Apple iPhone design changed

Apple iPhone design changed

EU issued a new directive passed to force Apple to change iPhone battery design

Oct. 8 news, the EU is considering requiring all cell phone battery must be able to be easily replaced. This requirement may cause Apple iPhone cell phone problem.

AppleInsider site found that the British trade publication the "new electronic" to an article published in the European Union is considering a number of regulations on the computer industry. A few years ago with the enforcement of RoHS (Reduction of Hazardous Substances) Directive requires the computer industry in the production process to cancel harmful chemicals and / or hazardous materials, the EU is considering taking on a new battery directive.

The new battery directive will require manufacturers to ensure that they are easy to replace the battery, or by sliding the battery compartment cover or by removing a few screws can be replaced. Of course, iPhone and the iPod does not fit this requirement. Apple requires users to Apple's iPhone and the iPod to replace the battery. The battery of these products are below the main circuit board.

Currently, these commands is quite vague, unclear whether the iPhone caused a major change in design. As AppleInsider site pointed out, the idea of this directive is to prevent the battery thrown wild. If Apple can show it to the EU battery replacement program prevents that result, Apple may be able to meet the requirements of EU directives.

However, according to the "new electronic" reported that the proposed instruction does require the design to ensure that the battery can be easily replaced.

Built in Fujian's first solar cell production line

Recently, Nanan City, Fujian Crystal Light and Power Company Limited of 25 three-megawatt solar photovoltaic cell production line installed and officially opened. The line is Fujian's first self-designed solar photovoltaic cell production line, covering the upper reaches of the solar photovoltaic industry purified polysilicon materials, silicon rods stretching, slicing, solar panel manufacturing process.

It is reported that Fujian has photovoltaic industry as a key to fostering a new industry planning, Nanan City in August 2007 plans to build a high starting point optoelectronic information industry base. The base has been included in Fujian Province, the "Eleventh Five-Year" special plan for the information industry, the base land use planning 7.5 square kilometers, all built in 2020.

Construction of a 2.3 sq km land use planning, focusing on the development of photovoltaic and LED and other optoelectronic information cluster, with a total investment of nearly 1.8 billion. Base year will be completed for an infrastructure, and ensure the realization of 2009 and other four companies of polysilicon production projects and two projects part of the earnings pre-production, actively promoting the three assigned to the project have been signed as soon as floor building, expected to be fully put into production years.

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Solar prospects

Solar prospects

According to foreign media reports on December 9, as Suntech (NASDAQ: STP) shares have fallen sharply recently emerged, and the solar energy industry is very promising, it is very likely Suntech acquisitions by other companies.

At the same time, many solar companies also hope to start expansion plans in the coming years. For example, Sharp plans to invest 2.6 billion U.S. dollars to the Italian joint venture plant to meet growing demand for solar panels. And Suntech also through the acquisition of EI Solutions U.S. solar companies to enter the U.S. market. Suntech expects its 2009 sales in the U.S. market will reach more than triple.

As the Chinese government will be in renewable energy and great long-term investment, so much easier Suntech to attract the attention of the other giants. It is reported that in 2020, the Chinese renewable energy consumption will reach 15% of total energy consumption, while the Chinese government has also pledged to total investment in this area in 2020 reached 180 billion U.S. dollars. Thus, Suntech's market potential is enormous. While taking into account the current stock price Suntech is significantly undervalued, so there are two companies likely to bid for.

The first potential buyer is the Sharp. Sharp always wanted to quickly penetrate into the solar market in Europe and China. Suntech acquired the company can provide a shortcut.

The second is the U.S. photovoltaic cell manufacturers First Solar. The company's major U.S. and European market for solar panels, Suntech acquired will help them quickly into the Asian market.

