Archive for June, 2010

The new electric cars for the Asian

Posted by admin on June 29, 2010
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In the Eighth China (Guangzhou) International Environmental Protection Exhibition on a 12 m layer of pure electric passenger bus attracted a lot of visitors in sight. It is reported that on the eve of the Asian Games in Guangzhou, Zhuhai, a company independent research and development by the production of 10 double-decker bus electric power is expected diverted to Guangzhou aluminum street.

The company in charge told reporters that this 3 new energy electric cars carrying all aluminum design, the main components for the battery, motor and energy conversion control system. New electric car to change the traditional steel body structure, not the main beam using the new aluminum design, reduced body weight, both energy-saving, but also the balance of power battery weight. In addition, the new energy vehicle lead-acid batteries used in not only economic benefits, security,  high performance, wide range of applications, the most important thing is the recovery of nearly 95%.

To travel 270 km daily calculated energy consumption per kilometer of different models are: Chai Yougong Orthogonal 0.45 liters of pure electric buses a unit of electricity; carbon emissions per unit of volume were: Chai Yougong Orthogonal 3.7 kilograms of pure electric bus Car 1 kg. This calculation, compared with Chai Yougong Orthogonal, each electric buses reduce emissions of carbon up to 65 tons per year.

Jiangcheng City battery repair business there

Posted by admin on June 29, 2010
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Battery without the trouble can be solved with. 19, the province the first lead-acid battery repair business was established in Hanyang, will greatly increase the battery life of reuse. “A battery more than a year and it broke,” who lives in Hankou sanyanqiao, often riding the electric car Miss Wang said with a bad battery can only be sold tens of dollars, but for a new battery to 56 100 yuan, almost is half the price of electric cars. Wuhan 12315 Complaint Center statistics, there are 89 complaints related to electric vehicle batteries Dell Inspiron 1100 battery .

It is understood that various types of batteries used in China, the lead-acid batteries the largest share, about 75%, is widely used in automotive, communications, finance, electric power, railway, aviation and other industries. Only, these batteries are usually 1 to 2 years there will be difficulties in charging, capacity reduction and other phenomena, premature failure scrapped.

Lead-acid battery recycling waste has been a worldwide problem fixed. Industry sources, this collection of used batteries scrap mainly hawkers take away, they see the lead inside the recyclable, but the battery drained in acid free. Acid in the zinc, manganese, cadmium and other heavy metals, Dell Inspiron 1520 battery will give the soil and water pollution caused great.

The battery repair business leaders said that they tackled in the past lead-acid battery repair technical problems, repair rate of 90%, to achieve the regeneration and battery recycling.

Solar cell module with independent power supply

Posted by admin on June 27, 2010
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Mitsubishi Electric of Japan listed independent power supply solar modules with “DC series.” Total output power is 5 ~ 80W of five products, battery can be used in street lamps, road marking and use of electric fencing.

The road marking such as the power system with 6V, 5W output power prepared products. Nominal maximum operating power of 5W, the nominal maximum operating voltage of 9.02V, the maximum nominal operating current is 0.55A, open voltage of 11.03V, short-circuit current is 0.59A. Overall size 245mm × 216mm × 16mm, weighs 0.7kg.

Mitsubishi Electric of Japan listed independent power supply solar modules with “DC series.” Total output power is 5 ~ 80W of five products, can be used in street lamps, road marking and use of electric fencing.

Used for road marking the 6V power supply system, etc., to prepare the output power of 5W products. Nominal maximum operating power of 5W, the nominal maximum operating voltage of 9.02V, the maximum nominal operating current is 0.55A, open voltage of 11.03V, short-circuit current is 0.59A. External dimensions of 245mm × 216mm × 16mm, weighs 0.7kg.

Pet of lithium-ion battery electrolyte

Posted by admin on June 25, 2010
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Promotion of new energy vehicles and portable electronic products demand - increased demand for lithium-ion battery - the increased demand for lithium-ion battery electrolytes - optimistic about the growth of related companies.

