Amorphous silicon thin film solar cells due to its cost advantages and great market potential and therefore favored by investors. Through imitation
True model of the project’s costs and benefits analysis for investors to provide reference data for decision-making in order to circumvent the investment risk.
Thin film solar cells as a new type of solar cells, because of its wide range of sources of raw materials, low production costs for mass production, which has broad market prospects. In recent years, the glass substrate for the amorphous silicon thin film solar cell by virtue of its low-cost, sophisticated technology, the wide range of applications such as dell 1k500 battery advantages of moving from various types of thin film solar cells stand out, on a global scale set off a wave of investment fever . Large-size glass substrate thin film solar cell market, is bound to greatly speed up the integration of photovoltaic construction, the roof of the net and, as well as photovoltaic power generation system, such as the promotion and popularization.
Amorphous silicon thin film solar cells advantages Out
As the crystalline silicon solar cells as the cost of silicon material prices and rising up year after year, various types of thin film solar cells as the world’s new solar cell research and focus on hot spots.
Thin film solar cells in the most potential for growth is amorphous silicon thin film solar cells, amorphous silicon material is formed by vapor deposition has been widely used method is plasma-enhanced chemical vapor deposition (PECVD) method. Such technology can be produced in a row in more than a vacuum deposition chamber, so as to achieve high-volume production. As the response to low temperature, around 200 ℃ in temperature, manufacturing, it can be glass, stainless steel, ceramic plates, plastic soft-on-chip thin film deposition, easy-to large-scale production, lower costs.
Compared with the crystalline sony pcga-bp2ny battery , amorphous silicon thin film solar cells have good low-light response, the characteristics of high-efficiency charge. Amorphous silicon material throughout the absorption of visible light, almost large single crystal silicon than an order of magnitude, making amorphous silicon solar cells both in theory and practical use in low light intensity have a better adaptation. More and more the practice of data also shows that when the same peak power, in the sunny days of direct light and weak scattered light rain conditions, amorphous silicon solar panels power than the power is greater than both of monocrystalline silicon, amorphous Silicon thin film solar cells. More data show that the same environmental conditions, amorphous silicon solar cells per kilowatt of generating capacity in the high single crystal silicon than 8%, 13% higher than the polysilicon.
toshiba pa3356u-1brs battery of the most important advantage is cost advantage. According to the enterprises and institutions measured, even in the 5MW production scale, the amorphous silicon thin film solar cell production costs are also components of the 2 U.S. dollars / W below, and to achieve a single production capacity 40MW-60MW or more of the fully automated production line , And its production costs are lower. And compared with an average of 3.5 U.S. dollars / W in the international market prices, their profit margins can be imagined.
Impact of amorphous silicon thin film solar cell application of the most important question is inefficient, poor stability. And the crystalline silicon cells, hp hstnn-ub02 battery area will grow by about double the size of illumination installation space and limited restrictions on its application. And the instability is embodied in the energy conversion efficiency of radiation with the time change until hundreds or thousands of hours after the stability of the problem to a certain extent, the impact of such low-cost solar cell applications.
With the research institutions and industry to increase the degree of concern and a significant increase in investment, I believe that in the past few years, silicon thin film solar cell technology products will be a breakthrough. It is estimated that in 2009, “Si-Si +” technology stack of thin film photovoltaic conversion efficiency of the batteries will reach 10% of the cost of components will be less than 1 dollar / watt.
Business investment increased rapidly
In recent years, based on the solar cell market is expected of a good silicon thin film dell Inspiron 9300 battery, as well as good technical characteristics and cost advantages, many equipment suppliers, solar cell manufacturers, research institutions and so on, have to invest, set off a wave of investment.
As the TFT-LCD (thin film transistor liquid crystal display) technology has been very mature, the large area amorphous silicon film uniformity of the process can be transplanted into the silicon thin film battery production. At present, is usually used in TFT-LCD technology for the production of thin-film transistor devices to the production of thin film amorphous silicon solar cells. The United States, Europe and Japan, semiconductor equipment suppliers, are working hard to compete in this market. In addition to the above-mentioned vendors to carry out full market competition, also through mergers and acquisitions, to recruit, and other means to increase investment in product, technology, equipment research and development efforts, in pursuit of the long-term toshiba pa3384u-1brs battery market competition, accounting for a sustained competitive advantage.
