CN105609442A - Novel test and grading method for crystal silicon solar cell - Google Patents

Novel test and grading method for crystal silicon solar cell Download PDF

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Publication number
CN105609442A
CN105609442A CN201510997544.4A CN201510997544A CN105609442A CN 105609442 A CN105609442 A CN 105609442A CN 201510997544 A CN201510997544 A CN 201510997544A CN 105609442 A CN105609442 A CN 105609442A
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interval
stepping
battery efficiency
cell piece
value
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CN105609442B (en
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方再华
杨艳景
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Baoding Guangwei Green Energy Technology Co., Ltd.
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LIGHTWAY GREEN NEW ENEGY CO Ltd
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L22/00Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
    • H01L22/10Measuring as part of the manufacturing process
    • H01L22/14Measuring as part of the manufacturing process for electrical parameters, e.g. resistance, deep-levels, CV, diffusions by electrical means

Abstract

The invention relates to a novel test and grading method for a crystal silicon solar cell, which is a method for optimally using grades at a working current and grading battery pieces of the same working current grade again through battery efficiency. Flexible grading intervals are set with regard to different situations during grading the battery pieces, different grading intervals are used according to different parameter states of different batches of battery pieces, the difference between the maximum working current and the minimum working current is greatly reduced, the discrete degree is integrated, the matching of the working currents of battery pieces of the whole module unit is achieved, the package loss of the whole module is reduced, meanwhile, the light and shade phenomenon of module E1 test can be also corresponding improved, the yield from batteries to modules is improved, and the primary finished rate of assembly fabrication is improved.