Lithium-ion battery electrolyte is a battery of important part of the general by the electrolyte lithium salt (mainly lithium hexafluorophosphate), high purity organic solvents and the necessary additives, raw materials, under certain conditions, according to a certain percentage of the preparation is made on the battery than capacity, operating temperature range, the efficiency and safety and other critical; more secure, more stable, long-life lithium-ion electrolyte development and application of electrolyte will be the future trend.

Lithium Ion Battery Market in Japan and South Korea third of the world. Japan’s leading supplier of electrolyte is UBE (basic supply Sanyo), Mitsubishi Chemical, Toyama pharmaceutical industries, the main supply of mainland Japan and some Japanese enterprises in China; Korea, a major supplier of electrolyte is South Korea’s Samsung, the main South Korean local enterprises and supply some of Korean in China; domestic manufacturers, including electrolyte Huarong Chemical, Tianjin Taurus, Dongguan Shanshan, Zhuhai race Wei Electronics, Guangzhou Heaven, Beijing Chong Asia more than 10 chemical companies, whose products include high, medium, low-end market, the basic lithium-ion battery production to meet our needs and some exports.

The promotion of electric cars lithium-ion battery electrolyte to give new impetus to the growth in demand. According to China promulgated the “auto industry restructuring and revitalization plan” by 2011 China will form a 500 000 new energy automobile production capacity, new energy, passenger car sales accounted for about 5% of total sales; by lithium-ion battery market share 80% and hybrid vehicles per 40 kg of electrolyte calculated average of the electrolyte will increase the demand for 16,000 tons, which is equivalent to the current domestic production capacity has been 57.97% electrolyte.

We like the new universe state. Company production capacity of lithium-ion battery electrolytes 1,200 tons / year, the domestic market share, ranks No. 3; company and another 2,400 tons / year (2011 production), 5,000 tons / year (expected by the end of 2012 production) production capacity in the electrolyte construction; expected production capacity of 2013, the company reached 8600 tons of electrolyte / year; if you do not take into account other domestic manufacturers electrolyte expansion plans, the company electrolyte capacity in 2013 to rank first in China. We are also optimistic about the company’s capacitors chemicals. Chemicals company electrolytic capacitors up to the domestic market share of more than 30%; the company is also the only master of the solid polymer capacitor supercapacitor electrolyte chemicals and core technology and industrialization of the production enterprises.

The ninth international Seminar in shenzhen

Posted by admin on June 25, 2010
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June 24th, the Ninth China International Battery Seminar / Exhibition (CIBF2010) opened in Shenzhen. Sony was first exhibited at this exhibition, the latest R & D results - using olivine lithium iron phosphate a new energy storage module. The product has a high output power, longer life and excellent thermal stability, can be used for data server uninterruptible power systems (UPS) or mobile phone wireless base station standby power and other fields. As the energy storage module is highly scalable, can be easily achieved through the parallel or series of high voltage or high-capacity energy supply security also has obvious advantages in terms of the future could be used in broader emerging areas, such as home solar power system’s energy reserves, or the electric car power supply and so on.

Sony 1991 achieved the world first commercial lithium-ion batteries, the batteries last 20 years, business development, has been leading the field of lithium-ion battery technology innovation and product upgrading. Sony take the lead in 1999 to achieve the commercialization of lithium-ion polymer battery to substantially increase the capacity lithium-ion battery and can be adjusted according to the size of lithium ion batteries, the technology innovation is to enhance the portable electronic products, battery life (eg mobile phones, digital cameras, etc.) and make a more lightweight product designs. Close to 2010, Sony sold in the global cumulative total of 3 billion batteries.

CIBF2010 in Shenzhen, the company’s full line of Sony lithium-ion battery products will be on display.

U.S. solar energy research and development of lower cost

Posted by admin on June 23, 2010
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Researchers at the University of Illinois is a silicon wafer by “growing” layers of material, to develop lower cost GaAs thin film solar cells.

GaAs is a semiconductor compound, batetry can be used to produce solar cells, and energy conversion efficiency than the traditional silicon-based solar cells more potential.

Currently, researchers have made conversion efficiency of 25% to 30%. However, high manufacturing costs of the technology is still a great obstacle to commercialization.

The School of Materials Science Engineering and Department of Chemistry, professor JohnRogers, with another professor XiulingLi, is looking for lower cost technology to produce gallium arsenide thin film. At the same time, they also hope to find a common way to make films for the production of a variety of devices.