The price of solar cells will be reduced by 2010 over 40%

Beijing-Tianjin inter-city "Dragon Fly" According to the American people think tank, the World Institute and the Prometheus Institute for monitoring of forecast, by 2010, solar cell prices reduced by 40% or more, and become a major power generation means. World solar cell market in 2000 after the rapid increase of 6 times in a single year of 2006, an increase of nearly 50% over the previous year. So far, Germany and Japan as the center of the market in the future will be Spain and the United States. Silicon with a number of years is probably less than can be solved, present, many manufacturers have to reduce the cost of production, 2010 is expected to be reduced by 40% or more.

The silicon raw material shortages and price increases, promoting the efficient use of silicon technology and thin film amorphous silicon solar cells or the development, projected to reduce costs. Thin film solar cells has caused the "Silicon Valley" venture capital department's concern with the existing method of using different modes of production is expected to a large number of low supply. Report that in the near future, solar cells can be fully competitive with the existing electricity prices.

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Enhance the quality of residential solar power

Enhance the quality of residential solar power

November 20 -23, the "Seventh China International Housing Industry Exhibition" in Beijing Exhibition Center. In addition to exhibitors and real estate enterprises, one of the highlights of this year is well-known seasonal songs, Mu solar energy enterprises have appeared. In the current global financial crisis tremendous business opportunities in new energy industries, and become more active and attractive.

According to the reporter learned from the field, as a new energy industry representatives, one of the Four Seasons song Mu solar energy, in this live performance at Bo particularly eye-catching. Mu-song Four Seasons has long been focusing on product technology reform, and promote solar power industry, border-free integration in order to "green" philosophy, and actively promoting and building integrated solar technology development, is a positive development of green energy businesses.

Mu Li Jun Song Four Seasons vice president of marketing, said: Fair theme this year is one to live "energy saving and reducing consumption," energy conservation is the trend away from environmental degradation of our lives is getting closer, the Four Seasons song hope Mu Through these efforts, promote a green lifestyle, so that we can toward the future direction of green and healthy.

With the global depletion of fossil energy in recent days and in recent years, rising international energy prices, greenhouse gas emissions due to the growing problem of climate, the world regarded the future energy strategy aimed at the new energy. In today's increasingly serious financial crisis, new energy and renewable energy will likely be the next gold mine. Pattern from the perspective of energy, new energy is a general trend to replace traditional energy sources.

According to the World Economic Forum, Davos Forum in Tianjin in 2008, posted on the "global growth at risk" report, 2007 Global investment in clean energy industry totaled 140 billion U.S. dollars. 2012 is expected to reach 450 billion U.S. dollars in 2020 to more than 600 billion U.S. dollars. Meanwhile, new energy and renewable energy and energy efficiency projects become more attractive, and the corresponding investment is increasing.

Chinese solar energy industry in the new walk in front of other industries, China has become the world's largest production and use of solar water heaters States, solar water heaters to maintain accounts for the total world Qicheng VI. At the same time, more and more high-tech research and development and use of solar energy products began. This year won the "500 most valuable Chinese brand" companies such as Four Seasons song Mu rapid rise of China has greatly enhanced the efficiency and progress of energy saving. Energy use in the new China come from behind, has become a solar energy power.

Deputy General Manager of Four Seasons songs Mu Li Jun said: The international financial crisis on the Four Seasons songs, Mu little effect on solar energy companies, the four seasons due to the rapid development of Mu song technological innovation and upgrading, "We will continue to increase technology R & D efforts, to strengthen and optimize the management. "Li Jun said," Enhancing strength is the best way to resist! "

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Spain battery export fees to be charged back to specific

Spain battery export fees to be charged back to specific

Spanish exports to charge special battery back the charges. Reporter learned yesterday, Spanish used battery recycling laws come into effect this month.

Under the Act, the Spanish battery manufacturers and importers must set up collection points, processing fees paid to the way public finances in the recycling of used batteries, and provides the relevant departments should adopt the most advanced technology for environmental recycling of used batteries treatment. Act set the recovery rate of used batteries: 2011 should reach 25%, 45% in 2015, covering recycling batteries, batteries, industrial batteries and other types of waste batteries.

