Silicon Wafer in Solar Photovoltaic Cells - Polycrystalline/Multiple Solar Silicon Wafer 156*156
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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 Polycrystalline Silicon Wafer
Format : 156 mm × 156 mm ± 0.5 mm
Thickness : 200μm ± 10 μm
| Product name | Poly Wafer |
| Conductive type | P Type |
| Square size wafer (mm) | 156×156±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 |
Usage and Applications of Poly Wafers
Poly Solar Wafers mainly used in Poly Solar Cells, with high efficiency and reliable quality. Our Wafer can promise the 25 years life span and have passed PID test.
Packaging & Delivery of Poly Wafers
Carton Box Package and Deliver by air
Factory Picture of Poly Wafers
Package Picture of Poly Wafers
- Q:How are solar silicon wafers connected in a solar array?
- Solar silicon wafers are typically connected in a solar array through a process called soldering. Soldering involves joining the wafers together using a conductive material, such as silver paste or copper ribbon, which creates electrical connections between the individual cells. This allows the solar cells to work collectively and generate electricity when exposed to sunlight.
- Q:How does the efficiency of a solar silicon wafer change with dust accumulation?
- The efficiency of a solar silicon wafer decreases with dust accumulation. Dust particles on the surface of the wafer act as barriers, preventing sunlight from reaching the silicon cells, which hampers the conversion of solar energy into electricity. As a result, the overall power output of the solar panel decreases, leading to a reduction in efficiency. Regular cleaning and maintenance of solar panels are necessary to minimize dust accumulation and maximize their performance.
- Q:Can solar silicon wafers be used in concentrated solar power systems?
- Yes, solar silicon wafers can be used in concentrated solar power (CSP) systems. These wafers can be used to produce photovoltaic cells, which convert sunlight directly into electricity. In CSP systems, these cells are typically used in conjunction with mirrors or lenses to concentrate the sunlight onto the wafers, increasing their efficiency. Therefore, solar silicon wafers are a viable option for generating electricity in concentrated solar power systems.
- Q:Are there any advancements in solar silicon wafer surface texturing techniques?
- Yes, there have been advancements in solar silicon wafer surface texturing techniques. Researchers and engineers have been exploring various methods to enhance the efficiency of solar cells by improving the light absorption capacity of silicon wafers. Some recent advancements include laser texturing, chemical etching, and nano-imprinting techniques, which help create unique surface textures that increase the trapping and absorption of sunlight, leading to improved energy conversion. These advancements aim to maximize the performance of solar cells and contribute to the overall growth and adoption of solar energy technology.
- Q:What are the advantages of using a solar silicon wafer in solar cells?
- There are several advantages of using a solar silicon wafer in solar cells. Firstly, silicon is the most abundant element on Earth, making it a cost-effective and easily accessible material for solar cell production. Secondly, silicon has excellent light absorption properties, allowing it to efficiently convert sunlight into electricity. Additionally, silicon wafers are durable and have a long lifespan, ensuring the longevity and reliability of solar cells. Finally, silicon wafers can be easily integrated into existing solar cell manufacturing processes, making it a versatile and widely used material in the solar industry.
- Q:Can solar silicon wafers be used in solar-powered telecommunications systems?
- Yes, solar silicon wafers can be used in solar-powered telecommunications systems. Solar silicon wafers are commonly used in photovoltaic cells to convert sunlight into electrical energy, which can be utilized to power various devices including telecommunications systems.
- Q:What is the role of front contacts on solar silicon wafers?
- The role of front contacts on solar silicon wafers is to facilitate the flow of current generated by the sunlight-absorbing material within the wafer. These contacts, typically made of metal, are strategically placed on the front surface of the wafer to create a conductive path for the generated electricity to be collected and transferred to the external circuitry. They help maximize the efficiency of the solar cell by minimizing resistive losses and allowing the harvested energy to be utilized for various applications.
- Q:How are solar silicon wafers affected by photon recycling?
- Solar silicon wafers are positively affected by photon recycling, as it helps improve their overall efficiency and performance. Photon recycling refers to the process where photons that were previously absorbed by the silicon material within the solar cell are emitted back into the cell, allowing them to be reabsorbed and generate additional electricity. This recycling of photons helps increase the chances of photon absorption within the solar cell, leading to a higher conversion of sunlight into usable energy. Overall, photon recycling plays a crucial role in enhancing the efficiency and output of solar silicon wafers.
- Q:How long do solar silicon wafers last?
- Solar silicon wafers have a long lifespan and can last for several decades. With proper maintenance and care, they can continue to generate electricity efficiently for at least 25 to 30 years.
- Q:Wafer size6 inches and 8 inches only refers to the diameter of monocrystalline silicon?Recently heard that the polysilicon film also has 6 inches and 8 inches, 6 inches of polysilicon is 125mm*125mm square, which is 8 inches 156mm*156mm 6 inches, but the conversion is 150.2mm, there is nothing like 125mm, if 6 inches is diagonal, the square of the 125mm wafer diagonal length 176.75mm also, not 6 inches?In addition, the 8 inch silicon wafer size also has similar doubts, to solve the.Thanks!
- Another 6 inches =152.4mm, 8 inches =203.2mmThe following is a general standard for monocrystalline silicon wafers:6 "x09153mm is more than phi = 158 mm6.2 "x09159 mm = phi = 164 mm6.5 "x09168 mm = phi = 173 mm8 "x09203 mm = phi = 208 mm
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Silicon Wafer in Solar Photovoltaic Cells - Polycrystalline/Multiple Solar Silicon Wafer 156*156
- 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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