Test the water temperature of solar cell phone frequency

Test the water temperature of solar cell phone frequency

Test the water temperature high frequency mobile phone solar conversion efficiency of thin-film batteries is expected to become very popular

Following South Korea's Samsung Electronics (Samsung Electronics), LG (LG) 1st quarter 2009 launch of solar mobile phone, Sharp (Sharp) recently introduced a solar cell phone sales expected to begin in August, while the launch of Panama, Digicel Group, the solar cell phone , recently announced that it will sell a specific area in June 2009, test the water temperature of solar cell phone frequency, so that the mobile phone market fresh, solar industry forecast to be more efficient after the advent of thin film solar cells, solar mobile phone expected to be popular, subvert the entire mobile phone market.

Samsung and LG of South Korea in February 2009, "Mobile World Congress" were released Blue Earth (Blue Earth) and the CEO friendly solar mobile phone, mobile phone market so refreshing, this 2 solar cell phone battery cover are installed in the back of the phone solar panels, use the sun to charge, charge for 10 minutes to talk general 3 minutes, there is no backup battery is suitable for emergency and outdoor use no electricity to support charge.

The same period, the mainland and the Caribbean ZTE operator Digicel Group, the common cross-border R & D cooperation, also launched a solar cell phone Coral-200-Solar, has announced a formal sales in June, mainly to Latin America, Central America and the South Pacific island and so on, including Papua New Guinea, Tonga, Vanuatu, Haiti, Samoa, 10 countries, the phone 1 hour in the sun, you can talk for 15 minutes, completely charged about 8 hours, phone sells for $ 40, Best known is the first solar cell phone units is expected to be in the telecommunications market in 10 countries achieved a 25% share.

Sharp Japan has recently introduced a solar water-proof phone SOLAR HYBRID SoftBank 936SH, sunlight, 10 minutes, you can stand 2 hours or call 1 minute, but if more than 75% remaining charge can not be charged, plans listed in August.

Solar industry said that the frequency of mobile phone operators to test the market introduction of solar cell phone responsiveness, and also create a new image of environmentally friendly, happy to see each application side of the solar market quickly surfaced.

It is understood that the majority of solar panels solar mobile phone using crystalline silicon solar cells, so in charge of the amount of sunlight and the angle of the degree requirements are relatively high.

The amount of sunlight and the angle required a relatively low degree of thin-film solar, because the conversion efficiency is still not universal, but also limited by the limited surface area of mobile phone batteries, charging efficiency after the installation is less than crystalline silicon is well-so has not yet been widely adopted, But the thin-film solar cell phone battery is made of bright area can be as long as the charge, therefore, expected future areas of opportunity to become the new mainstream solar cell phone battery, only to be re-raise its conversion efficiency is bound to become very popular, it will be a thin-film solar Great potential for business opportunities.

Solar industry said that in addition to mobile phones and other eleven NB and launched the application of photovoltaic panels, the recently released Japanese TOYOTA PRIUS 3rd generation, the location also installed skylights solar panels, the main feature is that when the next car when parked in the Lieyang , the car's fan is activated by the solar power so that the temperature inside the high temperature can be appropriately Buzhi Yu.

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China thin film solar cells will be the "world factory"

China thin film solar cells will be the "world factory"

Oerlikon as the world's first thin-film solar modules to provide Turn-Key service vendors, and its thin film solar modules using amorphous silicon technology solutions and microcrystalline silicon thin film technology stack to provide include conducting glass (TOC) production, PECVD deposition , laser cutting and other critical thin-film battery manufacturing process steps. Oerlikon Solar Division, Sun Haiyan, general manager of technical marketing in Asia that China has relatively abundant raw materials (glass) market and talent pool, China thin film solar cells will become the "world factory."

SIChina: Do you think Chinese enterprises to enter the thin film solar PV market, where the starting point?

IRRIGATION: We first from the perspective of industry chain to talk about why should thin film solar cells: First, the thin-film solar has a cost advantage; Second, the thermal expansion coefficient of less widely used. Again, China has the advantage into the thin-film solar industry. Because the cost of thin film solar cell structure, raw material in glass accounts for about 40%, while domestic glass production is the largest, relatively low raw material prices. At the same time the country has rich reserves of talent, these people including those from the semiconductor, FPD and electronic industries. With the semiconductor and flat panel display industry, compared to thin film solar cell equipment and capital requirements, technology, lower than the threshold value, if our goal is 0.7 dollars per watt, then the middle position must have a dessert, the key to see how you do.

SIChina:: able to analyze the trend of thin film solar cell technology?

IRRIGATION: thin-film batteries have a 30-year history, limited by the conversion efficiency, in the past did not form large-scale production of thin film batteries to open the market. The past two-junction amorphous silicon thin film solar cell conversion efficiency is only about 5%, there are also problems with packaging technology, and thus the cost advantage of thin-film batteries can not be displayed. Current industry began to enter the thin film solar cell mass production. Oerlikon began in 2002 to devote additional microcrystalline amorphous project, the use of this process, after the initial decay can be expected after the conversion efficiency of 10% or more, at present, we can ensure that customers achieve the conversion efficiency of 9.3%. Through equipment upgrades, you can upgrade process technology from the amorphous to microcrystalline amorphous plus technology. The future of thin film solar cells bottleneck is: First, how to improve the conversion efficiency; the second is how to improve its manufacturing efficiency, Oerlikon and customers can build database, for the equipment company in terms of lower TackTime time is critical, that is reduce the manufacture of each piece modules of the time; The third is to form a scale, through the overall control, to achieve cost-effectiveness.