In addition to Spain, the EU has also developed similar regulations. May 2 this year, the EU adopted a directive requiring mandatory recycling of used batteries, recovery of costs borne by the manufacturer. From 2009, all batteries sold in the EU must identify the specific service life.

Ningbo, there are hundreds of battery manufacturers, the export volume of over 2 billion, while the battery into the European Union accounted for three percent. Ningbo Electrical and Electronic Laboratory experts pointed out that the battery export enterprises should pay close attention to research and development of mercury-free, non-cadmium batteries of new environmentally friendly alternative to traditional batteries, and should set up a joint study abroad recovery system research and development of safe disposal of used batteries and recycle use of new technology.

Solar cell and the second International Training Course on Application of Technology opened in Nanjing

October 12, 2008, sponsored by the Department of International Cooperation Ministry of Science, Electrical and Power Group, the second hosted application technology of solar battery and electrical power in the international training course in Nanjing Science Park opened. From Southeast Asia and Africa, 20 participants will attend the training.

In the 14-day training period, trainees will be in the national electrical power under the leadership of PV energy experts to discuss and study of photovoltaic technology, knowledge, research and development of solar cells in particular, how to reduce losses and improve cell conversion rate how to optimize the production process, how to spread too can use and promote solar energy battery from the main supply of energy to energy conversion, the training mainly in technology-based workshops and actual production.

And application technology of solar cells is the international training courses organized by the Ministry of International Cooperation Department, specifically for developing countries in international training programs to developing countries to understand and become familiar with the development of photovoltaic industry, jointly address global energy issues, and to construct harmonious future.

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New silicon solar cells

New silicon solar cells

Recently, the University of Illinois at Urbana - Champaign (University of Illinois at Urbana-Champaign), John Rogers (John Rogers) led scientists have discovered a new high-efficiency silicon solar cell production method. This approach produced highly flexible silicon solar cells and scalability, you can roll a pencil, but also may even be as transparent windows of the building and automotive glass coloring agent.

Published in the online journal "Nature - Materials" (Nature Materials) said in a report on, you can use a new approach to traditional silicon processing, about fine crackers, cut into thin fragile silicon micro- wafer, then carefully transfer them to another extension of a flexible material surface.

Rogers, a leader in the new study, said: "We can be confused super-thin silicon wafers, can be attached to any of the plastic curl. Wafers can also be made into film or film-like, mixed with the glass in the building. This building material into the space utilization of solar energy development platform. "

As global oil prices, coupled with fears of global warming, greatly increased the demand for solar cells.

Many companies in the world, the Japanese consumer electronics manufacturers such as Sharp Corporation (Sharp Corp) and the German solar giant Q Battery Company (Q-Cells) are produced thin film solar cells, however, these thin film solar cells convert solar energy into electricity in the generally less than on the efficiency of traditional solar cells.

Rogers said that their technology is used in conventional silicon, they are "durable, high efficiency, but the current situation is too rigid and therefore seems very fragile." Rogers they adopted a method of dealing with these silicon etching. Silicon surface in a large scrape small pieces, these pieces of silicon wafers thinner than thin 10 times to 100 times, and because the small size and easier to use.

After the silicon debris scraped off with the equivalent of a "rubber stamp" of the device picks up the pieces, and then they are "printed" to the surface of other substances.

Rogers said: "These silicon debris scraped off like ink. Scraped off after the large thin pieces of silicon wafer surface to become a 'stamp pad'. Only with the 'seal' will 'stamp pad' in the silicon debris 'Indian' to other surfaces can be. "

He said that as long as the final step will be to use electronic equipment in the power of solar cells derived on it.

Improve the flexibility of silicon material makes the silicon solar cell is more lightweight, easy to carry. Rogers for the bright future of silicon solar cells will be "rolled up like a carpet can be stuffed into the truck."

