Second Generation Thin Film Solar Cell with TUV/ UL/ CE/ ROHS/ IEC/ CQC/ ISO/ SFEC/ CEC Approval
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 unit
- Supply Capability:
- 500 unit/month
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Specifications
Thin film solar system energy yield per Wp can be 10% higher than that of silicon solar system due to material characterics.
Amorphous silicon thin film solar panel, with TUV/ UL/ CE/ RoHS/ IEC/ CQC/ ISO/ SFEC/ CEC approval.Framed by black anodized aluminium, easy to fix or made into free standing type. AmpleSun ASF series have many advantages with high quality production process and raw materials:
General advantages:
1. Good environment adaptability, less sensitive to installation angle, more suitable for vertical installation in BIPV.
2. Excellent performance.
3. 30% lighter than double-glass type.
4. Framed with aluminium makes ASF more solid.
5. Good looking, well match the buildings or as a constituent part.
6. Free from defects for 5 year with regular use, maintain more than 90% of Max. power for 10 years and 80% for 25 years.
Technical advantages:
1. Low temperature coefficient:
Normally, the electricity performance of photovoltaic module is measured by STC standard. However, the temperature of solar module, operating in the sun, can be much higher than atmosphere temperature.
With the temperature increase, module power will decrease accordingly. Temperature coefficient for thin film silicon solar cell is 0.2%/0c, and that of crystalline solar cell is -0.5%/0c. That means, when the module is worked on 500c condition, compare to the efficiency reached on 250c test standard , thin film silicon solar module will loose around 5%, and the loss for crystalline will be around 12.5%.
In conclusion, even the STC efficiency of thin film silicon solar cell is low, the efficiency in actual operation condition is not far away to that of crystalline solar cell.
2. Good weak light performance:
The performance of thin film silicon solar cell is better than that of crystalline solar cell in the weak light condition.
Solar power system with crystalline solar module will not generate power in the late afternoon. However, solar power system with thin film silicon solar cell still generates power.
Furthermore, thin film silicon has gentle current-voltage curve. This characteristic makes it easier to pick-up the most electricity power.
Brief introduction of Thin Film Solar Cell
Thin film solar cells can be made up with inexpensive ceramics, graphite, metal sheets of different materials as substrates. The film thickness can be formed to generate a voltage of just a few μm; the highest conversion efficiency of the thin film solar cell can be up to 13% currently.
Physical Advantage of Thin Film Solar Cell
Now the main material of thin film solar cell is silicon. In the share of the cost of the finished solar cells, silicon materials accounted for nearly 40%. The thickness of amorphous silicon solar cells is less than 1μm, which is less than 1/100 of the thickness of crystalline silicon solar cells, reducing the manufacturing cost greatly. Since the amorphous silicon solar cell manufacturing low temperature (-200 ℃), is easy to realize the advantages of a large area, so that it takes primacy in the thin film solar cell, the manufacturing methods in electron cyclotron resonance method, photochemical vapor deposition method, DC glow discharge, radio frequency glow discharge method, sputtering method and Xie hot-wire method. Especially the RF glow discharge method because of its low temperature process (-200 ℃), easy to implement large-scale and high-volume continuous production, is now internationally recognized as a mature technology. Especially the RF glow discharge method because of its low temperature process (-200 ℃), easy to implement large-scale and high-volume continuous production, is now internationally recognized as a mature technology. In materials research, has studied a-SiC window layer, graded interface layer, μC-SiC p layer, etc., and significantly improves the short-wave spectral response of the cell. This is due to the a-Si solar photo-generated carriers generated mainly in an i-layer, i-layer before reaching the incident light is absorbed by the p-layer portion of the power is invalid. The a-SiC and μC-SiC material than the p-type a-Si has a wider optical band gap, thus reducing the absorption of light that reaches the light increases the i-layer; gradient interface layer coupled with improved a- transport properties of SiC / a-Si heterojunction interface photoelectrons in response to increase in the long-wave, using a suede TCO film, a multi-layer suede back reflection electrode (ZnO / Ag / Al) and multi-bandgap stacked structure, That glass / TCO / p1i1n1 / p2i2n2 / p3i3n3 / ZnO / Ag / Al structure. Suede TCO film and the electrode multilayer back reflector reduces light reflection and transmission losses and an increase in the propagation of light from the i layer, thereby increasing the light absorption in the i-layer multi-band-gap structure, with the i-layer gap width begin to gradually decrease from the light incident direction to absorb sunlight segment reached broaden the spectral response, the purpose of improving the conversion efficiency. Improving the efficiency of the battery stack also features graded bandgap design, tunnel junctions of microcrystalline doped layer, so as to improve the carrier collection.
