Solar Cell Silicon Wafer - Polycrystalline Solar Silicon Wafer, 125*125mm
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-
- Loading Port:
- Shanghai Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 Pieces PCS
- Supply Capability:
- 700MW/Per Year PCS/month
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Specifications of Poly Solar Wafers
|
Product name |
Poly Wafer |
| Conductive type | P Type |
| Square size wafer (mm) | 125×125±0.5 |
| 219.20±0.5 | |
| Corner (mm)
|
1±0.5、45°±10º |
| 200±20 | |
| Total thickness（um） | ≤40 |
| Resistivity ranges（Ωcm） | 1-3 |
| Doping elements | boron |
| Carbon content（atoms/cc） | ≤8*1017 |
| Oxygen content（atoms/cc） | ≤1*1018 |
| Lifetime（μs） | ≥2 |
| Surface quality | No crack, gap, missing Angle, perforated, window, microcrystalline |
| Warping degrees（μm） | ≤50 |
| Neighbouring vertical degree | 90±0.5° |
| Side damage（mm） | ≤0.5mm（length）×0.3mm（width），(not more than 2 per wafer) |
| Line mark（μm） | ≤15 |
Advantages of Poly Solar Wafers
1. High efficiency and High power.
2. Long-term electrical stability.
3. Lowest price and Fastest delivery.
4. Good quality and good service.
5. Bulk supply
6. Good Warranty
7. Big Sale
8. More than 25 years on the lifetime.
Usage and Applications of Poly Solar Wafer
Poly Solar Wafers mainly used to make Poly Solar Cells. Our wafers are your best choice of raw material, which can greatly improve the performance of the Solar Cells and Solar Modules.
Packaging & Delivery of Poly Solar Wafer
Carton Box Package and Deliver by air. It should be noticed that it should be avoid of water, sunshine and moist.
Factory of Solar Wafers
Package Picture of Solar Wafer
- Q: How is the doping level of a solar silicon wafer controlled?
- The doping level of a solar silicon wafer is controlled through a process known as doping. Doping involves the intentional introduction of impurities into the silicon crystal lattice to alter its electrical properties. This is achieved by diffusing specific atoms, such as boron or phosphorus, into the silicon wafer during its manufacturing process. The concentration of these impurities determines the doping level, with higher concentrations leading to higher levels of doping. By carefully controlling the amount and distribution of these impurities, manufacturers can achieve the desired doping level to optimize the solar wafer's electrical conductivity and performance.
- Q: Can solar silicon wafers be used in solar-powered charging stations?
- Yes, solar silicon wafers can be used in solar-powered charging stations. These wafers are a key component in producing solar cells, which convert sunlight into electricity. Solar-powered charging stations utilize solar cells to capture sunlight and convert it into electrical energy to charge various devices. Therefore, solar silicon wafers play a crucial role in the functioning of solar-powered charging stations.
- Q: How do solar silicon wafers perform in high humidity conditions?
- Solar silicon wafers generally perform well in high humidity conditions. However, prolonged exposure to high humidity can potentially lead to a decrease in their efficiency over time. The moisture in the air may cause corrosion or create a film on the surface of the wafers, reducing their ability to absorb sunlight and generate electricity. To minimize the impact of humidity, proper encapsulation and protection techniques are adopted during the manufacturing process of solar panels to ensure their longevity and maintain optimal performance in varying environmental conditions.
- Q: Are there any ongoing research efforts to enhance the efficiency of solar silicon wafers?
- Yes, there are ongoing research efforts to enhance the efficiency of solar silicon wafers. Researchers are working on various approaches such as developing new materials and technologies to increase light absorption, reducing energy losses due to recombination, improving surface passivation, and exploring novel cell architectures. These efforts aim to increase the conversion efficiency of solar silicon wafers, ultimately leading to more cost-effective and efficient solar panels.
- Q: What is the size of a typical solar silicon wafer?
- A typical solar silicon wafer has a size of around 156mm by 156mm, or 6 inches by 6 inches.
- Q: How is an encapsulant applied to a solar silicon wafer?
- An encapsulant is typically applied to a solar silicon wafer through a process called lamination. This involves placing the wafer between two layers of encapsulant material, such as EVA (ethylene-vinyl acetate), and then subjecting it to heat and pressure. The heat melts the encapsulant, enabling it to bond with the wafer, while the pressure ensures uniform distribution of the material and helps to remove any air bubbles. This lamination process provides protection to the solar silicon wafer from environmental factors and enhances its durability and performance.
- Q: How do solar silicon wafers contribute to energy security?
- Solar silicon wafers contribute to energy security by enabling the production of solar panels, which harness the abundant and renewable energy from the sun. This reduces dependence on fossil fuels and diversifies the energy mix, making it less vulnerable to price fluctuations and supply disruptions. Additionally, solar silicon wafers facilitate the decentralization of energy production, allowing households and businesses to generate their own electricity and rely less on centralized power grids. Overall, the use of solar silicon wafers promotes sustainable and reliable energy sources, enhancing energy security for individuals, communities, and countries.
- Q: What is the role of doping on solar silicon wafers?
- The role of doping on solar silicon wafers is to intentionally introduce impurities into the silicon material to modify its electrical properties. Doping helps create both p-type (positively charged) and n-type (negatively charged) regions within the silicon, forming a p-n junction that allows for the efficient conversion of sunlight into electricity in solar cells.
- Q: How are solar silicon wafers tested for mechanical strength and durability?
- Solar silicon wafers are tested for mechanical strength and durability through a series of rigorous tests. These tests typically involve subjecting the wafers to various mechanical stresses, such as bending, twisting, or impact, to determine their resistance to physical damage. Additionally, wafers may undergo tests to assess their ability to withstand thermal cycling and environmental conditions like humidity and temperature fluctuations. These evaluations ensure that the solar silicon wafers can endure the mechanical demands and harsh conditions they will encounter during their lifetime in solar panels.
- Q: What is the role of front surface texturing on solar silicon wafers?
- The role of front surface texturing on solar silicon wafers is to enhance light absorption and reduce reflection. This texturing process creates tiny indentations or bumps on the wafer's surface, which helps to scatter light and increase the chances of it being absorbed by the solar cells. By reducing reflection, more sunlight can be utilized for electricity generation, thus improving the overall efficiency of the solar panel.
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Solar Cell Silicon Wafer - Polycrystalline Solar Silicon Wafer, 125*125mm
- Ref Price:
-
- Loading Port:
- Shanghai Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 Pieces PCS
- Supply Capability:
- 700MW/Per Year PCS/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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