GaAs solar cell production is usually in a small piece of silicon on the deposition of the compound until the surface of a thin layer. The school’s researchers are changing the way the surface of the silicon layers deposited on GaAs. This structure, the GaAs and AlGaAs thin layer arranged alternately, looks like Americans eat the same school.

“Using this method, we can use a faster speed and less cost, to get more product.” Rogers professor said, “Although we produce only thin, but overall speaking, we produce much more material. ”

“If a 10-layer growth can be thin, it means get the 10 only a thin layer of silicon,” Electrical and Computer Engineering, Professor Li said. “If you use 10 times the growth response, then the reaction process of the installation and removal of silicon, and subsequent heating and cooling, need lots of time. If machines, materials preparation, time and personnel factors taken into account, our method can greatly reduce production costs. ”

The study group in the journal Nature published a paper to clarify the process can be used for three kinds of devices - light sensors, high-speed transistors and solar cells. They will also make this material compared with other materials.

The authors, two were the company’s scientists are Semprius. The company is located in North Carolina, is an emerging business goal is to use the technology in the study group to produce solar cells.

The lithium ion battery of new electrode materials

Posted by admin on June 22, 2010
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American University in Mechanical Engineering and MIT materials science and engineering researchers in the June 21, 2010 announced the development of a lithium-ion battery with a new carbon nanotube electrode material, which is based on nanotubes surface functional groups of the oxidation-reduction reaction. The electrode a few microns thick, allows reversible lithium storage capacity of up to weight of 200 mAh g-1 electrode, also available electrode power 100 kW kg -1, cycle life of more than several thousand times the performance and electrochemical capacitors can be comparable to the electrode.

    Stacked layer assembly for the electrode, the electrode was in no additives, high density and function of the composition of multi-walled carbon nanotubes. The facility to use carbon nanotubes as a cathode electrode, lithium titanium oxide as the anode, the weight of energy than conventional electrochemical capacitors to 5 times higher than the power output than conventional lithium-ion batteries 10 times.

    Its performance due to good electrode conduction of ions and electrons, and the nanotube surface and efficient lithium storage.

    Although this electrode can be used in small portable devices at first, but further research will be used for larger applications

Research means of extending laptop battery life

Posted by admin on June 22, 2010
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Researchers at the Massachusetts Institute of Technology believe they may have found a way to dramatically increase the longevity of laptop and mobile phone batteries . The scientists believe that by replacing the electrodes used in normal batteries with electrodes plated with carbon nanotubes, it may be possible to significantly improve the power to weight ratio of the battery. The result could be dramatic, with the potential to enhance the longevity of batteries in mobile phones, netbooks and notebooks by as much as ten times.

The batteries can last longer as a result of the carbon nanotube batteries being able to store more oxygen groups and being more porous, meaning the battery can contain a larger number of lithium ions. At present, carbon nanotube production remains limited to niche suppliers, but several companies are believed to be preparing for mass production of the material.

Computer manufacturers have long since been attempting to find ways of enhancing battery performance without compromising the portability of laptops, while the recent advent of more advanced mobile phones has broadened the usefulness of this latest finding.

Development and production of new thin film solar cells

Posted by admin on June 18, 2010
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The batteries feature film to do, let us think of the Advanced Technology recently interviewed, focus on the metallurgical industry, the company, like other new energy business of the warrior keen, as early as in 2006, thin film solar cells on the involvement of the business.

Advanced Technology with a German solar energy companies involved in the development of new thin film solar cell production, in 2009 the two sides plan to set up thin film solar cell joint venture project, but has yet to be fulfilled because the company plans to change the battery in the film’s target rate of 7% after another joint venture, but this target has not yet reached.

In fact, similar to Advanced Technology so that the main industry is not photovoltaic cells, but in that year’s investment boom in the cell membrane to join the business at not unusual. The largest manufacturer of home textiles Vosges shares, said the end of June this year, the company’s thin film solar cell project will start production.

At that time the price of polysilicon high, the cost of thin film battery can do 40% of crystalline silicon cells, in the eyes of many, thin film battery is a kind of innovative technology, is expected to replace the crystalline silicon cells, thus driving business investment boom not difficult to understand.

