NAS battery system and Solar cells

Japan insulators EDF will supply 150MW of NAS battery system

Japan and France insulators on power companies to establish long term cooperative relationship, 5 years, total supply of 150MW of NAS (sodium sulfur) battery system to achieve the basic intent. This is to make the French power company (EDF) Group, engaged in renewable energy business, the new energy company EDF (EDF EN) plans large-scale solar power (MW solar) and wind power to achieve stable output.

Specifically, from 2010 to 5 years beyond the territorial sea and to the French Mediterranean island, the power system more vulnerable, Europe and the U.S. supply. Japan insulators and EDF set for the presentation and natural energy power generation systems, has been assisted by Tokyo Electric Power, in the French Indian Ocean island of Reunion set a 1MW of NAS batteries, scheduled to start in autumn 2009.

In order to substantially reduce CO2 emissions by 2020, Europe has decided to raise the ratio of natural energy power generation to 20%. And other places in the island into the massive megawatt solar energy, natural energy generation rate is expected to increase to nearly 50%. But the island to the weak large-scale power system into the natural energy power generation systems, the need to achieve a stable power grid, thus, be equipped with large capacity battery, so large-scale application in Japan and the United States, the NAS battery concern.

The new Prius conversion efficiency of 16.5% using Kyocera solar cells

The new Prius optional solar panels, the production of polycrystalline silicon using Kyocera solar cell. Horizontal, vertical and of the six, arranged in a total of 36 is equivalent to the standard 15cm square solar cell 1 / 2 size of the unit. Cell conversion efficiency of 16.5%, the maximum output power of the panel, the number of watts for the fifty. There are 3 bus (Busbar) part is black.

Solar power generated can be directly driven ventilation fan. "At first consider the use of solar cells charge the battery, but due to repeated charge and discharge will reduce the cell performance and other reasons to change the use" (responsible for the system guides).

Select the reasons for polysilicon solar cells is cheaper than other types of solar cells. Solar panels and skylights Finance (SunRoof) as one of the "glass roof with solar panels," matching the price of "around 200,000 yen" (responsible for the system guides).

When equipped with solar cells, there is no big problem. Vibration even in the ups and downs associated with road and other road conditions, traffic, and will not have a battery cell damage or loss and other problems. Solar panels needed to ensure the durability of the vehicle.

Just to set up solar panels, to be designed to change the shape of the roof. General specifications of the new Prius with concave roof, "pagoda roof (PagodaRoof)". Concave roof, you can see the projected area of the narrow front, have the effect of reducing air resistance.

The surface of the glass cover of solar panels it is difficult to form a concave. Therefore, the positive is greater than that of the projected area of the common models. Responsible for the design of the guide, said: "The air resistance and the pagoda roof less the same."

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Mobile phone battery Lhasa serious "super capacity"

A mobile phone operators in the western suburbs of the store, and some mobile phone battery capacity of more than 1800 mA. Many consumers believe that the greater capacity of the battery as possible, it is not true, the battery has exceeded the standards set by the state. 12 afternoon, the Lhasa Municipal Quality Supervision Bureau to check on the mobile phone market, in the shop found a group of "super-capacity" battery, and also found some non-3C certification of mobile phones, on suspicion of quality problems, its law enforcement officers the archive.

3C certification found four free phones

At 17:00 on the 12th, law enforcement personnel in China, a Ming Jiaofu check store for mobile communication. After careful examination of law enforcement officers found that the shop has four mobile phone without 3C certification, suspected quality problems, law enforcement officers had sealed them.

It is understood, not through 3C compulsory certification of mobile phones, which is usually what we call "parallel" cell phone. 3C is the "China Compulsory Product Certification" in abbreviation, including mobile phones, computers, including 132 products in 19 categories who did not get 3C certification, are banning the production and sales.

Archive of more than 80 blocks of "super-capacity" battery

Moreover, law enforcement officers found the shop selling the 86 mobile phone batteries serious "super content", and some capacity of more than 1800 mA, and some even more quality problems in connection to the archive.

