CN106452361A - Testing device for double-surface solar battery and testing method of testing device - Google Patents
Testing device for double-surface solar battery and testing method of testing device Download PDFInfo
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- CN106452361A CN106452361A CN201610969174.8A CN201610969174A CN106452361A CN 106452361 A CN106452361 A CN 106452361A CN 201610969174 A CN201610969174 A CN 201610969174A CN 106452361 A CN106452361 A CN 106452361A
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- solar cell
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- side solar
- dark slide
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- 238000012360 testing method Methods 0.000 title claims abstract description 89
- 239000000523 sample Substances 0.000 claims abstract description 43
- 238000002310 reflectometry Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims description 12
- 238000011056 performance test Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000000123 paper Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 10
- 238000010998 test method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
- H02S50/15—Testing of PV devices, e.g. of PV modules or single PV cells using optical means, e.g. using electroluminescence
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention discloses a testing device for a double-surface solar battery. The testing device comprises a sunlight simulator, upper probes, lower probes and an electrical testing instrument, wherein the upper probes and the lower probes are arranged in rows and are used for being in contact with a front electrode and a back electrode of the double solar battery to be tested respectively during testing; and the upper probes and the lower probes are electrically connected with the electrical testing instrument through connecting wires. The testing device is characterized by further comprising a light shield with low reflectivity, light with wavelength of 200-1,500 nm cannot transmit through the light shield, the reflectivity of the light shield to the light with the wavelength of 200-1,500 is smaller than or equal to 5%, during testing, the light shield is arranged below the double-surface solar battery to be tested, the light shield is parallel to the back surface of the solar battery, and the distance between the light shield and the back surface of the solar battery is smaller than or equal to 3 mm. The invention further discloses a testing method of the double-surface solar battery. By the testing device, influences of reflecting light, scattering light and transmission light can be eliminated effectively, and an accurate testing result is obtained; and meanwhile, the testing device is flexible to use and wide in application range.
Description
Technical field
The present invention relates to a kind of test device of solar cell, more particularly to a kind of test device of double-side solar cell and
Its method of testing, belongs to solar cell technical field of performance test.
Background technology
With respect to the conventional crystal silicon solar cell of one side light, double-side solar cell using just, two sensitive surfaces of the back of the body, can
So that higher density of photocurrent is obtained, generated output is largely improved.According to ground and environment is installed, based on the two-sided sun
The photovoltaic generating system of battery can obtain 10 to 30% power gain.
The electrical performance testing of solar cell（Such as, current/voltage test）It is the important channel for assessing solar cell performance.
In volume production, it usually needs the every a piece of solar cell completed by manufacture is tested, shelves are sorted by key parameters such as conversion efficiencies
Position.For the electrical performance testing of one side solar cell, traditional test machine is contacted too respectively using upper and lower both sides probe row
The front and back electrode in positive electricity pond.Under standard test condition, the solar simulator above battery is launched illumination and is mapped to battery
Front, while electrical testing instrument is tested, obtains i-v curve and analyzes Specifeca tion speeification.The one side sun
Cell backside is typically covered, typically with metal layers covering, and the light of the etalon optical power of solar simulator transmitting is only absorbed by its front, because
This above-mentioned method of testing can test its electric property exactly.
The characteristic of double-side solar cell generating electricity on two sides and device architecture, propose new requirement and ask to electrical performance testing
Topic.The electric property of double-side solar cell front and back needs to test respectively, that is, it is non-receiving that must define the back side when testing front performance
Bright finish（Or during test back side performance must to define front be non-illuminated surface）.However, solar simulator launches light via test
The reflection of machine inside part, scattering, reach the back side of double-side solar cell and are absorbed.In addition, being irradiated to the light in front（Mainly
It is the light of long wavelength）Can be transmitted through solar cell.The light for transmiting is via the environment in back of solar cell certain space and thing
Body reflection, scattering, can return back of solar cell again and be absorbed.The light that this two parts absorbs will produce extra photoelectricity
Stream so that the electrical testing result under standard test condition becomes inaccurate.Existing relevant double-side solar cell method of testing,
As in notification number for, in the Chinese invention patent file of 102830364 B of CN, disclosing a kind of generating electricity on two sides solaode
Measuring method, although which is by using the test platform for integrating downside probe or black box, forms non-illuminated surface dark surrounds, no
Method compatibility different size, the solar cell test of Different electrodes figure, restricted application.Accordingly, it would be desirable to design a kind of two-sided
Solar cell electrical performance test method, is used in the test of the double-side solar cell of different size and electrode pattern.
