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Back contact solar battery components for good appearance, shading, high efficiency and less packaging
The advantages of small loss of attention, the Dutch national energy research center (ECN) study machine, etc
Structure is proposed based on an encapsulation of conductive foil lines connected, the use of conductive back substitution
The existing conventional polymer backboard, the basic structure of the products are: copper conductive back/EVA/of drilling hole
Conductive adhesive/cell/EVA/tempered glass, but the current conductive back is expensive and it is on the market
No mature products, and other conventional photovoltaic modules is: this kind of back contact components
Bus layer below the encapsulation EVA, close to the back surface, easy to produce water vapor intrusion and local
Discharge phenomenon, therefore, the structural reliability of special this component has yet to be further verified.
Back contact solar cells is aiming at the shortcomings of the existing technology and component technology
Provide a low cost, easy to implement and good reliability back contact solar arrays
A technology. Compared with the existing technology, the obvious advantages of zyprexa technology is that the back contact cells
Components using the conventional back and packaging materials on the market, on the one hand, reduces the cost of materials,
Simplify the production process, on the other hand also ensures that the component reliability and stability, have very much
Conducive to back contact photovoltaic modules of large-scale production needs.
Back contact solar cells is aiming at the shortcomings of the existing technology and component technology
Provide a low cost, easy to implement and good reliability back contact solar arrays
A technology. Compared with the existing technology, the obvious advantages of zyprexa technology is that the back contact cells
Components using the conventional back and packaging materials on the market, on the one hand, reduces the cost of materials,
Simplify the production process, on the other hand also ensures that the component reliability and stability, have very much
Conducive to back contact photovoltaic modules of large-scale production needs.
In particular, back contact the solar cell component technology has the following advantages:
1. The main gate line, less decrease with silver
2. The shading area reduced, efficiency improved
3. No string of welding, series resistance is small, encapsulation losses small
4. Good heat dissipation, the same power can be more electricity
5. There is no welding, no stress, enhanced reliability
6. No welding, silicon wafer can be thinner
7. Use the conventional back and packaging materials on the market, reduce the material cost, simplify
- Q:How to promote the use of solar energy in China
- Overall, the use of solar energy is still very fast, or how the United States will be on China's solar energy products to ban it? As for the overall development of the domestic solar energy industry is good, but still need to do a lot of work. For example, how to improve the quality, efficiency, etc..
- Q:Now there is no sun, cloudy days can use solar products?
- At present, I have not found this kind of solar energy
- Q:What are the disadvantages of traditional solar water heater
- We now have a factory in Wuxi, the production of solar water heaters, the core components - superconducting heat pipe, so that the product in place. Heat pipe is a vacuum glass tube inside, no leakage, no water absorption of solar heat, but the use of dark metal materials such as heat transfer, heat transfer efficiency is high temperature superconducting material.
- Q:What is the difference between photovoltaic products and solar energy?
- But in general, as many of the world's oil and gas production areas of political and economic instability, many governments are taking active measures to reduce dependence on foreign energy sources. Solar energy provides an attractive power generation program, and will not form a serious dependence on foreign energy. In addition, the increasingly serious environmental problems and fossil fuel power and political reasons of climate change risk formation, prompted the government to implement the aims to reduce carbon dioxide and other greenhouse gas emissions reduction strategy. Solar energy and other renewable energy sources contribute to the solution of these environmental problems.
- Q:Household solar energy productsThe product can be used at home, do not mention the solar energy, answer the water heater
- Divided into two large photovoltaic and thermal.Photovoltaic power plant used in the battery board has two kinds of polysilicon and monocrystalline silicon, which is a little higher conversion rate. A solar photovoltaic system of solar power generation system, glass curtain wall, large on / off grid systems (e.g. Tibet Yangbajing engineering). In addition, there are solar street lights, scenery complementary street lights, solar lights, solar LED screen, solar backpack, etc.
- Q:Solar energy has some disadvantagesDetailed description of the problem, to help the respondents give accurate answers
- Disadvantages of solar energy:The use of solar energy has its drawbacks:First, the current density is low, the sun is better, the ground floor area of 1 square meters of energy received only about 1 kilowatts. It is often necessary to set up a large number of lighting surface to meet the use requirements, so that the large area of equipment, materials, cost increases.Second, the greater the impact of the atmosphere, to bring a lot of difficulties.
- Q:Is it hot in summer and the water is hot in winter?
- Wall really electricity, as to what the effect depends on the brand. Hodge is certainly not good, the water temperature is low in winter. Now a lot of property to buy solar, generally for the hodge. As for the solar energy is better or you use absolute OK Himin - winter!!!
- Q:Or must there be built - in battery? If yes, then use the mobile phone lithium battery can?
- . Cell phone lithium battery? Do you mean to put the mobile phone lithium battery on the solar panel? Do not Oh, can not be achieved, the direct use of solar panels charge mobile phone battery, then a little dangerous
- Q:How to make better use of solar energy
- The history of modern solar energy can be calculated from the 1615 French engineer Solomon de Cox in the world invented the first solar powered engine. The invention relates to a machine for pumping water by using solar energy to heat air to make it work. Between 1615 and 1900, the world has developed a number of solar power devices and other solar devices. Almost all of these power plants by condensing method to collect the sunlight, engine power is not the working fluid is mainly water vapor, the price is expensive, little practical value, for the majority of fans of solar energy manufacturing. Twentieth Century 100 years, the history of the development of solar energy technology can be divided into seven stages.
- Q:How to make solar energy?
- Finally, cut a large hole in the box and put on a plastic wrap to absorb sunlight. A simple solar water heater is finished. I do the "solar water heater" to the teacher. The teacher said: "you have not put black metal bottles, so absorb sunlight more slowly, the water temperature is not easy to rise." So, we put the bottle of black metal.
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Efficient battery components
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