Description

A kind of method of Novel crystal silicon solar cell test stepping
Technical field
The invention belongs to crystal silicon solar batteries and make field, particularly a kind of method of Novel crystal silicon solar cell test stepping.
Background technology
In the manufacturing process of solar battery sheet, first to carry out testing, sorting at present, the object of testing, sorting is that the operating current in order to reduce element cell sheet is poor, and the test stepping method generally adopting is at present: preferentially use battery efficiency to carry out rough segmentation shelves, and then the cell piece of same battery efficiency shelves is segmented to shelves by operating current, when component package, use the cell piece (60-72 sheet) of same efficiency shelves to carry out Series Package, this stepping method, can cause the dispersion of difference between current of the element cell sheet work of same battery efficiency shelves larger, even there will be maximum functional stream and the poor 0.1A of being greater than of minimum working current, make electric current difference and have the situation that is greater than 0.2A, the outer cell piece that goes beyond the scope can not be utilized, reduce the utilization rate of cell piece, even if the cell piece that meets the operating current difference of 0.1A still can not ensure the problem of the each parameter matching of cell piece, the assembly envelope of single efficiency shelves is damaged and is differed greatly, while making component package, between element cell sheet, there will be operating current not mate, affect battery efficiency, the higher problem of whole component power loss.
Summary of the invention
Can cause the lower problem of matching degree after the poor excessive cell package of battery current for solving above-mentioned mentioned testing and sorting method of the prior art, and propose the method for a kind of Novel crystal silicon solar cell test stepping after a kind of optimization
The technical scheme providing is:
1, a method for Novel crystal silicon solar cell test stepping, comprises operating current stepping and battery efficiency stepping, it is characterized in that comprising the following steps:
S: preferentially carry out just stepping of operating current:
The detailed process of above-mentioned steps S is,
S1: each cell piece in cell piece group to be measured is carried out to operating current test, obtain the working current value of each cell piece;
S2: set the required current value interval of mesuring battary sheet group;
S3: according to setting gradient, by interval current value segmentation, obtain the interval N of multiple electron current values;
S4: the working current value of the each cell piece obtaining according to step S1 also carries out stepping according to each electron current value interval to cell piece, all working current values are included in same gear with the cell piece that belongs to same electron current value interval, obtain multiple one-level gears;
D: after working current value stepping, then carry out battery efficiency value stepping:
The detailed process of above-mentioned steps D is,
D1: the battery efficiency value to the cell piece in each one-level gear is measured, obtains the battery efficiency value of the cell piece in each one-level gear;
D2: the battery efficiency value of the each cell piece in the same one-level gear obtaining according to step D1, for each one-level gear is set the required battery efficiency value interval of this one-level gear;
D3: according to setting gradient by interval the battery efficiency value of each one-level gear segmentation, obtain the interval M of multiple sub-battery efficiency value of this one-level gear;
D4: the interval M of the multiple sub-battery efficiency value corresponding with this one-level gear obtaining according to step D3 carries out stepping to the each cell piece in this one-level gear, obtains the multiple secondary gears in this one-level gear;
Complete the stepping to crystal silicon solar batteries test.
Further, in described step S3, get one and/or multiple natural number as interval extreme difference, according to segmentation between the large young pathbreaker of extreme difference Current Zone, obtain the interval N of electron current. .
Further, get one and/or multiple natural number as interval extreme difference in described step D3, according to the interval segmentation of the each battery efficiency of the large young pathbreaker of extreme difference, after segmentation, each battery efficiency interval is split into the interval M of multiple sub-battery efficiencies.
Further, between described step S3 neutron Current Zone, the span of the extreme difference of N is [0,1].
Further, between described step D3 neutron efficiency area, the extreme difference scope of M is [0,0.45%]. The present invention compared with prior art has following beneficial effect:
The present invention is by the preferential just stepping of operating current that uses, and then the cell piece of same operating current shelves is carried out to stepping method again by battery efficiency, reduce maximum operating currenbt and minimum working current poor, concentrate dispersion, realize the coupling of whole assembly unit cell piece operating current.
Change interval sorting technique, change activity interval segmentation method into by original fixed interval segmentation method, very different situations are set to the different interval of extreme difference value, to realize the matched of the crucial unit for electrical property parameters of cell piece, reduce the encapsulation loss of whole assembly.
