Device for evaluating influence of high irradiation on performance of solar cell

A technology of solar cells and evaluation devices, which is applied in photovoltaic power generation, electrical components, photovoltaic system monitoring, etc., and can solve problems such as lack of clear methods and requirements for performance evaluation, reliability verification of battery production links not keeping up with the pace in time, etc.

Inactive Publication Date: 2020-07-31
SPIC XIAN SOLAR POWER CO LTD +3
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  • Abstract
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Problems solved by technology

[0005] There are clear test methods for high-efficiency batteries in terms of LID, PID, light decay, water boiling, and tensile force, but there are no clear methods and requirements for performance evaluati

Method used

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  • Device for evaluating influence of high irradiation on performance of solar cell

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specific example

[0025] Specific example: Randomly select 2pcs of solar cells with 21.5% of the mainstream gear of the production line N-PERT, select the inclination angle of the mirror 20 to be 60°, the distance between the solar cells and the mirror 20 is 450mm, and set the light intensity of the solar steady-state simulator 10 1000W / m 2 , the irradiation time is 30h, test and record the battery performance parameters before and after irradiation by the solar steady-state simulator 10, and compare the difference in efficiency change.

[0026] The device for evaluating the influence of high radiation on the performance of solar cells provided by the present invention is easy to implement the test, and the test cost is relatively low, but it can effectively evaluate the high radiation resistance performance of the finished battery.

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Abstract

The invention aims at disclosing a device for evaluating the influence of high irradiation on the performance of a solar cell. The device comprises a solar steady-state simulator, wherein an objectivetable is arranged at the top end of the solar steady-state simulator, a non-reflection area and a reflection area are arranged on the objective table in parallel, a reflector placed at a certain angle is arranged in the reflection area, and solar cell sheets are arranged in the non-reflection area and the reflection area respectively. Compared with the prior art, the device of the invention has the following characteristics that high-irradiation test of the solar cell is realized, the evaluation method of the cell aging test is added, the performance change evaluation of the solar cell afterhigh irradiation is realized, the comprehensive evaluation capability of the product is improved, the risk is reduced, component risk pre-judgment is realized, the equipment is simple and easy to realize, the test cost is relatively low, the reliability and stability of product performance are effectively supervised, and the purpose of the invention is realized.

Description

technical field [0001] The invention relates to a device for evaluating the performance of a solar cell, in particular to a device for evaluating the effect of high irradiation on the performance of a solar cell. Background technique [0002] With the rapid development of high-efficiency cells in the photovoltaic industry, the mass production of P-PERC and N-PERT cells is accelerating. The superposition of various high-efficiency technologies has greatly improved the efficiency of solar cells, but the reliability behind high efficiency is worth exploring and verifying topic. [0003] At present, there are power station designs that add reflectors to increase power generation in the industry. In order to fully consider the performance of high-efficiency batteries and components in different environments, ensure the stable performance of finished batteries and the reliability of components, it is necessary to evaluate the performance of batteries in high-irradiation environmen...

Claims

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Application Information

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IPC IPC(8): H02S50/15
CPCH02S50/15Y02E10/50
Inventor 姜倩苗林唐兰兰李媛媛雷柳张银环
Owner SPIC XIAN SOLAR POWER CO LTD
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