SIChina:: As the world's first thin-film solar modules to provide Turn-Key service vendors, you think this pattern of Turn-Key will give the battery on the domestic film industry, what impact the development? As producers of technology depends on the equipment suppliers, will result in customer product no difference?

IRRIGATION: The current process is mainly dependent on thin film solar cell equipment supplier. The technology developed by Oerlikon laboratory, pilot production line and then, we recommend the entire line of large customers to buy product also bought the pilot line of 1:1. 1; 1 pilot online customers increased efficiency in the conversion there are a lot of space. Can be 1; 1 in a pilot process successfully transplanted directly to the menu production line. Thin film battery has just started a large-scale industrialization, it is not yet time to consider product differentiation, each solution has the market for Oerlickon, we seek not a big size, and above all the maturity of the production line. An important sign is by TUV and other international certification. Oerlikon's amorphous silicon modules has been TUV certified in 2006, most recently through the use of their TCO, TUV certification process production modules, which can make the products to customers quickly enter the market. Besides the high conversion efficiency is the goal we seek. The maturity of the existing platform can be upgraded to increase the conversion efficiency of the battery. Process to increase from the amorphous microcrystalline amorphous process, possible future increase in the amorphous and microcrystalline an intermediate layer between the increase in the degree of light absorption in order to improve transformation efficiency, the production line can continue to upgrade with the upgrade process, it has the equipment can be subsequently upgraded, so the production line efficiency, cost reduction.

SIChina: Do you think thin film solar cells with silicon-based solar cells when it comes time rival?

IRRIGATION: We estimate the global solar PV market will grow from $ 1,000,000,000 in 2000 to expand by 2015 to 1500 billion U.S. dollars, while the thin film market share may be increased from 2% to 52%, beyond the crystalline silicon solar cells, into the mainstream.

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Polysilicon and Thin film solar A

Polysilicon and Thin film solar A

Global recession means that the investment risk of the increase, while the Chinese and foreign VCs are not afraid of risk at this time, the collective investment in thin film solar market trends. Since July, Lenovo, Intel, International Finance Corporation (IFC) and other foreign venture has to thin film solar industry investment. What this series of actions to convey the signal? Following the crystalline silicon cells in 2005 and last year after the polycrystalline silicon cells, thin film solar cell will be set up to become a new flashpoint in the industry?

Surge in investment in the field of thin film batteries Trends

July, Legend Capital has just raised a new fund Phase IV, injection of advanced solar energy company in Zhejiang, the company engaged in the cadmium telluride thin film solar battery production.

The end of October, Intel CEO Paul Otellini announced three investment plans, invested $ 20,000,000 of which the benefits from investment in the Shenzhen Science and Technology (thin film solar development, and manufacturing and solutions provider).

November 5, the World Bank Group International Finance Corporation (IFC) announced that China's new Olympic Group will ENN Solar Energy Co., Ltd. to provide 136 million U.S. dollars, the construction of a large thin-film solar module production line.

In a sense, venture capital is changing the layout from the mainstream manufacturers smell a harbinger of changes in the industry.

The development of upstream crystalline silicon cells suffer the pain of tight supply of silicon material, silicon material in the upstream supply short-term case of no solution, the world's leading manufacturers of photovoltaic cells have increased their investment in thin film photovoltaic cells.

Already learned the information, including: the global leader Q-Cells solar cells to promote the existing commercial line of thin-film battery technology, a-Si, CdTe and CIGS are inputs; Japanese giant Sharp in the LCD field, with its technology, focus on the development of silicon thin film photovoltaic cells (a-Si/μc-Si) field, announced in 2010 to build 1GW of silicon thin film photovoltaic cell production capacity; critical process is limited by lack of equipment and technology, Suntech becomes relatively less in 2009, Silicon thin film photovoltaic cell production capacity building program is only 50MW.

Analysis of the development of promising thin-film batteries

Why VCs risk of excluding the economic downturn, generous toward thin-film battery? "Daily Economic News" contacted the president of a Shanghai investment company, he said, has been movement within the industry leading companies focus on the scope of investment in the wind, which often become the incentive for its actions.

Thin-film batteries cost advantages are obvious

"Cost." When asked the advantages of thin-film batteries, the Great Wall Securities analyst Zhou Tao first time gives the answer.

The cost of restricting the development of crystalline silicon cells a major obstacle. First of all, benefit from the industry into a boom cycle, the price of high-purity silicon corresponding increased significantly. Zhou Tao said that 2003 prices are still 30 U.S. dollars / kg, the mid-2008 increased sharply to 800 U.S. dollars / kg. "2007 China PV Industry Development Report" shows that the total cost, accounting for the cost of silicon materials reached 56.2%, followed by the technological monopoly from suppliers. Zhou Tao, said high purity silicon production process requirements on high until last year, its production technology and market supply is monopolized by the major manufacturers and downstream manufacturers under great constraints.

In contrast, in the cost thin-film batteries have a very competitive source of a wide range of raw materials, an adequate supply for the downstream attractive. In recent years, the CdTe (cadmium telluride)-based thin-film batteries is growing rapidly. Information to U.S. companies FirstSolar CdTe-based production and sales of batteries, in the film market share from 7% in 2003 increased sharply to 47% last year.

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