Pervious to light solar energy components

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Transparent battery components.

1, aluminum alloy layer pressure, seal, support role.

2, junction box to protect the whole power generation system, have the effect of current transit, if the component junction box automatically disconnect short circuit battery series, to prevent burning junction box of the most key of the whole system is the selection of diodes, depending on the type of component inside the cell is different, the corresponding diode is not the same.

3, silicone sealing function, which is used to seal components and aluminum alloy frame, the component and junction box at the junction of some companies use double-sided tape, foam instead of silicone, now domestic commonly used silica gel, the craft is simple, convenient, easy to operate, and low cost. 4 laminated parts power structure (see below) the theme of the laminated structure (according to the process order) :

1, toughened glass Its role to protect the power subject (e.g., battery), selects the pervious to light is required: high light transmittance must (generally more than 91%).

2, super white steel processing: EVA fixed toughened glass used for bonding and power main body (e.g., battery), the merits of the transparent EVA material directly affect the life of the components, exposed to the air in the EVA aging yellow, thus affect the light transmittance of the component, thus affect the quality of the component's power in addition to the quality of EVA itself, component manufacturer of laminating process influence is very big, such as below-standard EVA glue viscosity, EVA and toughened glass, the back adhesive strength is not enough, will cause EVA early ageing, affecting the service life of components.

3, generating body: the main role is power generation, power generation main market is the mainstream in the crystalline silicon solar cells, thin film solar cells, both have their own advantages and disadvantages of crystalline silicon solar cells, equipment cost is relatively low, but consumption and cell costs are high, but the photoelectric conversion efficiency is high, in the outdoor sun power is more suitable for thin film solar cells, relatively high equipment cost, but low consumption and cost of batteries, but the photoelectric conversion efficiency relative to crystalline silicon cells in half, but weak light efficiency should be very good, in the ordinary light can also generate electricity.

4, EVA: role as above, the main bonding encapsulation power main body and the back.

5, backplane, sealing, insulation, waterproof.

(generally use TPT, TPE, etc.) materials must be resistant to ageing, component manufacturers warranty for 25 years now, toughened glass, aluminum alloy is generally no problem, the key is in the back and the silicone can meet the requirements.

Component ability - solar basic requirements

1, able to provide enough mechanical strength, make the solar battery components can stand in the process of transportation, installation and use of shock, vibration, stress, able to withstand hail click force;

2, good sealing, windproof, waterproof, isolated from corrosion of atmospheric conditions for solar cell;

3, has a good electrical insulating performance;

4, anti-ultraviolet radiation ability;

5, according to the request of different working voltage and the output power design, can provide many kinds of connection mode, can satisfy the demands of different voltage, current and power output;

6, caused by solar cells in series and parallel combination efficiency loss of small;

7, solar cells, reliable connection;

8, long working life for the solar cell components under natural conditions to be able to use more than 20 years;

9, to meet the conditions, packaging cost as low as possible.

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