In business investment, a lot of crystalline silicon cell producers in the original product continued to become bigger and stronger, it also turned its eyes to silicon thin film sony a1060 battery with the intent to improve and enrich its product line. It is interesting that more had not the solar cell industry enterprises to invest in the entire solar cell inspired by the hot, thin film silicon solar cells have to choose as their entry point into the industry, in trying to market this new plan Get a place. These new entrants for the solar industry has brought a new look, but also exacerbated the industry’s competitiveness and risk. According to incomplete statistics, China only had at least 9 new silicon dell latitude d600 battery of investment projects being implemented, designed annual production capacity of up to the sum of about 900MW, and are also interested in investing in the project are more pre-planned.
The cost of raw materials should be most concerned about
Although it seems silicon thin film hp pavilion zd7000 battery of a large profit margins, but now the face of this fast-changing market customers and raw materials supply chain environment, any hope that those who set foot in this area should be well aware of the risks where, in order to Effective prevention and to avoid these risks.
Use of internationally well-known software company’s simulation software tools, and in order to collect the cost of production, and other data, we have to build a thin film amorphous silicon solar cell production line simulation model. The model is the use of cost analysis, we can not only be the product of the unit cost of its components, can also passage in accordance with international principles of the expenditure will be apportioned to the various processes in order to clearly see the share of expenditure on the overall cost of The proportion of its causes in order to accurately assess the degree of risk for investment decision-making and compaq BTP-63D1 production and operation as a reference.
Internal rate of return is a measure of the investment projects of major economic indicator. At the present market conditions, with an annual output of a 40MW-60MW silicon thin film battery production line project internal rate of return than 12% of the industry benchmark yield. Nevertheless, market and technical uncertainties will be a tremendous investment risks. As a result, we have also focused on the simulation model of the project internal rate of return sensitivity analysis. The results shown in figure II, sales price is the most sensitive. In fact, this is not surprising, any of the products the benefits are determined by direct sales and product costs. The solar cell, photoelectric conversion efficiency of the products also decided to battery components an important factor in selling prices. If you assume that every watt of solar cells the same price, when the photoelectric conversion efficiency of 6% to 6.5%, a component of the sales price increased by 8%, while its production cost is almost the same, it will be clear that The proceeds of the project have a huge impact.
Because of the different objective conditions of its location varied, specific data is not set in stone, in a number of special conditions may need to do even more, but through the above analysis reveals some of the issues that should be universal The reference value.
In the face of investment needed to think rationally
Investment boom in solar cells, silicon thin film batteries seem to have become hot spots in the hot spots. Some experts pointed out that the thin film solar cell in the next 5 years -10 years will be about 50% of the average annual growth rate of growth in 2030 will account for the overall share of the solar cell of more than 30%.
However, silicon thin film solar cell is not a compensation package of non-profit industries, in addition to the dell Inspiron 8000 market, cost, technology risk, the demand for funds, supply chain, power production and supply of technical personnel have a higher threshold.
In the need for financial resources, a 40MW-50MW of amorphous silicon thin film compaq TravelMate 290 battery production facilities with a total investment of 10 billion yuan, while the economies of scale should be recognized in the 300MW-500MW. This will require investment not only to be able to raise sufficient initial investment, but also for sustained investment over the next two to three years to prepare.
In the supply chain organization, the production of high-transmittance of the super-white glass, high-purity silane and so only a limited supply sources. Manufacturers must ensure stable and cheap supply of materials, or, in recent years, competition for the emergence of silicon materials will inevitably scene again.
Technical personnel has been the development of thin film solar cell of one of the bottlenecks. In addition to the structural design of the battery itself, the analysis of the need to detect a large number of professionals, chemical vapor deposition, vacuum sputtering, laser engraved lines, including special process, as well as a variety of special gases, high water, clean air-conditioning systems and so on, the factory support system Require a large number of people with professional knowledge and practical experience in the context of the staff. Due to the large number of projects currently under construction to attract the talent competition has become fierce unprecedented.
In short, silicon thin film solar cell investment has been the emergence of an indisputable fact. However, each of which want to join the enterprise should be a comprehensive analysis of their opportunities and challenges facing the full estimated earnings and risk, rational and objective to make their own investment decisions, which the industry is healthy and sustained development.
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