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
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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 are solar silicon wafers protected from damage during transportation?
- Solar silicon wafers are typically protected from damage during transportation through the use of specialized packaging materials and handling procedures. These wafers are often enclosed in anti-static and shock-absorbing packaging materials such as foam or bubble wrap to prevent any impact or vibration-related damage. Additionally, they are typically stored in sturdy containers or crates to ensure safe transportation and minimize the risk of breakage.
- Q: What is the impact of crystal orientation on solar silicon wafers?
- The crystal orientation of solar silicon wafers has a significant impact on their electrical and optical properties. The orientation determines the arrangement and alignment of atoms in the crystal lattice, which affects the efficiency and performance of solar cells. For example, monocrystalline silicon wafers with a single crystal orientation (typically <100> or <111>) have higher electron mobility and lower defect density, resulting in better conductivity and higher conversion efficiency. These wafers are more expensive to produce but offer greater energy output. Polycrystalline silicon wafers, on the other hand, consist of multiple crystal orientations and have lower electron mobility and higher defect density. They are less expensive but have lower conversion efficiency compared to monocrystalline wafers. The crystal orientation also influences the behavior of light absorption and reflection within the solar cell. The alignment of crystal planes affects the optical properties of the wafer, determining its ability to capture and convert sunlight into electricity. In summary, the crystal orientation of solar silicon wafers directly impacts their electrical conductivity, conversion efficiency, and optical properties, ultimately influencing the overall performance and cost-effectiveness of solar cells.
- Q: How are solar silicon wafers affected by temperature coefficient?
- Solar silicon wafers are affected by temperature coefficient in that their electrical performance, specifically their power output, is influenced by temperature changes. The temperature coefficient indicates how the efficiency of solar panels decreases with increasing temperature. A higher temperature coefficient means that the power output of the solar panels decreases more rapidly as the temperature rises. Therefore, understanding and accounting for the temperature coefficient is crucial in accurately assessing and predicting the performance of solar silicon wafers under different temperature conditions.
- Q: Are solar silicon wafers flexible?
- No, solar silicon wafers are not flexible. They are rigid and brittle in nature.
- Q: Why the resistivity of silicon wafer is high and low
- If it is caused by changes in temperature resistance, it is normal;
- Q: What is the purpose of an anti-reflective coating on a solar silicon wafer?
- The purpose of an anti-reflective coating on a solar silicon wafer is to minimize the reflection of sunlight and increase the absorption of light by the wafer. This helps to improve the efficiency of the solar cell by allowing more light to be converted into electricity.
- Q: I would like to ask the unit in the production of silicon production line workers do harm to the body? (is the production of monocrystalline silicon, polycrystalline silicon photovoltaic enterprises)
- There are still some damage, some of the silicon wafer plant dust, strong acid, alkali, more depends on the configuration of the factory environment and labor insurance supplies
- Q: How many watts can a piece of silicon produce
- A piece of silicon chip, 156*156 efficiency of 17.4%, a single chip power of about 4.2 watts, that is, under the 1000w/m2 light, power generation is 4,2w, you can calculate the amount of electricity by irradiation time.
- Q: How do solar silicon wafers perform in low light conditions?
- Solar silicon wafers perform relatively less efficiently in low light conditions compared to bright sunlight. This is because they rely on sunlight to generate electricity through the photovoltaic effect. However, advancements in technology have improved their performance in low light conditions, allowing them to still produce some electricity even in dim light.
- Q: How is a grounding wire connected to a solar silicon wafer?
- A grounding wire is typically connected to a solar silicon wafer through a conductive adhesive or soldering. The wire is securely attached to the wafer's metallic frame or a designated grounding point on the solar panel, ensuring a direct path for any electrical charges to safely dissipate into the ground, reducing the risk of electrical hazards.
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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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