CN103456833A - Color separation and classification method for crystalline silicon solar cell - Google Patents
Color separation and classification method for crystalline silicon solar cell Download PDFInfo
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- CN103456833A CN103456833A CN2012101881394A CN201210188139A CN103456833A CN 103456833 A CN103456833 A CN 103456833A CN 2012101881394 A CN2012101881394 A CN 2012101881394A CN 201210188139 A CN201210188139 A CN 201210188139A CN 103456833 A CN103456833 A CN 103456833A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
A color separation and classification method for a crystalline silicon solar cell comprises the steps of first conducting color separation on the sintered crystalline silicon solar cell according to colors and then conducting gradation on the crystalline silicon solar cell according to electrical property parameters. According to the color separation and classification method for the crystalline silicon solar cell, colors of the cell are first separated, and then classification detection is then conducted, a classification tester (a solar cell sorting machine) can accurately count, manual counting is not necessary any more, thus much labor can be saved, and the possibility of artificially increased fracture and crack of the solar cell in the process of repeated operation process is reduced.
Description
Technical field
The present invention relates to a kind of method of crystalline silicon solar cell piece color separation and classification, belong to the crystal-silicon solar cell preparing technical field.
Background technology
Along with going from bad to worse and growing to the electrical energy demands amount of people of day by day deficient, the environment of the growth of world today's demographic and economic, energy resources, the development and utilization of solar energy has started upsurge in the world.This is very beneficial for the sustainable development of biological environment, the offspring that benefits future generations, so countries in the world investment research exploitation solar cell competitively.Solar cell is that a kind of photovoltaic effect that utilizes is converted into solar energy the device of electric energy.Solar cell is of a great variety, and wherein an important class is crystal silicon solar energy battery.
In conventional crystalline silicon solar cell piece preparation process, need to make one deck silicon nitride (Si3N4) film by the method for chemical vapour deposition (CVD) at silicon chip surface, reduce the reflection of incident light on the crystalline silicon solar cell piece surface as the crystalline silicon solar cell piece antireflection layer, to increase the conversion efficiency (Conversion Efficiency) of crystal-silicon solar cell.The silicon nitride film of different-thickness makes the color of silicon chip surface that very large difference be arranged, and ready-made crystalline silicon solar cell piece generally can, according to color, adopt artificial mode color separation to be packed respectively again.When photovoltaic module is made, the cell piece of same color is placed in same assembly, so that photovoltaic module has unified outward appearance and reaches effect attractive in appearance.
After last procedure-sintering of crystalline silicon battery plate, according to electric properties such as different parameters such as open circuit voltage Voc, short circuit current Isc, fill factor, curve factor F.F. and photoelectric conversion efficiency η, solar cell piece is classified.The solar module that the solar cell piece that performance parameter is identical or close is put together and made, can not mate and cause damage because of power.
Summary of the invention
The object of the invention is to provide a kind of method of crystalline silicon solar cell piece color separation and classification.
For achieving the above object, the technical solution used in the present invention is: a kind of method of crystalline silicon solar cell piece color separation and classification, comprise at first the crystalline silicon solar cell piece after sintering is carried out to color separation according to color, and then crystalline silicon solar cell piece is carried out to classification according to electric parameters.
In a preferred embodiment, described color separation is according to red, blue and light blue the operation according to the color of that side surface that deposits antireflective film on crystalline silicon solar cell piece.
In a preferred embodiment, described classification is carried out on the solar battery sheet separator.
Related content in technique scheme is explained as follows:
1,, in such scheme, described color separation refers to that by crystalline silicon solar cell piece, according to three kinds of color separated, then the cell piece of same color puts together.
2, in such scheme, described classification refers to crystalline silicon solar cell piece separated according to electric property, and then the cell piece of identical electric parameters puts together.
Because technique scheme is used, the present invention compared with prior art has following advantages and effect:
The present invention's classification and Detection again after color separation, class test machine (solar cell piece separator) can accurate counting, needn't again manually count, so not only can save a lot of artificial, and reduced in the repeatable operation process artificial broken and hidden split possible of solar cell that increase, what is more important has prevented from when sticking patch, the solar cell of different parameters being sneaked into effectively, be conducive to when solar module is manufactured, the assembling loss that minimizing causes because battery electrical property is inconsistent, and can prevent the hot spot effect that solar module therefore and likely produces, thereby extend the useful life of solar module.
The accompanying drawing explanation
Accompanying drawing 1 is schematic flow sheet of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment: a kind of method of crystalline silicon solar cell piece color separation and classification
Shown in accompanying drawing 1, the invention provides a kind of method of crystalline silicon solar cell piece color separation and classification.After last the procedure-sintering that completes the cell piece manufacture, at first carry out the artificial colour separation in sintering furnace conveyer belt exit, only need battery according to redness, blue and light bluely be divided into the color that 3 classes are different and get final product, after placing the regular hour, homochromy battery being put into to battery parameter classification and Detection machine (solar battery sheet separator) is tested the electric property of battery again, and set and test the quantity that rear each holding box is answered placing battery, when cell piece is separated the class of different parameters, after the cell piece of identical parameters is put into each holding box and is reached the quantity of regulation, take out directly packing.
