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Topcon Cell Technology

G12 | 210 mm Cell Technology

G12 solar cells are large-format, high-efficiency photovoltaic (PV) cells designed to maximize power output and system performance. They feature a 210mm wafer size, making them larger than traditional M6 (166mm) and M10 (182mm) solar cells. This larger cell format allows for higher power generation per module, reducing the number of cells needed while minimizing electrical resistance and interconnection losses.

G12 cells integrate multi-busbar (MBB) technology, which enhances conductivity and reduces power loss, along with half-cut cell technology, which improves durability and shade tolerance. These cells operate at lower voltage and higher current, optimizing system compatibility for large-scale installations. Additionally, G12 cells are often used in bifacial solar modules, capturing sunlight from both the front and rear sides to boost total energy production. With higher efficiency, better thermal performance, and reduced system costs, G12 solar cells are an ideal choice for utility-scale, commercial, and industrial solar projects, delivering maximum power output, long-term reliability, and enhanced energy efficiency.

TECHNOLOGY FEATURES AND FUNCTIONS

G12 solar cells designed for low voltage and high current operation, they optimize system performance and inverter compatibility. Their superior temperature coefficients ensure reliable energy production in various climates, while bifacial module compatibility maximizes energy yield by capturing sunlight from both sides. G12 solar cells offer a high-performance, cost-effective solution for utility-scale, commercial, and industrial solar projects.

  • Large Cell Format (210 mm Wafer Size)
    • G12 solar cells use a 210mm wafer, making them larger than M6 (166 mm) and M10 (182 mm) cells.
    • Reduces the number of cells needed per module, lowering resistance losses and increasing power density.
  • Higher Power Output (600 W+ Modules)
    • Enables modules to achieve 600 W+ power output, ideal for utility-scale and large commercial installations.
    • Fewer modules are required to generate the same amount of energy, reducing system costs.
  • High Efficiency (More than 25%)
    • Advanced cell passivation and light-capturing technologies push efficiencies above 25%.
    • Generates more electricity per unit area, optimizing land and rooftop usage.
  • Multi-Busbar (MBB) Technology
    • Uses multiple thin busbars instead of traditional thicker ones.
    • Enhances electrical conductivity, lowers resistance losses, and improves overall module performance.
  • Half-Cut Cell Technology
    • Cells are split into two halves to reduce power loss and improve module durability.
    • Increases shade tolerance, ensuring more consistent power generation.
  • Low Voltage, High Current Design
    • Designed for lower voltage and higher current, optimizing system design for large installations.
    • Reduces the number of modules per string, improving compatibility with inverters.
  • Superior Temperature Coefficients
    • Performs better in high-temperature environments, minimizing efficiency loss.
    • Ensures reliable operation in harsh climates and extreme weather conditions.
  • Bifacial Module Compatibility
    • Works seamlessly with bifacial solar modules, capturing sunlight from both sides.
    • Boosts overall energy yield, especially in high-reflectivity environments (e.g., deserts, snowy areas).
  • Reduced Balance of System (BOS) Costs
    • Higher power per module means fewer modules, mounting structures, and wiring are required.
    • Lowers overall installation, labor, and maintenance costs.
  • Long-Term Durability & Reliability
    • Designed to withstand mechanical stress, microcracks, and environmental degradation.
    • Integrated with anti-LID (Light-Induced Degradation) and anti-PID (Potential Induced Degradation) technologies for long-term performance stability.

TECHNOLOGY BENEFITS

N-type solar cells offer several benefits that enhance their efficiency, performance, and overall value compared to other solar cell technologies. These benefits stem from their advanced construction and materials. In summary, N-type solar cells provide significant benefits, including higher efficiency, increased power output, enhanced durability, improved low-light performance, and long-term reliability. Their advanced technology and construction make them a superior choice for high-performance solar energy applications, offering long-lasting and reliable energy production.

High Efficiency

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N-Type solar cells use a passivated contact with a thin tunnel oxide layer to significantly reduce electron-hole recombination losses and improve charge carrier transport, resulting in higher efficiency and more effective sunlight-to-electricity conversion.

Increased Power Output

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N-type cells generate more power per unit area than conventional solar cells due to their higher efficiency and reduced losses, making them ideal for maximizing energy output in limited spaces.

Enhanced Durability

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N-type silicon in N-Type cells resists light-induced and potential-induced degradation better than p-type silicon and features a lower temperature coefficient, enhancing durability and performance in hot climates.

Long-Term Reliability

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N-Type cells, with their advanced materials and construction, provide stable performance over time, reducing the need for frequent replacements and maintenance.

Better Low Light Performance

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N-Type cells deliver better performance in low-light conditions, such as cloudy or overcast weather, by providing more consistent power output in varying weather conditions.

High-Quality Manufacturing

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The precision manufacturing process of N-Type cells ensures high quality and consistency, resulting in fewer defects and a more reliable product overall.

Enhanced Mechanical Stability

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The robust structural design of N-Type cells enhances their mechanical stability, making them more resistant to physical damage and environmental stressors.

Better Temperature Performance

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The lower temperature coefficient of N-Type cells results in less efficiency drop as temperatures rise, benefiting performance in hotter regions.

Environmental Resistance

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Advanced coatings and passivation layers in N-Type cells protect against moisture and UV radiation, reducing the risk of material degradation.

Beautiful Aesthetics

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N-Type cells are aesthetically pleasing due to their sleek, modern design and smooth, reflective surface, which seamlessly integrates with various architectural styles and solar solutions.

Cost-Effective

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Solar panels made from N-Type solar cells are cost-effective because they generate more electricity per unit area, reducing the number of panels needed and lowering installation and maintenance costs.

Investment Confidence

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Solar solutions with N-Type technology boosts investment confidence by ensuring higher efficiency, durability, and reliability, which leads to better long-term returns and reduced risk.
Topcon Cell Technology