Silicon Wafer Solar Cell - 4w S Grade 156.75*156.75mm Polycrystalline Solar Cell

Silicon Wafer Solar Cell - 4w S Grade 156.75*156.75mm Polycrystalline Solar Cell System 1

Silicon Wafer Solar Cell - 4w S Grade 156.75*156.75mm Polycrystalline Solar Cell

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Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 100 watt

Supply Capability:: 10000 watt/month

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4W A Grade 156.75*156.75mm Polycrystalline Solar Cell

Solar Module Summarize

Solar Module is the core part of solar PV power systems,also is the highest value part of it. The function of Solor Module is to convert the sun's radiation to electrical energy, or transfer it to battery and store in it, or to drive the load running.
The Product has been widely used in space and ground, it mainly used for power generation systems, charging systems, road lighting and traffic signs areas. It could offer a wide range of power and voltage, and with high conversion efficiency, and long service life.

Main Characteristic

Long Service Life
High Efficiency Solar Cells
Special Aluminum Frame Design
High Transmission, Low Iron Tempered Glass
Advanced Cell Encapsulation

APPLICATIONS
Solar power stations
Rural electrification, Small home power systems
Power supply for traffic, security, gas industry
12V and 24V battery charging system
Other industrial and commercial application

Typical I-V curve

Product Show

4W S Grade 156.75*156.75mm Polycrystalline Solar Cell

Warranties

6Inch 2BB Polycrystalline Multi Solar Cells Mono Solar Cell

For c-Si panel: 25years output warranty for no less than 80% of performance, 10 years output warranty for no less than 90% of performance. Free from material and workmanship defects within 5 years.

For a-Si panel: 20 years output warranty for no less than 80% of performance, 10 years output warranty for no less than 90% of performance. Free from material and workmanship defects within 2 years.

Q:What is the impact of wafer surface quality on solar silicon wafer performance?: The impact of wafer surface quality on solar silicon wafer performance is significant. A high-quality wafer surface ensures better light absorption and reduces energy loss due to reflections. It also helps in improving the efficiency of solar cells by minimizing recombination and enhancing charge carrier collection. Additionally, a smooth and defect-free surface enables better adhesion and electrical contact during the manufacturing process, leading to more reliable and durable solar panels.

Q:What is the impact of temperature on the performance of solar silicon wafers?: The impact of temperature on the performance of solar silicon wafers is significant. Higher temperatures generally lead to a decrease in the efficiency of solar cells, resulting in reduced power output. This is primarily due to the increased resistance within the silicon material, which leads to a higher voltage drop and lower current flow. Additionally, higher temperatures can cause an increase in the rate of electron-hole recombination, further reducing the efficiency of the solar cell. Therefore, it is crucial to manage and control the temperature to optimize the performance of solar silicon wafers and maximize their energy conversion capabilities.

Q:What are the main manufacturers of solar silicon wafers?: Some of the main manufacturers of solar silicon wafers include companies like REC Silicon, Wacker Chemie, Hemlock Semiconductor Corporation, and Shin-Etsu Chemical Co., Ltd.

Q:What is the purpose of a junction box in a solar silicon wafer?: The purpose of a junction box in a solar silicon wafer is to provide a safe and secure enclosure for the electrical connections and components of the solar panel. It helps protect the wiring from environmental factors such as moisture and dust, and facilitates the connection of multiple solar panels in an array. Additionally, the junction box includes diodes that prevent reverse current flow, ensuring optimal performance and efficiency of the solar panel.

Q:How do solar silicon wafers handle extreme temperatures?: Solar silicon wafers are designed to handle extreme temperatures quite well. They are typically made from high-grade silicon materials that can withstand both very high and low temperatures. The silicon material has a high melting point and excellent thermal stability, allowing it to handle the heat generated from sunlight and the surrounding environment. Additionally, solar cells are often encapsulated with protective layers and materials that provide further insulation and temperature resistance. This ensures that solar silicon wafers can continue to generate electricity efficiently, even in extreme temperature conditions.

Q:Why the resistivity of silicon wafer is high and low: If the thermistor is more normal. For example, when you hold your hands

Q:What is the expected payback period for a solar panel with silicon wafers?: The expected payback period for a solar panel with silicon wafers can vary depending on factors such as the initial cost of the panel, the efficiency of the panel, the amount of sunlight it receives, and the local electricity rates. On average, the payback period for a solar panel with silicon wafers is typically around 5 to 10 years. However, with advancements in technology and decreasing costs, the payback period is gradually reducing, making solar panels a more attractive and financially viable investment in the long run.

Q:I am not learning electricity, the problem is not professional please understandFor example, in the past, we are in the physics of the secondary wire or wire that is connected to the resistance in the integrated circuit is how to reflect? I know it is the use of lithography technology, is not equivalent to the formation of a line into a line (corrosion into the groove)? And then connect the resistors and capacitors: And for why it's cheaper to use silicon, it's not because of its semiconductor nature that it uses it. The formation of P and N, a multi hole, a multi electron, and thus the role of different doping. GaAs expensive, but the performance is good, mostly for high-speed circuits and military aspects.

Q:Are solar silicon wafers flexible?: No, solar silicon wafers are not flexible. They are rigid and brittle in nature.

Q:What is the effect of impurities on the performance of solar silicon wafers?: Impurities in solar silicon wafers can negatively impact their performance in multiple ways. Firstly, impurities can alter the optical properties of the material, reducing its ability to efficiently absorb sunlight. This leads to a decrease in the overall conversion efficiency of the solar cell. Secondly, impurities can introduce defects and recombination centers in the crystal lattice of the silicon, reducing the ability of the material to generate and transport charge carriers. This results in a decrease in the electrical conductivity and overall performance of the solar cell. Moreover, impurities can also lead to increased series resistance, reducing the current flow within the solar cell. This lowers the output power and overall performance of the solar panel. Therefore, minimizing impurities in solar silicon wafers is crucial to ensure optimal performance and efficiency of solar cells and panels.

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