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  • How do flexible solar panels compare to monocrystalline or polycrystalline ones? Feb 03, 2024
    Flexible solar panels, also known as thin-film solar panels, differ from traditional monocrystalline and polycrystalline solar panels in terms of materials, manufacturing processes, and flexibility. Here are some key points of comparison:   Material and Structure: Monocrystalline Solar Panels: Made from a single crystal structure, typically silicon. They are known for their high efficiency and space efficiency, making them suitable for applications with limited space. Polycrystalline Solar Panels: Composed of multiple crystals, usually silicon. They are less efficient than monocrystalline panels but are cost-effective and have a quicker manufacturing process.   Flexible Solar Panels (Thin-Film): Made from lightweight and flexible materials like amorphous silicon, cadmium telluride, or copper indium gallium selenide (CIGS). They are more adaptable and can be integrated into various surfaces.   Efficiency:   Monocrystalline and Polycrystalline Panels: Generally have higher efficiency compared to flexible solar panels. Monocrystalline panels tend to have the highest efficiency among all types of solar panels. Flexible Solar Panels: Historically, thin-film panels have had lower efficiency than crystalline silicon panels. However, advancements in technology have improved the efficiency of flexible panels, making them more competitive.   Flexibility and Weight:   Monocrystalline and Polycrystalline Panels: Rigid and heavier compared to flexible panels. They are typically mounted on fixed structures like rooftops or ground mounts. Flexible Solar Panels: Lightweight and flexible, allowing for integration into curved surfaces or applications where traditional panels may be impractical.   Durability and Lifespan:   Monocrystalline and Polycrystalline Panels: Generally have a longer lifespan and better durability than flexible panels. Flexible Solar Panels: While improvements have been made, thin-film panels may have a shorter lifespan and are more susceptible to damage from environmental factors.]   Cost:   Monocrystalline and Polycrystalline Panels: Generally cost-effective and have become more affordable over time. Flexible Solar Panels: Initially, thin-film panels were more expensive on a per-watt basis, but manufacturing advancements have led to cost reductions. They may still be more expensive than traditional panels, but the price gap has been narrowing.   Applications:   Monocrystalline and Polycrystalline Panels: Commonly used in traditional solar installations, such as residential and commercial rooftops and ground-mounted solar farms. Flexible Solar Panels: Suited for applications where flexibility is crucial, such as solar backpacks, curved surfaces, or portable solar panels.   In summary, the choice between flexible, monocrystalline, or polycrystalline solar panels depends on specific project requirements, space limitations, and budget considerations. Advances in technology continue to shape the solar industry, and ongoing research may further improve the efficiency and cost-effectiveness of flexible solar panels.  
  • LONGi Green Energy applies for a solar cell patent to improve cell efficiency. Jan 22, 2024
    On 17th January 2024, according to the announcement of the State Intellectual Property Office, LONGi Green Energy Technology Co., Ltd. applied for a patent titled "Electrode Metallisation Method of Solar Cells, Modules, and Systems", with Publication No. CN117410382A, and the filing date of November 2023, the abstract shows that the application discloses a metallization method of electrodes of solar cells, modules, and systems. According to the patent's abstract, the present application discloses a method of metalizing electrodes of a solar cell, module, and system. Among other things, said electrode metallization method comprises: preparing a conductive metallic material layer on a doped region; preparing a dielectric layer on a silicon substrate and said metallic material layer; and treating said dielectric layer to expose said metallic material layer to obtain a metallic electrode. The electrode metallization method of the embodiments of the present application ensures that reliably exposing the electrode does not damage the passivation contact, and at the same time has an annealing effect on the metallic material layer, which optimizes the ohmic contact between the metallic material layer and the doped region, and thus improves the efficiency of the battery.  
  • The Solarasia team participated in a fire safety lecture on Thursday. Jan 18, 2024
    On Thursday, all the members of Anhui Solarasia Energy Technology Co., Ltd, participated in a fire safety lecture, which was hosted by instructor Cao. Instructor Cao showed the fire cases to all members of Solarasia, and explained in detail the common fire safety hazards and types of fire fighting equipment. Employees and instructor Cao had a positive Q&A interaction, which made the knowledge of fire safety penetrate into the hearts of the people in a laughing atmosphere.  
  • The Solarasia team has an annual summary on Friday! Dec 31, 2023
      On Friday, our team had an in-group communication meeting. After an in-depth discussion of the current sales platforms and the market situation, the product managers of Solarasia's professional team conducted their annual self-criticisms and reflections, and are ready to provide the most professional service to our existing and future customers. As a supplier of high-quality photovoltaic products, Solarasia is confident about the new year, seizing every upcoming opportunity and preparing for new challenges. We would like to thank all our customers for their trust and co-operation in the last year. In the new year, our team will continue to improve and develop, and we will still offer our best and most professional knowledge to serve our customers. 