Law enforcement officials told reporters that the state standards, the general mobile phone battery capacity of up to 1380 mA, if you exceed this capacity, it must issue a test report. Many consumers mistakenly believe that the higher capacity the better the quality of cell phone batteries, so vendors used the "ultra-capacity," drove up the price of the battery, thus deceiving consumers. In fact, the "super-capacity" battery quality problems.

Archive items shall be dealt with by

Of the storage battery and cell phone, law enforcement officials said they would continue the investigation, so that dealers provide 3C certifications in a timely manner, if not, will be in accordance with the relevant laws and regulations.

Lhasa Municipal Bureau of Quality Supervision and inspection of law enforcement officers increased at the same time, to remind consumers to buy mobile phones and other articles not blindly figure price, brand, and be sure to pay attention to check whether the goods have 3C certification. At the same time, consumers can buy their own phones if they did not 3C certification mark, quality supervision departments to report directly to the.

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Mobile and Bacteria

Phone even more dirty than the toilet seats bacteria from the battery?

Possession of more than toilet seats bacteria

Recently, Hubei Province, Xiangfan City, Office of the First People’s Hospital staff infection is bacterial contamination of the cell phone survey, the survey sites were collected and answered the phone at the keys.

The results showed that 108 phone 10 240 bacteria were detected, 39 strains of pathogenic Staphylococcus aureus. Phone per square centimeter "presence" of the bacteria actually about 120,000, more than a door handle, shoe, or even a bathroom on the toilet seat the number of bacteria. Contaminated sites of the main Department of the phone keys.

Half of the respondents were unaware of

Random survey found that most people do not know the phone has so many hidden disease-causing bacteria, of which 65% of the respondents never to phone disinfection.

Of the 35 respondents, 26 did not know that there are so many cell phone bacteria. 20 said, as long as there is a need, whether it is in the bathroom or sleep or eat, will use the phone, never hesitated. In a mobile disinfection issues, there are 5 people that will always disinfect their cell phones, but only limited to the cell phone case, only one person every month to mobile phones with sterilizing liquid disinfectant. 23 were from the first day the phone had not been on the phone to any form of cleaning, as high as 65%.

Reporter consultation with various mobile phone dealer, ask if there is sterilization for cell phone related products, the answer is "not heard of such things, only some of the non-woven fabrics used to clean."

Bacteria from the battery

Xiangfan First People’s Hospital to do the main Renzhou Min said the infection, the use of heat generated by cell phone when the battery is the reproduction of bacteria to provide convenient conditions. Bacteria such as Staphylococcus aureus and other pathogenic bacteria may hide in cracks in the phone, and easily lead to pneumonia, Staphylococcus aureus and other respiratory diseases.

Note that when using the phone, call or text message during the side buttons do not access food while at the same time try not to let other people use mobile phones to avoid cross-infection bacteria; minimizing the phone with the contact parts of the face and lips, reducing bacteria against; Every week the best medical alcohol with a cotton swab moistened wipe the phone keyboard, screen and other parts of the customer service department by phone or to ultraviolet radiation, ozone disinfection, etc.

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Silicon Materials and Thin film batteries

Silicon thin-film battery supply crisis led to investment boom

Since the amorphous silicon thin film to be developed, the conversion efficiency of only half of the polysilicon has not been universal. In recent years favored the growing photovoltaic industry, triggered a crisis in the supply of silicon materials. Silicon raw material prices skyrocketing, making thin-film batteries once again surfaced. In 2007, the global thin film solar cell production reached 400MW, 181MW in 2006, compared with a substantial increase of 120% market share of 8.2% from 2006 to 12%.

Corresponding to this, following the thermal solar modules, polycrystalline silicon hot, the thin film photovoltaic cells has become the new investment hot spot areas. In June 2008 the German Photovoltaic Exhibition 2008, Taiwan’s annual production capacity of only 30MW of green energy, to be signed orders amounted to 200MW, annual production capacity of six times in 2008; Yutong energy production yet, also made orders for 60MW. Tianwei change plans to invest 3.2 billion yuan for the amorphous silicon thin film solar cell projects; LDK announced in Nanchang building the most technologically advanced and largest thin film solar cell projects; July 2008, Johnson & Johnson 25MW of amorphous silicon photovoltaic film solar cell production line officially put into operation; Gan announced the formation of a joint venture to share and build an annual capacity of 50MW target film amorphous silicon photovoltaic cell production line. Suntech added, Vosges stake in Rio Nisshin energy, variety of shares and other companies have also announced its entry into the field of thin film batteries, thin film batteries attract domestic investment.