In the matched that realizes the crucial unit for electrical property parameters of assembly pond sheet, the light and shade sheet phenomenon of El test has also obtained corresponding improvement, and then has improved the one-pass finished rate that battery is manufactured to output and the assembly of assembly.
The present invention is by some operating current shelves that are divided into clear and definite cell piece operating current, and the assembly that makes photovoltaic plant that same operating current shelves are installed becomes possibility, power station is promoted to power output and also made outstanding contributions.
Brief description of the drawings
Fig. 1 is control group distributed model process of establishing of the present invention and electric current, battery efficiency screening process figure;
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further details:
Embodiment 1, provides a kind of crystal silicon solar batteries to test the method for stepping, and concrete steps are as follows:
A: the grade mode of establishing first electric current stepping, behind efficiency stepping, and use computer mould to draw up the idealized model in cell piece stepping interval, a large amount of cell pieces is tested and image data, the good and bad situation of the each function of cell piece between corresponding each efficiency area of institute of analyzing successively between each Current Zone is screened, when each section of minimum working current value is consistent with idealized model with each gear minimum efficiency rate or approach when consistent, complete control group distributed model and set up.
B: each cell piece is inserted in Halm test machine equipment and carried out testing, sorting;
S: preferentially carry out just stepping of operating current in testing, sorting step:
S1: first each cell piece is carried out to operating current test in step S, obtain the working current value of each cell piece;
S2: the working current value of each cell piece that this batch collected and control group cell piece distributed model are compared, according to the rate that the files difference of the two, operating current minimum of a value in suitable adjustment control group cell piece distributed model, determine thus this batch the required optimal current interval of cell piece, all current values do not belong to the useless sheet of conduct in optimal current interval and reject.
S3: according to, concentrated operating current region, little and the Grad of gradient is not higher than the principle of 0.1A, choose one or more natural numbers as Grad, Grad is interval extreme difference, will between Current Zone, be divided into some sections according to extreme difference, obtain the interval N of multiple electron currents, the extreme difference span of the interval N of electron current is, [0,1].
S4: according to each electron current interval, cell piece is carried out to stepping, all working current values are included in same gear with the cell piece that belongs to same electron current interval, completes one-level screening after stepping, obtain accordingly multiple one-level gears;
D: after operating current stepping, then carry out battery efficiency value stepping:
D1: the cell piece in each one-level gear is carried out to parametric measurement, obtain cell piece in the each one-level gear parameters including battery efficiency value;
D2: concrete battery efficiency distribution situation and the control group cell piece distributed model of cell piece in this each one-level gear are compared, according to the rate that the files difference of the two, efficiency minimum of a value in suitable adjustment control group cell piece distribution distributed model, obtain thus the required optimum battery efficiency interval of this one-level gear, and be followed successively by each one-level gear and set the required optimum battery efficiency interval of this one-level gear, all battery efficiency values do not belong to the useless sheet of conduct in optimum battery efficiency interval and reject;
D3: according to more concentrated battery efficiency region, less and the Grad of gradient value is not higher than 0.45% principle, get one or more natural numbers as Grad, Grad is interval extreme difference, according to interval extreme difference by interval the battery efficiency of each one-level gear segmentation, after segmentation, the battery efficiency interval of each one-level gear is split into some the interval M of sub-battery efficiency, and between described sub-efficiency area, the extreme difference scope of M is, 0≤M≤0.45%;
D4: carry out shelves again by an optional one-level gear in multiple one-level gears, for this one-level gear being carried out to stepping according to the interval M of the sub-battery efficiency of this one-level gear, every this one-level gear that belongs to belongs to again cell piece in same sub-battery efficiency interval and is included into same shelves, and successively remaining one-level gear is carried out to stepping again, after all one-level gear steppings, complete secondary screening, complete the stepping to crystal silicon solar batteries test, obtain several secondary battery gears.
E: by each cell piece Series Package.
Embodiment 2, in specific works, sorting testing procedure is as follows:
A collection of fillet 156 polycrystalline cell pieces are carried out to operating current test, after contrast, set the optimal current interval of working current value for [8.225A, 8.345A].