  • Do you know what the Topcon technology for photovoltaic cells is? Nov 20, 2023
    When talking about the Topcon technology (Topcon technology All Black Solar Panel) for photovoltaic cells, we are actually talking about an advanced solar cell production technology that offers significant advantages in terms of improved cell conversion efficiency and performance. topcon, or "Tunnel Oxide Passivated Contact", is a surface engineering method that achieves enhanced electron conductivity and carrier surface complex losses by introducing specific amorphous silicon (a-Si) or microcrystalline silicon (μc-Si) thin films to the front and back surfaces of the cell. Topcon, or "Tunnel Oxide Passivated Contact", is a surface engineering method that enhances electronic conductivity and reduces carrier surface complex losses by introducing specific amorphous silicon (a-Si) or microcrystalline silicon (μc-Si) films on the front and back surfaces of the cell.    The core idea of the Topcon technology lies in the fact that passivation films are applied to both the positive (front surface) and negative (back surface) surfaces of the photovoltaic cell during the fabrication process, and these films play a key role in reducing electron-hole complex losses, improving electronic conductivity, and inhibiting surface reactions.   In the process, firstly, a layer of amorphous silicon or microcrystalline silicon film is coated on the front and back surfaces of the cell, respectively, by methods such as physical vapour deposition (PECVD). These films have excellent electronic conductivity and passivation properties, which can effectively reduce the surface compounding phenomenon of carriers. In addition, by forming a special oxide layer called "tunnel oxide" on the front surface of the cell, the collection and transport of carriers can be further enhanced, thus improving the efficiency of the cell.   The advantage of the Topcon technology is that it integrates the optimisation of the performance of the positive and negative surfaces through the design of the double-sided passivation, which significantly reduces the loss of electrons and holes from the complex on the surface. This helps to improve the efficiency of PV cells and provide more stable performance, especially in high temperature environments.   However, it is to be noted that the manufacturing process of the Topcon technology is more complex than the conventional process, which may lead to an increase in production costs. Therefore, in practical applications, the choice of whether to adopt the Topcon technology needs to be based on a combination of investment costs and the benefits of efficiency improvements. Overall, the Topcon technology represents an significant technological innovation in the field of solar cells and offers potential opportunities for further development of the photovoltaic industry and improvement of energy conversion efficiency.
  • Do you know what N-Type TOPCon means and what P-Type TOPCon means? Nov 20, 2023
    N-Type TOPCon (N-Type Solar Panel) is a Tunnel Oxide Passivated Contact (TOPCon) solar cell technology based on the selective carrier principle. The cell structure of this technology is an N-type silicon substrate cell, an ultra-thin layer of silicon oxide is prepared on the backside of the cell, and then a thin layer of doped silicon is deposited, which together form a passivated contact structure. This technology effectively reduces the surface composite and metal contact composite, for N-PERT cell conversion efficiency to further enhance the provision of greater space.   Compared to conventional P-type PERC cells, N-type TOPCon cells have higher oligo lifetime and better performance, which gives N-type TOPCon cells more room for conversion efficiency improvement. In addition, N-Type TOPCon cells have better double-sidedness, which contributes to higher module power and power generation.   In conclusion, N-TOPCon is an advanced photovoltaic technology with great potential for development. By improving the conversion efficiency, reduce costs and improve reliability, N-type TOPCon cells can become the core competitiveness of the future photovoltaic market, the highest conversion rate is known to the public information in the independent research and development of J-TOPCon3.0 POPAID technology and M10 size n-type cell up to 26.7%.   P-type TOPCon is another type of photovoltaic cell and the difference between N-type TOPCon is as follows:   Raw material: N-type photovoltaic cells are doped with elemental phosphorus, while P-type photovoltaic cells are doped with elemental boron. Conductivity: N-type photovoltaic cells are electronically conductive, while P-type photovoltaic cells are hole conductive. Lesson life: N-type photovoltaic cells have a longer lesson life, while P-type photovoltaic cells have a shorter lesson life. Performance: N-type photovoltaic cells have higher conversion efficiency, shorter process, better resistance to attenuation, lower temperature coefficient, but higher production cost. The P-type photovoltaic cell conversion efficiency is lower, the process is longer, poorer attenuation resistance, higher temperature coefficient, but the production cost is lower. Development trend: the current development trend of N-type photovoltaic cells is more obvious, because of its higher conversion efficiency, shorter process, better anti-attenuation, lower temperature coefficient, which is conducive to improving photovoltaic power generation and reduce power generation costs.
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