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Construction and detection method of solar cell

A technology of solar cells and detection methods, applied in the fields of photovoltaic power generation, electrical components, photovoltaic system monitoring, etc., can solve problems affecting the performance and stability of solar cells, etc.

Active Publication Date: 2017-09-08
广东省计量科学研究院(华南国家计量测试中心)
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Problems solved by technology

[0003] At present, the mainstream technology is still traceable to the standard test conditions (ie STC) by means of standard solar cells or standard solar cell components. During the test, the existing measurement methods only test the input characteristics, ou

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  • Construction and detection method of solar cell
  • Construction and detection method of solar cell
  • Construction and detection method of solar cell

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[0029] In the following, the present invention will be further described in conjunction with the embodiments, but it does not constitute any limitation to the present invention. Any limited modification made within the scope of the claims of the present invention is still within the scope of the claims of the present invention.

[0030] Such as figure 1 As shown, the present invention provides a solar cell assembly and detection method, involving a solar simulator, temperature measurement equipment, voltage measurement equipment, and current measurement equipment. The method includes the following processing steps:

[0031] Step 1: Build solar cells through material selection, structural treatment and battery packaging;

[0032] Step 2: When the irradiation intensity is between 600w / m 2 -1000w / m 2 In the case of aging, the solar cell is tested for aging;

[0033] Step 3: Perform a finalization test on the solar cell and obtain the open-circuit voltage temperature correction coefficie...

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Abstract

The invention discloses a construction and detection method of a solar cell. The method comprises the following processing steps of 1, constructing the solar cell by material selection, structural processing and battery package; 2, performing aging test on the solar cell on the condition that irradiation strength is between 600w/m<2> and 1,000w/m<2>; 3, performing shaping test on the solar cell, and acquiring an open-circuit voltage temperature correction factor, a short-circuit current temperature correction coefficient, a nominal working temperature and performance under low irradiance of the solar cell; 4, performing metrological performance test on the solar cell, wherein the metrological performance test comprises spectral response test, quantum efficiency test and I-V characteristic measurement, and the spectral response test comprises repeatability test and stability test; and 5, calibrating and assigning the solar cell according to each test result, and performing uncertainty analysis. By testing the constructed solar cell and calibrating and assigning the solar cell, the performance detection can be effectively performed on the solar cell.

Description

technical field [0001] The invention relates to the field of new energy, in particular to a solar cell assembly and detection method. Background technique [0002] Solar cell testing plays an important role in the research and development, production and sales of solar cells, and the measurement results of electrical properties are the standard for evaluating the advanced production process of solar cells, and also the basis for pricing solar cells into the sales field. [0003] At present, the mainstream technology is still traceable to the standard test conditions (ie STC) by means of standard solar cells or standard solar cell components. During the test, the existing measurement methods only test the input characteristics, output characteristics and conversion efficiency of solar cells. However, , There are many factors affecting the performance and stability of solar cells in solar cells, such as light aging performance, various coefficients of shaping, repeatability an...

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Application Information

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IPC IPC(8): H02S50/10
CPCH02S50/10Y02E10/50
Inventor 周军红李倩吴江宏梅书刚吴忠杰易国贤吴健鸥罗旭东
Owner 广东省计量科学研究院(华南国家计量测试中心)
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