Need choose two natural numbers as interval extreme difference through this optimal current interval of contrast discovery, set two interval extreme differences and be respectively a1=0.05A and a2=0.07A, by two sections of interval this optimal current point positions, be respectively the first electron current interval [8.225A, 8.295A) He the second electron current interval [8.295A, 8.345A];
Working current value is belonged to [8.225A, cell piece 8.295A) is included in the first electron current interval, the first electron current section definition is the first gear, working current value is belonged to [8.295A, 8.345A] cell piece be included in the second electron current interval, the second electron current section definition is the second gear, completes electric current stepping after stepping;
The cell piece of the first gear is carried out to battery efficiency test, the optimum battery efficiency value of setting this first gear after contrast is interval for [17.35%, 18.5%], after contrast, finding needs to set four each and every one natural numbers as interval extreme difference, set four interval extreme difference values and be respectively Eta1=0.25%, Eta2=0.415%, Eta3=0.23%, Eta4=0.255%, according to Eta1=0.25%, the battery efficiency interval of the first gear is cut apart and obtained between the first sub-efficiency area [17.35%, 17.6%]; According to Eta2=0.415%, the battery efficiency interval of the first gear is cut apart and obtained between two sub-efficiency area [17.6%, 18.015%); According to Eta3=0.23%, the battery efficiency interval of the first gear is divided into and obtains between three sub-efficiency area [18.015%, 18.245%); According to Eta4=0.255%, the battery efficiency interval of the first gear is divided between the 4th sub-efficiency area [18.245%, 18.5%];
Current value is belonged to the cell piece that the first gear and battery efficiency value belong between the first sub-efficiency area and be included in same shelves, these shelves are defined as the first gear first order, [8.225A, 8.295A) and [17.35%, 17.6%];
Current value is belonged to the cell piece that the first gear and battery efficiency value belong between the second sub-efficiency area and be included in same shelves, these shelves are defined as the first gear second level, [8.225A, 8.295A) and [17.6%, 18.015%);
Current value is belonged to the cell piece that the first gear and battery efficiency value belong between the 3rd sub-efficiency area and return as in same shelves, these shelves are defined as the first gear third level, [8.225A, 8.295A) and [18.015%, 18.245%);
Current value is belonged to the cell piece that the first gear and battery efficiency value belong between the 4th sub-efficiency area and be included in same shelves, these shelves are defined as the first gear fourth stage, [8.225A, 8.295A) and [18.245%, 18.5%];
The cell piece of the second gear is carried out to battery efficiency test, after contrast, the optimum efficiency of setting the second gear cell piece is interval for [17.5%, 18.545%], after contrast, find to need to set three interval extreme differences, these three interval extreme differences are respectively Eta1=0.415%, Eta2=0.33%, Eta3=0.3%, according to Eta1=0.415%, the battery efficiency interval of the second gear are cut apart and are obtained between the 4th sub-efficiency area [17.5%, 17.915%]; According to Eta2=0.33%, the battery efficiency interval of the second gear is cut apart and obtained between the 5th sub-efficiency area [17.915%, 18.245%); According to Eta3=0.3%, the battery efficiency interval of the second gear is cut apart and obtained between the 6th sub-efficiency area [18.245%, 18.545%);
Current value is belonged to the cell piece that the second gear and battery efficiency value belong between the 4th sub-efficiency area and be included in same shelves, these shelves are defined as the second gear fourth stage, [8.295A, 8.345A]) and [17.5%, 17.915%];
Current value is belonged to the cell piece that the second gear and battery efficiency value belong between the 5th sub-efficiency area and be included in same shelves, these shelves are defined as the second gear level V, [8.295A, 8.345A]) and [17.915%, 18.245%);
Current value is belonged to the cell piece that the second gear and battery efficiency value belong between the 6th sub-efficiency area and return as in same shelves, these shelves are defined as the 6th grade of the second gear, [8.295A, 8.345A]) and [18.245%, 18.545%);
To sum up, according to the method described above, by this batch of fillet 156 single crystal battery built-in testings and be divided into seven grades, be respectively:
The first gear first order, working current value be positioned at [8.225A, 8.295A) and battery efficiency value be positioned at [17.35%, 17.6%];
The first gear second level, working current value be positioned at [8.225A, 8.295A) and battery efficiency value be positioned at [17.6%, 18.015%);
The first gear third level, working current value be positioned at [8.225A, 8.295A) and battery efficiency value be positioned at [18.015%, 18.245%);
The first gear fourth stage, working current value be positioned at [8.225A, 8.295A) and battery efficiency value be positioned at [18.245%, 18.5%];
The second gear level V, working current value is positioned at [8.295A, 8.345A]) and battery efficiency value be positioned at [17.5%, 17.915%];
The 6th grade of the second gear, working current value is positioned at [8.295A, 8.345A]) and battery efficiency value be positioned at [17.915%, 18.245%);
The 7th grade of the second gear, working current value is positioned at [8.295A, 8.345A]) and battery efficiency value be positioned at [18.245%, 18.545%).