Characteristics of the present invention are that the color separation of crystalline silicon solar cell piece and class test are arranged orderly.
At first, artificial colour separation's employee only needs that cell piece is divided into to three kinds of colors and gets final product, and without counting, effectively alleviated employee's working strength, especially alleviated the stress of worrying to misplace box, prevented because misplacing the inconsistent assembling loss that brings the manufacturing assembly to produce of battery parameter in the same packing of box, and can prevent the hot spot effect that solar module therefore and likely produces, thereby extended the useful life of solar module.
Secondly, class test after color separation, placed a period of time after the battery sintering, class test again after the inside battery lattice is tended towards stability, the result of class test is relatively stable like this, the actual conditions that can reflect comparatively exactly the every unit for electrical property parameters of battery, do not have larger error, same class battery electrical property difference after sorting is less, be conducive to when solar module is manufactured, the assembling loss that minimizing causes because battery electrical property is inconsistent, and can prevent the hot spot effect that solar module therefore and likely produces, thereby extend the useful life of solar module.
Also have, class test after color separation, the class test machine can accurate counting, needn't again manually count, so not only can save a lot of artificial, and reduced in the repeatable operation process artificial broken and hidden split possible of solar cell that increase, what is more important has prevented from when sticking patch, the solar cell of different parameters being sneaked into effectively, be conducive to when solar module is manufactured, the assembling loss that minimizing causes because battery electrical property is inconsistent, and can prevent the hot spot effect that solar module therefore and likely produces, thereby extend the useful life of solar module.
Above-described embodiment is only explanation technical conceive of the present invention and characteristics, and its purpose is to allow the person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (3)
1. the method for a crystalline silicon solar cell piece color separation and classification, comprise at first the crystalline silicon solar cell piece after sintering carried out to color separation according to color, and then described crystalline silicon solar cell piece is carried out to classification according to electric parameters.
2. the method for crystalline silicon solar cell piece color separation according to claim 1 and classification is characterized in that: described color separation is that color according to that side surface that deposits antireflective film on crystalline silicon solar cell piece is according to red, blue and light blue the operation.
3. the method for crystalline silicon solar cell piece color separation according to claim 1 and classification, it is characterized in that: described classification is carried out on the solar battery sheet separator.
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| CN2012101881394A CN103456833A (en) | 2012-06-05 | 2012-06-05 | Color separation and classification method for crystalline silicon solar cell |
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| CN2012101881394A CN103456833A (en) | 2012-06-05 | 2012-06-05 | Color separation and classification method for crystalline silicon solar cell |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106327463A (en) * | 2015-06-17 | 2017-01-11 | 上海太阳能工程技术研究中心有限公司 | Color identification method for solar cell |
| CN107768282A (en) * | 2017-09-19 | 2018-03-06 | 合肥流明新能源科技有限公司 | A kind of cell piece method for separating for Crystalline Silicon PV Module |
| CN115172488A (en) * | 2022-05-31 | 2022-10-11 | 晶科能源(上饶)有限公司 | Solar cell and manufacturing method thereof |
Citations (2)
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| CN101676040A (en) * | 2008-09-16 | 2010-03-24 | 中茂电子(深圳)有限公司 | Optical detecting system and method for classifying solar cells |
| US20110014742A1 (en) * | 2009-05-22 | 2011-01-20 | Solexel, Inc. | Method of creating reusable template for detachable thin film substrate |
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2012
- 2012-06-05 CN CN2012101881394A patent/CN103456833A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101676040A (en) * | 2008-09-16 | 2010-03-24 | 中茂电子(深圳)有限公司 | Optical detecting system and method for classifying solar cells |
| US20110014742A1 (en) * | 2009-05-22 | 2011-01-20 | Solexel, Inc. | Method of creating reusable template for detachable thin film substrate |
Non-Patent Citations (1)
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| 李钟实: "《太阳能光伏组件生产制造工程技术》", 31 January 2012, 人民邮电出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106327463A (en) * | 2015-06-17 | 2017-01-11 | 上海太阳能工程技术研究中心有限公司 | Color identification method for solar cell |
| CN107768282A (en) * | 2017-09-19 | 2018-03-06 | 合肥流明新能源科技有限公司 | A kind of cell piece method for separating for Crystalline Silicon PV Module |
| CN115172488A (en) * | 2022-05-31 | 2022-10-11 | 晶科能源(上饶)有限公司 | Solar cell and manufacturing method thereof |
| CN115172488B (en) * | 2022-05-31 | 2023-10-20 | 晶科能源(上饶)有限公司 | Solar cell manufacturing method and solar cell |
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Application publication date: 20131218 |