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Photovoltaic module

A photovoltaic module and backplane technology, applied in the field of solar photovoltaic, can solve problems such as deterioration of electrical performance of photovoltaic modules, and achieve the effect of high bond energy and high stability

Pending Publication Date: 2020-08-14
晶澳(扬州)新能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the potential induced degradation (PID) effect of photovoltaic modules can deteriorate the electrical performance of photovoltaic modules

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0121] Use the spray pyrolysis method to generate a thin film (alumina thin film) for ultra-clear glass. The steps are as follows:

[0122] A1: Prepare the surface to be deposited. Select ultra-clear glass for photovoltaic modules that have been cut, and clean the surface to be deposited.

[0123] A2: Spray solution preparation. Aluminum acetylacetonate is selected as the thermal decomposition substance, methanol and water are selected as solvents, and the concentration of the prepared aluminum acetylacetonate solution is 0.08mol / L.

[0124] A3: Deposit aluminum oxide film. Place the surface to be deposited of ultra-clear glass (coated surface of ultra-clear glass) in the carrier plate of the machine, control the reaction temperature to 400 degrees, turn on the ultrasonic wave with a frequency of 20MHz to generate spray, and introduce the spray into the deposition chamber to contain the reaction precursor The droplets of the body evenly cover the surface of the glass to be ...

Embodiment 2

[0129] Use the spray pyrolysis method to generate a thin film (titanium oxide thin film) for ultra-white glass. The steps are as follows:

[0130] B1. Prepare the surface to be deposited. Select ultra-clear glass for the photovoltaic field that has been cut, and clean the surface to be deposited.

[0131] B2, spray solution preparation. Titanium acetate is selected as the thermal decomposition substance, and ethanol or water is selected as the solvent. The concentration of the prepared titanium acetate solution is 0.06mol / L.

[0132] B3. Depositing a titanium oxide film. Place the glass coating surface on the carrier plate of the machine, the reaction temperature is 400 degrees, turn on the ultrasonic to generate spray and introduce the spray into the deposition chamber, so that the spray droplets containing the reaction precursor evenly cover the surface of the glass to be deposited. Under the condition of heating, the solvent gradually volatilizes, and after the titanium...

Embodiment 3

[0134] Use the spray pyrolysis method to generate a thin film (zirconia thin film) on the anti-reflection layer of the battery sheet, the steps are as follows:

[0135] C1: Prepared as a solution for spraying. Zirconium acetate is selected as the thermally decomposed substance, a mixture of methanol and water is selected as the solvent, and the concentration of the prepared zirconium acetate solution is 0.5 mol / L.

[0136] C2: deposition of zirconia thin film. Place the battery on the carrier plate of the machine (the anti-reflection layer of the battery is used as the surface to be treated to receive the atomized droplets), control the reaction temperature to 400 degrees, turn on the ultrasonic frequency of 800MHz to generate spray, and introduce the spray into the deposition chamber The chamber makes the mist containing the reaction precursor evenly cover the surface of the glass to be deposited; the mist gradually volatilizes under the action of heat, and at the same time,...

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Abstract

The invention discloses a photovoltaic module. The photovoltaic module comprises a glass plate, a back plate, a battery string which is packaged between the glass plate and the back plate and comprises a plurality of battery pieces, and a thin film which is arranged between the glass plate and the battery string and is provided with metal oxide and / or silicon oxide. The photovoltaic module can block migration of alkali metal ions, and the potential induced degradation (PID) resistance effect of the photovoltaic module is achieved.

Description

technical field [0001] The invention relates to the field of solar photovoltaic technology, in particular to a photovoltaic module. Background technique [0002] A photovoltaic module is a device that can generate and output electricity after being exposed to light outdoors. At present, the potential induced degradation (PID) effect of photovoltaic modules can deteriorate the electrical performance of photovoltaic modules. Therefore, it is very important to obtain photovoltaic modules with resistance to potential-induced degradation (PID). Contents of the invention [0003] In view of this, an embodiment of the present invention provides a photovoltaic module, which can block the migration of alkali metal ions and realize the resistance to potential-induced degradation (PID) of the photovoltaic module. [0004] In order to achieve the above purpose, according to an aspect of the embodiments of the present invention, a photovoltaic module is provided, including: [0005]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/048H01L31/0216
CPCH01L31/0481H01L31/0488H01L31/02168H01L31/02167H01L31/186H01L31/1868Y02E10/50H01L31/048H02S30/10H01L31/054
Inventor 陈孝业蒋秀林
Owner 晶澳(扬州)新能源有限公司
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