Claims (5)

1. a method for Novel crystal silicon solar cell test stepping, comprises operating current stepping and battery effectRate stepping, is characterized in that comprising the following steps:
S: preferentially carry out just stepping of operating current:
The detailed process of above-mentioned steps S is,
S1: each cell piece in cell piece group to be measured is carried out to operating current test, obtain each cell pieceWorking current value;
S2: set the required current value interval of mesuring battary sheet group;
S3: according to setting gradient, by interval current value segmentation, obtain the interval N of multiple electron current values;
S4: the working current value of the each cell piece obtaining according to step S1 is also right according to each electron current value intervalCell piece carries out stepping, and all working current values are included into same with the cell piece that belongs to same electron current value intervalIn gear, obtain multiple one-level gears;
D: after working current value stepping, then carry out battery efficiency value stepping:
The detailed process of above-mentioned steps D is,
D1: the battery efficiency value to the cell piece in each one-level gear is measured, obtains each one-level gearThe battery efficiency value of interior cell piece;
D2: the battery efficiency value of the each cell piece in the same one-level gear obtaining according to step D1, for oftenIndividual one-level gear is set the required battery efficiency value interval of this one-level gear;
D3: according to setting gradient by interval the battery efficiency value of each one-level gear segmentation, obtain this one-level gearThe interval M of multiple sub-battery efficiency value;
D4: the interval M of the multiple sub-battery efficiency value corresponding with this one-level gear obtaining according to step D3 is to thisEach cell piece in one-level gear carries out stepping, obtains the multiple secondary gears in this one-level gear;
Complete the stepping to crystal silicon solar batteries test.
2. the method for a kind of Novel crystal silicon solar cell test stepping according to claim 1, its featureBe: in described step S3, get one and/or multiple natural number as interval extreme difference, according to the large young pathbreaker of extreme differenceSegmentation between Current Zone, obtains the interval N of electron current.
3. the method for a kind of Novel crystal silicon solar cell test stepping according to claim 1, its featureBe: in described step D3, get one and/or multiple natural number as interval extreme difference, according to the large young pathbreaker of extreme differenceThe interval segmentation of each battery efficiency, after segmentation, each battery efficiency interval is split into multiple sub-battery efficienciesInterval M.
4. the method for a kind of Novel crystal silicon solar cell test stepping according to claim 1, its featureBe: between described step S3 neutron Current Zone, the span of the extreme difference of N is [0,1].
5. the method for a kind of Novel crystal silicon solar cell test stepping according to claim 1, its featureBe: between described step D3 neutron efficiency area, the extreme difference scope of M is [0,0.45%].
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106129180A (en) * 2016-08-01 2016-11-16 芜湖格利特新能源科技有限公司 A kind of manufacturing process of crystal silicon solar energy battery
CN106206860A (en) * 2016-09-14 2016-12-07 无锡尚德太阳能电力有限公司 Solve the battery stepping method of crystal silicon solar assembly EL light and shade problem
CN107301968A (en) * 2017-07-31 2017-10-27 苏州阿特斯阳光电力科技有限公司 A kind of method for separating of solar battery sheet, connection method, component and test device
CN110170468A (en) * 2019-05-23 2019-08-27 通威太阳能(成都)有限公司 A kind of method for separating reducing the bad ratio of solar cell module light and shade piece
CN111010086A (en) * 2019-12-06 2020-04-14 英利能源(中国)有限公司 Battery sorting method and system and terminal equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009012970A1 (en) * 2007-07-25 2009-01-29 Deutsche Cell Gmbh Apparatus and method for classifying a solar cell
CN103357596A (en) * 2012-04-09 2013-10-23 中电电气(上海)太阳能科技有限公司 Current grading method of photovoltaic module
CN103618500A (en) * 2013-10-18 2014-03-05 浙江晶科能源有限公司 Testing and grading method for crystalline silicon solar cell
CN104269574A (en) * 2014-09-23 2015-01-07 中航锂电(洛阳)有限公司 Battery pack sorting method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009012970A1 (en) * 2007-07-25 2009-01-29 Deutsche Cell Gmbh Apparatus and method for classifying a solar cell
CN103357596A (en) * 2012-04-09 2013-10-23 中电电气(上海)太阳能科技有限公司 Current grading method of photovoltaic module
CN103618500A (en) * 2013-10-18 2014-03-05 浙江晶科能源有限公司 Testing and grading method for crystalline silicon solar cell
CN104269574A (en) * 2014-09-23 2015-01-07 中航锂电(洛阳)有限公司 Battery pack sorting method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
谢文旭等: "晶体硅太阳能电池分档模拟程序及其自优化分档策略研究", 《电子科技大学研究生学报》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106129180A (en) * 2016-08-01 2016-11-16 芜湖格利特新能源科技有限公司 A kind of manufacturing process of crystal silicon solar energy battery
CN106206860A (en) * 2016-09-14 2016-12-07 无锡尚德太阳能电力有限公司 Solve the battery stepping method of crystal silicon solar assembly EL light and shade problem
CN107301968A (en) * 2017-07-31 2017-10-27 苏州阿特斯阳光电力科技有限公司 A kind of method for separating of solar battery sheet, connection method, component and test device
CN107301968B (en) * 2017-07-31 2019-10-25 苏州阿特斯阳光电力科技有限公司 A kind of method for separating of solar battery sheet, connection method, component and test device
CN110170468A (en) * 2019-05-23 2019-08-27 通威太阳能(成都)有限公司 A kind of method for separating reducing the bad ratio of solar cell module light and shade piece
CN111010086A (en) * 2019-12-06 2020-04-14 英利能源(中国)有限公司 Battery sorting method and system and terminal equipment

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