- Q:What is the role of monitoring systems in solar cell systems?
- The role of monitoring systems in solar cell systems is to continuously monitor and analyze the performance and efficiency of the solar panels. It allows for real-time tracking of the energy production, detecting any malfunctions or abnormalities, and identifying potential issues that may affect the overall system performance. This data helps in optimizing the efficiency of the solar cell system, ensuring maximum energy generation, and enabling timely maintenance and repairs. Monitoring systems also provide valuable insights for system optimization, energy consumption analysis, and performance evaluation.
- Q:How do solar cells affect the electric grid?
- Solar cells can have a positive impact on the electric grid by generating clean and renewable energy. When connected to the grid, they can feed excess electricity back into the system, reducing the demand for power from traditional sources. This helps to decrease reliance on fossil fuels and lowers greenhouse gas emissions. However, the intermittency of solar power can pose challenges for grid operators in managing fluctuations in supply and demand.
- Q:How are solar cells used in calculators?
- Solar cells are used in calculators to convert sunlight into electrical energy, which powers the device and allows it to function without the need for batteries or external power sources.
- Q:How do solar cells impact job creation?
- Solar cells impact job creation in several ways. Firstly, the installation and maintenance of solar panels require skilled workers, creating job opportunities in the renewable energy sector. Additionally, the manufacturing of solar cells creates employment in the production and supply chain. As the demand for solar energy continues to grow, more jobs will be created in research, development, and sales. Overall, the adoption of solar cells stimulates job growth and contributes to the transition towards a green economy.
- Q:Can solar cells be used in developing countries?
- Yes, solar cells can be used in developing countries. They offer a sustainable and renewable source of energy that can be harnessed even in remote areas without access to electricity grids. Solar cells can provide clean and affordable electricity, helping to improve living conditions, foster economic growth, and reduce dependence on fossil fuels. Additionally, the decreasing costs and increasing efficiency of solar technology make it an increasingly viable option for developing countries.
- Q:How do solar cells affect the electricity grid?
- Solar cells can have both positive and negative impacts on the electricity grid. On one hand, they can contribute to a more sustainable and renewable energy mix by generating clean electricity directly from sunlight. This reduces the need for fossil fuel-based power generation, leading to a decrease in greenhouse gas emissions and air pollution. Solar cells can also help diversify the energy sources in the grid, making it more resilient and less dependent on imported energy. On the other hand, the intermittent nature of solar power can pose challenges to the stability and reliability of the electricity grid. Since solar cells only generate electricity when the sun is shining, their output fluctuates throughout the day and is absent during nighttime. This can create imbalances between electricity supply and demand, as the grid needs to ensure a constant and reliable power supply to consumers. Additional measures, such as energy storage systems or backup power sources, may be required to address these intermittency issues and maintain grid stability. Overall, the integration of solar cells into the electricity grid presents opportunities for cleaner energy generation and reduced reliance on fossil fuels, but it also necessitates careful planning and the implementation of appropriate grid management strategies to mitigate potential challenges.
- Q:How do solar cells impact global warming?
- Solar cells have a positive impact on global warming as they generate electricity using sunlight, a renewable energy source, without emitting greenhouse gases. By reducing the reliance on fossil fuels, solar cells help mitigate climate change and decrease carbon emissions, thus slowing down the progression of global warming.
- Q:What is the average cost of a solar cell?
- The average cost of a solar cell can vary depending on various factors such as the type, size, and efficiency of the cell, as well as the market conditions and location. However, as of 2021, the average cost per watt for residential solar panels ranges between $2.50 and $3.50.
- Q:Are bulk solar cells better than the normal solar cells?
- It's hard to just simply say the bulk solar cells are better than normal solar cells. If the normal solar cells are better designed, it might be better than bulk solar cells.
- Q:How do solar cells perform in areas with high levels of bird droppings?
- Solar cells can be negatively affected by bird droppings in areas with high levels of bird activity. The droppings can block sunlight, reducing the efficiency of the solar cells and potentially leading to decreased power output. Regular cleaning and maintenance are essential to ensure optimal performance in such areas.
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Second Generation Thin Film Solar Cell with TUV/ UL/ CE/ ROHS/ IEC/ CQC/ ISO/ SFEC/ CEC Approval
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 unit
- Supply Capability:
- 500 unit/month
OKorder Service Pledge
OKorder Financial Service
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