Crystalline Silicon Wafer Solar Cells - A Grade Polycrystalline Solar Cell 4.2W-4.3W
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A Grade Polycrystalline Solar Cell 4.2W-4.3W
Main Characteristic
17.6%-18% High Efficiency A Grade 125mm Monocrystalline Solar Cells
1.First-class production technology and packaging technology.
2.Adopting the world's leading technology of silicon and polycrystalline silicon cells, power density, peak hours more battery power, higher conversion efficiency.
3.Beautiful, stable, easy to take down the anodic aluminum frame electric degrees and has a wind-resistant, anti-snow function.
Features
17.6%-18% High Efficiency A Grade 125mm Monocrystalline Solar Cells
1.High transmissivity low-iron tempered glass, strong aluminium frame.
2.Manufactured according to international quality and Environment Management System (ISO9001, ISO14001).
3.Low voltage-temperature coefficient allows higher power output at high-temperature condition.
Product Pictures
Top 7 Reasons to Order From Us:
1) We offer you the best quality on the market!
2) We offer you strongly competitive prices !
3) We offer the fastest shipping !
4) we can accept small order!
5) we design various of watt according to cuatomer!
6) We have the best customer service team!
7) We have excellent manufacturer solar panel warranty policy!
- Q: Begged monocrystalline silicon rod is to use what tools and equipment to cut into silicon. What are the most commonly used methods. Loss big? Thank you
- General loss of about 40%, the general thickness of about 190um silicon, cutting seam in 120um
- Q: How is a solar silicon wafer made?
- A solar silicon wafer is made through a process called "solar-grade silicon purification" followed by "crystal growth" and "wafering". In the purification stage, impurities are removed from the raw silicon to obtain solar-grade silicon. Next, the purified silicon is melted and solidified to form a silicon crystal in the crystal growth stage. This crystal is then sliced into thin discs using a wire saw or diamond blade, resulting in the wafering stage. These wafers are then used as the base material for manufacturing solar cells.
- Q: Can solar silicon wafers be damaged by hail or other weather conditions?
- Yes, solar silicon wafers can be damaged by hail or other severe weather conditions. Hailstones can cause physical impact damage, cracking or shattering the wafers. Additionally, extreme weather conditions like heavy rain, strong winds, or lightning strikes can also potentially damage the wafers or their supporting structures. Proper protective measures and durable materials are necessary to mitigate these risks and ensure the longevity and efficiency of solar panels.
- Q: How to calculate the conversion efficiency of monocrystalline silicon
- Proportion of dark current - Irev>6 cell ratioThe proportion of low efficiency tablets - the proportion of P156Eff<14.5% batteries8 inch single crystal conversion rate of about 18.5%; a single conversion rate of about 9 inches in about 18.6%; quasi single crystal (large particles) probably about 18%; the new diamond wire cutting rate can be converted to about 18.92%.
- Q: What is the impact of impurities on the reliability of solar silicon wafers?
- Impurities in solar silicon wafers can significantly impact their reliability. These impurities can alter the electrical properties of the wafers, affecting their performance and efficiency. For example, impurities like boron or phosphorus can introduce extra charge carriers, leading to reduced carrier lifetime and increased recombination, which lowers the overall conversion efficiency of the solar cells. Additionally, impurities can also result in defects or microcracks within the wafers, compromising their mechanical integrity and long-term reliability. Therefore, minimizing impurities during the manufacturing process is crucial to ensure the reliability and performance of solar silicon wafers.
- Q: How much does a solar silicon wafer weigh?
- A typical solar silicon wafer weighs around 4 to 6 grams.
- Q: What are the main challenges in the production of solar silicon wafers?
- The main challenges in the production of solar silicon wafers include the high energy consumption and environmental impact associated with the manufacturing process. Additionally, maintaining consistent quality and purity of the silicon material, ensuring optimal utilization of raw materials, and minimizing production costs are also significant challenges. Furthermore, managing the delicate handling and processing of the wafers to prevent damage or contamination is crucial for achieving high-performance solar cells.
- Q: What is the effect of surface passivation on solar silicon wafers?
- Surface passivation on solar silicon wafers has a significant positive effect on their efficiency and overall performance. It helps minimize surface recombination of electrons and holes, reducing energy losses and improving charge carrier lifetimes. This leads to enhanced solar cell efficiency, increased power output, and improved long-term stability. Surface passivation also helps reduce the impact of impurities and defects on the wafer surface, resulting in better light absorption and conversion of sunlight into electricity.
- Q: How do solar silicon wafers perform in high pollution areas?
- Solar silicon wafers can experience a decrease in their performance in high pollution areas due to a higher concentration of airborne particles, such as dust and smog, that can accumulate on their surface. These particles can block sunlight from reaching the wafers, reducing their efficiency in converting solar energy into electricity. Regular cleaning and maintenance of the solar panels can help mitigate the impact of pollution and ensure optimal performance.
- Q: Can solar silicon wafers be repaired if damaged?
- No, solar silicon wafers cannot be repaired once they are damaged.
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Crystalline Silicon Wafer Solar Cells - A Grade Polycrystalline Solar Cell 4.2W-4.3W
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 watt
- Supply Capability:
- 10000 watt/month
OKorder Service Pledge
OKorder Financial Service
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