Do I need to replace the backplane when replacing the 410smart with the 410-5h?

Introduction Do I need to replace the backplate when replacing the 410smart with the 410-5h? Do I need to replace the backplate when replacing the 410smart with the 410-5h? According to the request for relevant public information,

Do I need to replace the backplane when replacing the 410smart with the 410-5h?

There is no need to replace the backplane when replacing the 410smart with the 410-5h. According to relevant public information, the specifications of 410smart and 410-5h are the same. Their size and installation method are the same. They are both standard 410mm x 410mm square solar panels and both use ordinary bolt fixing methods. The 410-5h solar panel can be directly installed on the original 410smart bracket.

What are the differences between TPT, EVA, PVB, PET and DNP photovoltaic materials?

Flexible thin film solar cells have advantages over to conventional solar cells:

1. Structural advantages:

Conventional solar cells generally have a structure made of EVA material and the cells between two layers of glass are heavier and require supports during installation.tion. . , not easy to move. Flexible thin-film solar cells do not require glass backsheets or covers and are 80% lighter than double-glass solar cell modules. Flexible cells using PVC backsheets and ETFE film covers can even be folded at will, making them easy to transport.

2. Advantages:

Can be used in solar backpacks, solar convertibles, solar flashlights, solar cars, solar sailboats and even solar airplanes. The scope of use is relatively wide. The disadvantage is that the photoelectric conversion efficiency is lower than that of conventional crystalline silicon components. There is also a semi-flexible solar panel with a high conversion rate that can only be bent about 30 degrees. Guangrui Industrial Co., Ltd. is relatively mature in panel productionx solar panels for this type of product.

3. Advantages of assembly:

Dye-sensitized solar cells and organic perovskite solar cells combined with nanotechnology have obvious advantages in the assembly of materials and devices and are currently more common in the world. flexible solar cells.

To obtain high-performance dye-sensitized flexible solar cells and promote their industrialization, advancements should be sought in the following aspects. On the one hand, there is a need to further improve the photoelectric conversion efficiency and stability of dye-sensitized flexible solar cells. Another aspect is to further reduce the cost of batteries and enable the preparation of large-scale roll-to-roll printing.

What materials are photovoltaic panels made of?

1. PVB and EVA

EVA requires two layers; It is pressurized at high temperature by a laminator and becomes one after cooling, which plays a role in fixing and bonding.

PVB is a building material with much better weather resistance, but is more than three times more expensive than EVA. EVA is the mainstream of monocrystalline silicon packaging. For amorphous silicon, we choose PVB for packaging.

2. The difference between TPT, PET and DNP.

In order to maintain the best operating conditions of solar cells and maintain a lifespan of 25 years, the backsheet material used must have properties such as UV resistance, barrier water vapor and weather resistance. TPT, PET and DNP are only part of the back film of solar cells. It is just a synonym and plays a very good protective role ins solar cells.

Solar cell back films are mainly divided into two categories: fluorine-containing back films and non-fluorine back films. Among them, the fluorine-containing back film is divided into two types: double-sided fluorine-containing (such as TPT) and single-sided fluorine-containing (such as TPE), while the non-fluorine back film is mainly made of many elements ; layers of PET glued together with glue.

TPT refers to using DuPont's TEDLAR (trade name) PVF film on both sides of the back solar film, and adding a layer of transparent PET in the middle for lamination , i.e. TEDLAR+PET+TEDLAR, hence the name TPT.

The fluorine-free back film made of several layers of PET bonded together with adhesive cannot meet the environmental tests of 25 years of damp heat, dry heat, ultraviolet and other tests approximatelydevelopments of commercial crystalline silicon solar cell modules. due to the characteristics of the material itself. Considering the usage requirements, it is difficult to be suitable for crystalline silicon solar cell module packaging.

The outermost layer of the DNP backsheet is made of PET with excellent water resistance, followed by DNP's unique highly durable adhesive layer, which ultimately achieves the excellent product durability.

Generally, companies use EVA+PET.

Mainly glass, EVA, battery, backplane, aluminum alloy, junction box and silicone.

Tempered glass, its function is to protect the main body from electricity generation;

EVA, used for bonding and fixing tempered glass and the main body of power generation <; /p>

The main function of the drum sheetis power generation, crystalline silicon solar cells and thin film solar cells are the main ones in the power generation market;

Bottom sheet, which serves as sealing, insulation. , and waterproofing;

Aluminum alloy, protective layer The pressure part plays a certain sealing and supporting role;

The junction box protects the whole system of electricity generation and functions as a power transfer station;

Silicone plays a sealing role and is used for sealed components and aluminum alloy frames;

Photovoltaic power generation panels are also called photovoltaic panels, also called solar panels. of several solar cell components assembled on a board in some way, usually like a photovoltaic generator unit. Simple solar cells cannot be usedused directly as energy sources. To realize a power supply, several individual cells must be connected in series, in parallel and tightly sealed within the components.

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