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The term TOPCon stands for Tunnel Oxide Passivated Contact and describes the specific structure of a solar cell. The novel cell architecture was presented by researchers at the Fraunhofer Institute for Solar Energy Systems in Freiburg in , but it still took a few years until the first TOPCon modules came onto the market.
The basic idea of &#;&#;the TOPCon concept is that the metal of the connection contacts does not come into contact with the silicon layer. This prevents charge carrier recombination, which typically causes performance losses at the rear of the cell.
To prevent recombination, a very thin layer of silicon oxide (just a few nanometers) is applied to the surface of the solar cell. This SiO&#; layer passivates the surface, i.e. it blocks the passage of a type of charge carrier. However, the layer is so thin that the current can &#;tunnel through&#; quantum mechanically. In addition to this &#;tunnel layer&#;, another layer of highly doped silicon is inserted, which improves electrical conductivity and reduces transmission losses.
Before choosing N-TopCon battery panels, we should actually briefly understand what N-TopCon technology is, so as to better analyze what type of version to purchase and better select the suppliers we need.
What is N-TopCon Technology
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N-TopCon technology is a method used in the production of solar cells. It involves the creation of a special type of solar cell where the contact points (where the electrical connections are made) are located on the top surface of the cell.
Simply put, N-TopCon technology can improve the efficiency of battery cells, increase the power generation on the back, and provide longer quality assurance.
The main difference between N-TopCon and P-type solar panels lies in the type of semiconductor material used in the solar cells and the arrangement of the contact points.
1.Efficiency and Performance:
N-TopCon technology is known for its high efficiency and better performance in low-light conditions compared to traditional P-type solar panels. The use of n-type silicon and the top contact design contribute to these advantages.
2.Cost and Manufacturing:
N-TopCon technology is generally more expensive to manufacture compared to traditional P-type solar panels. However, the higher efficiency and performance may justify the higher cost in certain applications, especially where space is limited or efficiency is crucial.
B.How to identify N-TopCon solar panels.
Manufacturer's Specifications: Check the manufacturer's specifications or product information. Manufacturers of N-TopCon panels typically highlight this technology in their product descriptions.
Backsheet: N-TopCon panels may have a different backsheet design or color compared to traditional panels. Look for any markings or labels on the back of the panel that indicate the use of N-TopCon technology.
.
N-TopCon solar panels typically have higher efficiency compared to traditional solar panels. The efficiency can range from around 20% to 25% or higher, depending on the manufacturer and specific technology used.
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Common combinations include panels with 132 or 144 cells, with larger panels typically having higher power outputs ranging from 400W-730W.
Now OCEAN SOLAR launches half-celsl N-Topcon solar panels for customers, AOX-144M10RHC430W-460W ( M10R series 182*210mm N-Topcon solar half-cells ) AOX-72M10HC550-590W ( M10 series 182*182mm N-Topcon solar half-cells)
If you want to learn more, please visit our website Topcon N-type Solar Panel Supplier.
AOX-132G12RHC600W-630W (G12R series 182*210mm N-Topcon solar half-cells) AOX-132G12HC690W-730W (G12 series 210*210mm N-Topcon solar half-cells)
C.Should I choose
BIFACIALor
MONOFACIALN-TopCon solar panels?
N-TopCon solar panels can be used in both monofacial and bifacial configurations. The choice between MONOFACIAL and BIFACIAL panels depends on various factors such as installation location, available space, and budget.
1.
Monofacial Solar
Panel:These panels have active solar cells on only one side, typically the front side. They are the most common type of solar panel and are suitable for most installations where only one side of the panel receives direct sunlight.
2.
Bifacial Solar Panel:These panels have solar cells on both the front and back sides, allowing them to capture sunlight on both sides. Bifacial panels can generate additional energy by capturing reflected and diffused light, making them ideal for installations with reflective surfaces such as white roofs or light-colored ground cover.
The decision to choose between single-sided and double-sided N-TopCon panels should be based on factors such as the installation environment, shading conditions, and the additional cost and benefits of bifacial panels.
D.What are the quality N-topCon solar panel suppliers in China?
Trina Solar Co., Ltd.:
Trina solar is one of the leading manufacturers of N-TopCon solar panels. They are known for their high-efficiency modules and extensive experience in the solar industry. Trina's N-TopCon panels offer competitive efficiency rates and robust performance.
JA Solar Co., Ltd.:
Another major player, JA Solar, produces high-quality N-TopCon solar panels. They focus on delivering high-efficiency and durable products, catering to both large-scale industrial applications and residential installations.
Risen Energy Co., Ltd.:
Risen Energy is recognized for its innovative solar solutions, including N-TopCon technology. Their panels are known for their excellent efficiency and long-term reliability, making them a popular choice in various markets.
Jinko Solar Co., Ltd.:
Jinko Solar is a prominent global solar module manufacturer, offering N-TopCon panels that boast high conversion efficiencies and strong performance metrics. Their products are widely used in commercial and utility-scale solar projects.
Ocean Solar Co., Ltd.:
ocean solar with over 12 years of experience as a professional solar panel manufacturer and supplier.
We have developed a range of high quality solar panels suitable for a variety of applications. Solar panel products range from 390W to 730W, including single-sided, all-black, double-glass, transparent backsheet, and all-black double-glass series. Automated production line, Tier 1 quality assurance.
If you are looking for more details, kindly visit all black solar panels.