market, and even comparable with the efficiency of thin film solar cells. IBM uses conventional materials to manufacture solar cells, such as copper, zinc, tin, sulfur, or selenium. IBM said the rare materials used in existing solar technology has limited its development.
Solar, Inc. announced that the cadmium and tellurium manufacture of thin film batteries. GE also plans to begin selling early next year, cadmium telluride materialInspiron E1505 battery . Some small companies like Nanosolar, Miasole and HelioVolt in the production of copper, indium, gallium and selenide alloy material of solar cells.
IBM scientists Teodor Todorov, Kathleen Reuter and David Mitz, the shortcomings of these cells is either very scarce raw materials used in, or impact on the environment. This means that these batteries need to consider the cost of environmental protection. Thomas Theis, director of physical sciences at IBM TJWatson Research Laboratory, said: "equal efficiency for Inspiron 1520 battery materials contained either very expensive or environmental impact, or further enhance the efficiency of space, which makes commercial and large-scale popularity has become very difficult.
Compared to conventional batteries, the advantages of thin film batteries is the use of the material is relatively small. IBM solar cell can use high-speed manufacturing latitude e5400 battery technology to produce, such as "rolling manufacturing technology" roll-to-roll manufacturing U.S. National Laboratory for Sustainable Energy Fellow, Matthew Beard, participated in the IBM project, it will this technology become a "breakthrough".
The scientists expect that if the technology can achieve a breakthrough, you can get 12% of the photoelectric conversion efficiency, and thereby on the economicprecision m2400 battery cost to completely replace the existing solar products.
2012年7月5日星期四
ZTE Company Competition for orders with Alcatel-Lucent
ZTE finally broke the deadlock domestic equipment manufacturers to expand the Indian market. However, the price war clouds have not dissipated, the profit margins are still a major test equipment manufacturers.
According to reports, India's state-owned telecom operator Bharat Sanchar Nigam Ltd. (hereinafter called "BSNL") announced that 14.37 million line of network expansion equipment contract was awarded to ZTE and Alcatel-Lucent, the estimate of contract value of about 60 billion rupees ( $ 1.09 billion U.S. dollars).
BSNL third expansion tender. BSNL on the last tender is the company's 45 million-line network expansion in 2006, and subsequently reduced in 2007 to 14 million lines. Since then, the Dell Inspiron 1545 battery company in 2008 to issue 93 million lines and 5.5 million in 2010-line bidding, but later the two tender was canceled.
According to the Wall Street Journal reported that the equipment manufacturers involved in the tender in addition to ZTE and Alcatel-Lucent, Huawei, Ericsson and Nokia Siemens sources, ZTE's bid for $ 840 million, while Huawei 1.3 billion U.S. dollars, Alcatel-Lucent $ 1.8 billion, Ericsson is $ 2.3 billion, Nokia Siemens is a $ 2.5 billion.
After the end of the bidding, several equipment manufacturers in addition to ZTE said it could not accept the offer of ZTE, and plans to quit competing. A Huawei said, "this price is technically feasible. In fact, if Huawei refused to participate in devices ZTE's price means that BSNL will once again re-tendering.
However, from the Inspiron E1505 battery final results, Alcatel-Lucent to accept this "harsh" price. BSNL, a top executive said, Alcatel-Lucent and ZTE's bid is the same.
BSNL in the past two years has been the expansion of mobile networks, and with two other rival Bharti Airtel Ltd. and Vodafone India Ltd competition to ease the pressure on the market share. As of the end of March 2012, BSNL accounts for 10.72% of Indian mobile phone market share has more than 98.51 million subscribers. BSNL throws in recent years are very large orders, but the price is also very harsh.