He said the newly established North Carolina, Durham County, Semprius company is negotiating up the technology.

Rogers said: "We just use a different way of things we have known."

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300W portable fuel cell power

300W portable fuel cell power

Mitsubishi Gas Chemical display 300W portable fuel cell power unit power density up to 130m/Wcm2

Mitsubishi Gas Chemical Company in September 2008 10 to 12 at Tokyo Big Sight International Exhibition Center at the Fifth ECO-MAnufacture2008 (manufacturing environment and energy countermeasure development / technical session), exhibited a fuel cell portable power devices.

Built-in active mode of direct methanol fuel cell (DMFC), the output power of 300W (AC100V). 4L fuel tank can work for about 8 hours. Dimensions Width 380mm × depth 450mm × high 300mm, Dry weight of 22kg. Fuel concentration of 54% methanol solution.

Electrolyte membrane by DuPont (DuPont) the production of solid polymer membrane "Nafion", in the catalyst layer, electrodes and separators such as the formation of the self-developed technology. The shape of the fuel cell stack size is 120mm × 120mm × 125mm, 40-unit stack, heavy 3.9kg. Although the use of the sensor and pump control the reaction of the fuel supply and water recycling initiatives and other means of fuel-cell power density is as high as 130mW/cm2.

NHK Hitachi who have a similar trial of direct methanol fuel cell portable power. And in July in Hokkaido Toyako Summit in practical application of live news (see site report). Its weight is only 6kg, the output power 100W, continuous use time of two and half hours (the concentration of fuel for the 500mL 40% methanol solution).

Electric wheelchair for Suzuki

Mitsubishi Gas Chemical, said the company began many years ago and Suzuki Motor Corporation jointly promote the use of the fuel cell development for electric wheelchairs. As slow electric wheelchairs, 300W power supply can drive around. When using the original battery, users often worry about battery power, but if the use of fuel cells, you can no longer have this worry (4L fuel can travel 60km). However, there is no market, still in the feasibility study stage.

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Energy-saving environmental protection lithium battery set off craze

Energy-saving environmental protection lithium battery set off craze

With the constant fluctuations in international oil prices, energy saving environmentally friendly lithium battery in the limelight once again a hot topic. From 6 months, the number of international auto companies and electronics companies are using large-scale lithium battery joint investment. Including Toyota and Matsushita, Nissan and NEC, the public and Sanyo, Bosch and Samsung, they believe that lithium batteries in the coming years will gradually replace the nickel-metal hydride batteries, lead the direction of development of hybrid vehicles. Lithium in the heat of global investment background, Chinese automobile enterprises in this area of research is what kind of? Experts on the lithium battery is holding what kind of attitude? Recently, the reporter interviewed specifically on this issue who has studied the domestic lithium battery several experts.

Mercedes-Benz vehicles using lithium batteries technology

China's iron phosphate lithium battery research breakthrough has been made

Lin Cheng told reporters, demanding automotive lithium batteries. It requires the use of vehicles in a variety of conditions, must protect the security, there could be no fire or explosion. The first is the impetus for electric vehicle batteries, in this country has made great breakthroughs have begun to take industrial scale. But 5,6 years ago, with the battery electric vehicle accidents often occur, so the battery also gradually be diluted. Now, the domestic lithium battery research and progress rapidly, especially in the battery safety issues, has made great progress.

Lin Cheng told this reporter lithium batteries include lithium manganese oxide and lithium iron phosphate batteries. Currently, the development of the domestic lithium manganese oxide has begun to take shape. Lithium iron phosphate as higher security, longer lifetime, will become an important direction for future development of lithium batteries is also the vehicle of foreign R & D focus. At present, the domestic iron phosphate lithium battery studies are progressing well, especially in some of the patent on a breakthrough, the bus provided by the Beijing Olympic Games is to use self-developed lithium iron phosphate lithium battery.