But with the decline in the price of polysilicon, thin film crystalline silicon solar cells and the cost of narrowing the gap to 20% of the whole, compared with crystalline silicon thin film battery cell is not an advantage.

In fact, the thin film battery production line start-up capital is not a small sum. Although these companies pursue new technology and new opportunities in the spirit of commendable, but the face of unpredictable market environment, a new technology or to ponder underwent. After all, every birth and development of new technology will not be so smooth, unpredictable prospects for industrial technology course, even the “expert in” all makes mistakes. Of course, if do not want to miss opportunities, should also be wise to clear its own power and ability in the subject to make appropriate business decisions.

Having said that, whether it is crystalline silicon or thin film technology, in the past few years, the rate of technological progress are not too much surprise. According to industry sources, from the mainstream crystalline silicon solar technology, the past five years, no significant advances in technology, the mainstream of plant cell conversion efficiency is increased by 1 percentage point. United States, a conversion rate will be higher than the mainstream works about 3 to 4 percentage points, but the cost has increased accordingly. Look thin film battery, though, includes a variety of techniques such as cadmium telluride routes to choose from, but its conversion rate or difficult to upgrade, or held back by resource supply, either still at the laboratory stage, the development of resistance is clear.

The current technical condition and the other factor, assertion silicon thin film battery cell and who is more promising fair enough. Entered the crystalline silicon thin film battery or batteries, “long”, are not anxious or depressed Fortunately, as the price of polysilicon soaring then staged a dramatic fall, the market environment are constantly changing, the market participants, it should be done is to more closely the forefront of industrial technology, how to see the winds of technological innovation and even contribute to a technological innovation. Not hard to imagine, if the thin film solar cells, Advanced Technology and rapid technological breakthroughs, the project will contribute to the company’s performance is self-evident.

Therefore, rather than in the photovoltaic industry left halfway line, and what technologies play the “bickering”, not as focused on technical research, to fully participate in market competition to reduce costs, improve efficiency, after all, the cost of any attempt, There are risks. If the business understands its needs, the full expectations of future targets, based on their actual decision to do so will not go too many bends.

Platinum Yang solar

Posted by admin on June 18, 2010
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Platinum Yang solar resume trading yesterday, shares surged more than 3 percent once the maximum to see 0.91 yuan, mainly because the company announced that private clean energy generation and the Mainland Chinese enterprises signed a sales contract can be controlled, can sell to the Chinese totaling 2.55 billion U.S. dollars (about 19.8 billion Hong Kong dollars) of thin film solar module production equipment. In addition, the Chinese will be able to subscribe for 1.17 billion Hong Kong dollars Solar Platinum Yang about 49 million shares, representing Platinum Yang has been enlarged share capital of 51.5%. In other words, Han Yang can be a big addition to platinum customers, will be the majority shareholder.

Platinum Yang formerly engaged in toy business, red hair group, to 4.18 billion yuan in October last year bought a company engaged in manufacturing thin film solar PV module production line of specialized equipment and the company’s 80% interest, which involved transformation of solar energy business, as its main business for the PV component manufacturers to provide equipment and production lines, so could that be in the upstream industry.

In fact, want to talk about today is thin film solar cells, solar power system has three type of batteries, including crystalline silicon, thin film and concentrator, which is the mainstream crystalline silicon, such as silicon and polysilicon. Polysilicon Zengyin demand, prices have been pushed up to 500 U.S. dollars / kg, has dropped to about 50 U.S. dollars / kg.

Although solar energy is considered clean energy, but the polysilicon refining process is energy-intensive and high pollution. The principle of thin film solar cell is made of a layer of thin film solar cell, the silicon is extremely rare, or do not use polysilicon, it can reduce the production costs and reduce pollution.

Thin film solar cells available for some time actually, but because of the low photoelectric conversion efficiency than silicon, so I did not universal, but as technology advances, photovoltaic conversion efficiency has been more than two years ago to upgrade 30% to 40%. According to statistics, in 2005 the total solar thin film solar cells, cell capacity of only 5% last year, its share has more than 20%. Thin film solar cells is becoming increasingly popular, will limit growth in demand for polysilicon.