Before the Indian authorities on grounds of "security issues" start survey of Chinese equipment manufacturers such as Huawei, ZTE, a serious delay the progress of the whole tendering now appears that this "stalemate" is being gradually break down.However, according to the Government of India, the safety of operators, large orders must require at least two or more latitude e5500 battery suppliers, and at the same time, the final orders for equipment manufacturers to provide equipment to the lowest price in the bidding process, if you can not meet the above conditions, will face the "bids".
For ZTE, this order of BSNL will help its improved significantly in the Indian market share, ZTE said in the notice of the local, the order will help BSNL to expand mobile phone network capacity, allowing BSNL in India's northern and southern New 10.15 million customers. For Alcatel-Lucent equipment market operators continue to be squeezed, this order is not a small "gains".
Order behind only the dell d410 battery profit margins of the equipment manufacturers presented a major test, ZTE's 2011 revenues increased by 23.39%, but net profit fell 36.62%. The first quarter of 2012, Alcatel-Lucent's revenue fell 12 percent to 3.21 billion euros, the operating loss widened to 289 million euros.
2012年7月1日星期日
The irreversible trend of development of automobile industry
The electric car has become an irreversible trend of development of automobile industry. In recent years, international auto giants are on the electric car to be great concern, the United States, Japan, Europe and other countries have to develop electric vehicles as a national strategy of the electric car industry as a strategic emerging industries, the development of electric vehicles have outside the Inspiron 1545 battery industry is generally accepted that the process of electrification of the car faster and faster. However, no success stories to draw on, can not be tight step the footsteps of the developed countries, China's electric car road how to walk?
As long played in the traditional automotive technology innovation to catch up, to imitate the role of the lack of confidence and experience of the first innovation, combined with long-standing neglect of basic research, technical innovation is not strong, if it continues to go to imitate with the introduction of the road, do not have the key technology, will once again lose at the starting line of a new round of competition. To this end, we should further increase investment in science and technology, and strive to achieve a breakthrough in core technology of electric vehicles. Such as the strong support of the Inspiron 1525 battery , the vehicle motor and control technology, vehicle control systems and electrical components and other key technologies and common technologies research and development, and strive to control the number of core technologies.
Compared with other transition types of vehicles, extended-range electric vehicles in terms of energy efficiency, price, ease of use has obvious advantages, while reducing dependence on the Inspiron 15 battery to extend battery life, but also the stereotypes of generating units, reduce costs. The short term, extended-range electric vehicles can be used as a focus on the development of the models.
Although pure electric bus purchase cost, high investment to build charging stations, zero-emissions pure electric bus in the city using a wide audience, and not have to spend oil resources, national and local cities should actively support the development of electric vehicles in the class reduce manufacturing and operating costs.
Hybrid car because of the structure is complex, expensive, fuel economy and emission reduction effect is not obvious, and China do not have the core technology of the internal combustion engine Inspiron 1720 battery power system, not invested heavily in research and development.
The early use of electric vehicles relying solely on government subsidies to expand the market is difficult to achieve economies of scale. Multi-pronged approach, innovative business models is necessary. Such as: sales without the electric car battery pack, battery lease, in order to significantly reduce set the cost of the early users. The battery is placed under the unified management of the energy supply system, responsible for cell procurement, performance, maintenance, professional services, such as by specialized companies. Promotion of trade-in battery, and echelon, improve the service life of the dell laptop battery life cycle. Necessary supporting facilities, outlets, and to lift the user to worry about the electricity supply. Installments, low-interest loans and give preferential treatment to the car mode, relieve the pressure of the one-time investment of consumers. There is also the priority channel for electric vehicles, the popularity of tariff segmentation billing.
With the continuous improvement of the country car "quality, security, its scope will continue to expand. The development of such "conditions car" can promote the gradual improvement of the key components of the battery, motor and other technology advances and related facilities; should support strong enterprises to enhance their R & D capabilities and master the core technology, reasonable guidance "conditions car" developments. Also respond to national conditions car "to give policy and funding support, it is survival and development of space make it a number of problems can be solved through technological progress.
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