"Of course and study abroad, compared to the lithium batteries, the domestic lithium battery research still a gap, but the country's emphasis on increasing lithium batteries, the next will be R & D focus." Lin Cheng told reporters.

Large-scale lithium batteries for electric cars need some time

Henan Huanyu Group is a battery from the battery to the plastic parts and related hardware battery manufacturing, equipment manufacturing, electronics manufacturing, a complete industrial chain of Enterprise Group, has undertaken the project of Science and Technology Li-ion battery research and development.

"At present the domestic lithium battery research and foreign, compared, the difference is mainly reflected in the cell's control system and power management systems." Deng Lun-ho right told reporters there is Guonei on battery research is at Gezi developed state. Currently, some companies have been able to provide the corresponding lithium battery electric vehicle accessory products, supporting the general lithium battery cover 200 to 500 km.

Deng Lun-ho told reporters that high prices are the domestic lithium battery, power management system problem has not yet been resolved. Charging electric vehicles also face the problem. Currently, the general line at home can not charge lithium batteries for electric vehicles to be equipped with a small charger, and charging time is very long, very troublesome. Abroad, in order to solve this problem, generally regard the charging stations and gas stations together. Domestic battery charging station is not built up a large scale.

Deng Lun-ho believes that the current consumer acceptance of electric cars with lithium batteries up there difficulty: "the price of a conventional electric vehicle is about twice the same configuration or even higher gasoline locomotives, domestic consumers have not yet sufficient economic prepared to accept the power and electric vehicles. "

Lithium iron phosphate promising prospects

The boy to reporter, electric vehicle battery research and development experience from the lead-acid batteries, nickel-hydrogen battery to the development of lithium batteries, each battery advantages and disadvantages.

Lead-acid battery to get the first, using the longest time, is battery series. The safety performance of the best lead-acid batteries, rare explosion, fire and other phenomena, but not too attractive for energy storage. Later, people developed the nickel-hydrogen batteries, storage energy and power than the effect of the ideal lead-acid batteries, but due to Ni-MH battery charging hydrogen generated in the process prone to explosion, so Ni-MH battery in business may or may not state.

To the year 2000, people have developed a lithium battery. Lithium batteries are lead-acid batteries store power for 2 to 3 times, but because it contains a lithium-ion active in the metal layer surface, prone to spontaneous combustion in the air, explosions, etc., are at higher risk. So now the main national research and development on lithium to control its security and stability.

"A rechargeable lithium battery can probably around 1000, in which storage iron phosphate lithium battery is better than lithium cobalt oxide and lithium manganese oxide effects worse, but it's the best safety performance, than the lead acid battery energy storage much higher, so now the most favored lithium iron phosphate. "the boy said.

The three problems of domestic lithium battery research

Quan-Shi Chen said in an interview: "Now the state attaches great importance to research on lithium batteries, '863 'project, the state invested 66 million yuan, all for the lithium battery research and development. We are with Japan, the United States walk in the lithium battery research and development such as the forefront of developed countries, China lithium battery manufacturing precision, equipment, standards development lags behind the details. "

Quan-Shi Chen told reporters that at present there are three issues of domestic lithium battery research. The first is the consistency of manufacture. As in lithium battery manufacturing process and equipment gaps, making the production process mixed domestic lithium battery manufacturing standards also fail to consistency. Li-ion battery electric vehicles are used in series or parallel with, if the consistency issues are not well, then the large-scale production of lithium batteries also can not be used in electric vehicles.

Second, intellectual property rights. Currently in the iron phosphate lithium battery research breakthrough has been made, but because of U.S. patents in this area, so although we have some links to independent research and development, but in intellectual property issues, but also do not know how to respond.

The third issue is the selection of raw materials. Now the raw materials used in lithium battery production can not all imported, mainly from China, but domestic raw materials, through international certification, production of the lithium battery in order to be internationally recognized, so part of the certification of raw materials still exist some problems.

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