Product Specifications

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Product Description

Overlapping solar cell technology is one of the highly efficient component technologies. Unlike traditional packaging processes, it can effectively improve component conversion efficiency.

Among the many technological breakthroughs, a unique component packaging technology breaks through the mesh connection of traditional crystalline silicon components and completely changes the crystalline silicon assembly technology. Compared to conventional PERC monocrystalline modules, it can deliver more than 7% of electricity in 25 years, resulting in an additional 17% of electricity, saving about 10% in system cost. What is this technology? What impact will it bring to the photovoltaic industry?

This technology can increase the effective power generation area and make full use of the component area. In the same area, it can hold 6% more batteries than conventional components.

JDSOLAR's overlapping solar cell technology optimizes the component structure, greatly reducing the internal losses of the components and greatly increasing the output power of the components. It ensures minimum power loss during component packaging, effectively reducing the effects of reverse current and component hotspot effects, and has good reliability.

In addition, overlapping solar cell technology can be combined with a variety of new battery technologies (eg, PERC, black silicon, HIT, N-type, etc.) to maximize the performance of high efficiency photovoltaic cells.

JDSOLAR overlapping solar cell technology: no need to leave the spacing of the silicon!

Conventional crystalline silicon component technology basically uses a conventional metal soldering strap to connect the battery, which has its own drawbacks. The overlapping solar cell between the battery and the gate line, the light receiving area of the solder resist tape, the line loss of the gate line and the solder strip, and the thermal expansion and contraction caused by the temperature all have great conversion efficiency and performance stability to the component. influences.

JDSOLAR's highly efficient overlapping solar cell technology is to slice the cells and then use a special conductive paste to connect the cells into a string. And the connection method of the lamination is adopted, so that the two batteries have no gap before and after, and the limited light receiving area on the component is fully utilized, and the output power is higher, and the strip tile technology effectively reduces the internal loss of the component. Finally, the conversion efficiency of the strip member is greatly improved.

In terms of reliability, the overlapping solar cells are connected in such a way that they decompose the stress on the battery, which is better able to withstand mechanical loads and has fewer cracks than conventional components. In addition, overlapping solar cells are more resistant to shadow occlusion, lower operating temperatures, and the like. These advantages ensure their reliability.

JDSOLAR's highly efficient overlapping solar cell technology is 10% more powerful than traditional component products and continues to create the highest power record.

JDSOLAR overlapping solar cell technology advantages

The JDSOLAR overlapping solar modules currently produced using this technology are greatly optimized in terms of conversion efficiency, system cost and reliability. The board power reaches 400W and the conversion efficiency exceeds 19.6%. Compared with the PERC component, it can generate more than 7% of electricity and can generate more than 17% of electricity in 25 years, saving about 10% of system cost. Reliability has been greatly improved and the first 25-year warranty has been introduced. It has been more than 15 years compared to traditional crystalline silicon components that only offer a 10-year warranty on the market. The amount of electricity in the actual environment has increased by about 17%: the design of JDSOLAR overlapping solar cells does not have main grid units and parallel circuits. When the component is partially blocked, the power attenuation is small, so more power can be generated in the actual environment.

Comprehensive analysis of conversion efficiency and the advantages of power generation in the actual environment, it is estimated that about 17% of electricity will increase in 25 years. Warranty for 25 years: Breaking through the traditional wire connection method, changing the surface connection of the front and rear laminates, greatly improving the reliability of the connection, eliminating the hidden danger of the metal grid lines, reducing the corrosion line of the metal mesh and the breakage of the battery sheet. risk. It is the first company in the industry to introduce a 25-year warranty, which is 15 years longer than the regular 10-year warranty for regular parts, thereby better protecting the user's investment. Overlapping solar cell technology also ensures minimal power loss during component packaging, reducing the impact of reverse current on the hot spot of the component.

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Packaging details

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