South developed enough to each one square meter solar electricity a day

Learned from the Nankai University, Nankai University in the solar energy into electricity has made significant progress, and built the country’s largest amorphous silicon thin film solar cell production line, and have the ability to mass production. According to reports, the use of the battery power per hour per square meter, 55 watts, can meet the electricity needs of a family one day.

Also known as photovoltaic solar cells, layman’s terms, that is, absorb solar energy, to transform them into electrical devices. It looks like a thin card or glass, the thickness of only 6 mm. Because solar safe, reliable, non-polluting, energy widely available, etc., can be widely used in industry, agriculture, military, civil and other fields, large satellites in the universe, small family radio, charger, solar batteries are ready for takeoff.

Line Chief Engineer, Institute of Optoelectronic Information Technical Science, Nankai University, Thin Film Devices and Technology Institute, said researchers Professor Wang Zongpan, home of the battery, install 1 square meter of a home enough power to use amorphous silicon solar cells per square meter per hour power 55 watts, can basically meet the demand of a family day. Moreover, the amorphous silicon solar cells can generate electricity grid, which will be solar in sunny issued to the excess power transmission grid, to the rainy day or night, the electricity grid will Zaishu previously stored to the user, is fully capable of to ensure continuous use year round.

According to reports, Nankai University, amorphous silicon thin film solar cell production line is expected to double production this year is expected to expand production to 100 megawatts next year scale, equivalent to a medium-sized power plant generating capacity.

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New Flexible Solar Cell

Recently, U.S. scientists have found an effective way of making silicon solar cells with sufficient flexibility, which allows it to wrap the object in the thickness of a pencil on top of or attached to the windows of buildings and even cars glass surface. October 5 issue of the "natural materials" magazine reported the results, saying the technology can be easily broken before the transfer to the flexible material on top of silicon, silicon slices for the traditional process provides new possibilities .

Of the study, University of Illinois at Urbana-Champaign, John Rogers, said the new technology will open the door to the promotion of solar buildings, "we can make it thin enough, then ‘transfer’ in a plastic chip, which to be curled into the system, so similar to the film thickness of the film can be attached to the glass surface of the building. "

It is understood that due to global warming and the impact of high oil prices, relying on photoelectric conversion of solar cells known as one of the most promising green energy. Including Japanese consumer electronics maker Sharp and Q-Cells of Germany, including many companies are making thin-film solar cell research and development related areas. But compared to conventional solar cells, thin film photovoltaic solar cell conversion efficiency lower the industry has been plagued problems.

Rogers said the technology is based on a higher photoelectric conversion efficiency of silicon as a raw material. Monocrystalline silicon wafers in order to overcome the shortcomings of a very brittle friable, they used a special etching method of silicon from a large cut on the silicon than the traditional 10 to 100 times thinner ultra-thin silicon . Different levels according to their thickness can be applied to different areas. When the wafers are cutting down, it will be a device to pick up, and then sealed as the general "transfer" to a new material above the surface. Finally, the re-use these as the electrical system of solar cells together into a whole. Compared with traditional solar panels, highly flexible solar cells that will be easier to transport and install. And Rogers is envisaged that the new materials will be like a blanket was thrown on the car.

"Batteries are not allowed to hide me," the new EU battery regulations

EU European Union in 2006 to promote cell program (Battery Directive), the destruction of the battery, recycling easier, and health programs, has recently been changed out. New battery program, which may include a change to some of the company’s dumbfounded, that is: all electronic products must be easy to remove the battery, also known as "battery not allowed to hide me," the new rules.

This provision, it simply is to make users to an open end, a few loose screws to remove the battery can not make the steps easier recovery, but also are more convenient for users, and more willing to waste battery has a good resting place. In short, in addition to iPod / iPhone, the market there are a host of other electronic products in Europe if you want to survive in future, I’m afraid to use your head out!

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