The present invention proposes double-side solar cell electrical performance test method, can effectively exclude reflection, scattering, transmitted light
Impact, obtain accurate test result.Neatly arranged using dark slide and probe, can compatible different size, different electricity
The double-side solar cell of pole figure shape.
Content of the invention
The present invention is directed in prior art, the above-mentioned technical problem of the method for testing presence of double-side solar cell, provides one
Test device and its method for testing of double-side solar cell is planted, the impact of reflection, scattering, transmitted light can be effectively excluded, is obtained
Obtain accurate test result；Meanwhile, can compatible different size, the double-side solar cell of Different electrodes figure.
For this purpose, the present invention is adopted the following technical scheme that：
A kind of test device of double-side solar cell, including：Solar simulator, setting in a row, in test respectively
The upper probe and lower probe of contact measured double-side solar cell front electrode and backplate, and electrical testing instrument, described
Upper probe and lower probe are electrically connected with electrical testing device by connecting wire respectively, it is characterised in that：Also include a low reflection
The dark slide of rate, the dark slide is just lighttight for wavelength 200 to 1500nm, for wavelength 200 to 1500nm's
Reflectance≤5% of light, during test, the dark slide is arranged at the lower section of double-side solar cell to be measured, the table with solar cell
The parallel and spacing≤3mm in face.
Further, the material of the dark slide is plastics, paper, wood, glass or metal.
Further, the shading board size is more than double-side solar cell to be measured, and each edge of dark slide all exceeds
Each edge of double-side solar cell to be measured.
Further, each edge of the dark slide is beyond each edge 1-5 mm mm of double-side solar cell to be measured.
Further, in dark slide, correspond respectively to the front electrode of double-side solar cell to be measured, backplate and
Through hole is provided with lower probe, during test, the lower probe is electric with the front of double-side solar cell to be measured through those through holes
Pole or backplate contact.
A kind of double-side solar cell electrical performance test method using the test device, comprises the steps：
S1：Double-side solar cell to be measured is faced up, the dark slide of antiradar reflectivity is placed in parallel in below solar cell, shading
Plate and spacing≤3mm parallel with solar cell；
S2：Probe is made to contact with the front electrode of double-side solar cell；
S3：Lower probe is made to contact with the backplate of double-side solar cell by the through hole of dark slide of antiradar reflectivity；
S4：Under standard test condition, the front electric property of testing two-sided solar cell；
S5：Upset double-side solar cell is allowed to back side up, and the dark slide of antiradar reflectivity is placed in parallel in below solar cell,
Dark slide and spacing≤3mm parallel with solar cell；
S6：Probe is made to contact with the backplate of double-side solar cell；
S7：Lower probe is made to contact with the front electrode of double-side solar cell by the through hole of dark slide of antiradar reflectivity；
S8：Under standard test condition, the back side electrical performance of testing two-sided solar cell.
Further, the shading board size is more than double-side solar cell to be measured, and each edge of dark slide all exceeds
Each edge of double-side solar cell to be measured.
Further, each edge of the dark slide is beyond each edge 1-5 mm of double-side solar cell to be measured.
By the present invention in that with the dark slide of antiradar reflectivity, being close to the double-side solar cell back side to be measured and placing, effectively
The light for preventing solar simulator from launching reaches two-sided sun electricity via transmitting, the scattering of tester table inner part and environment
The back side in pond；While prevent the light for transmiting double-side solar cell from reflecting, scattering via environment and object, sun electricity of returning again
The pond back side；By excluding reflection in test process, scattering, the impact of transmitted light, it is possible to obtain accurate test result.Meanwhile,
According to size and the electrode arrangement of double-side solar cell, can design and process the dark slide of the antiradar reflectivity of different size, from
And compatible different size, the test of the double-side solar cell of Different electrodes figure, applied widely.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
In figure, 101 be solar simulator, 102 be upper probe, 103 be lower probe, 104 be dark slide, 105 is to be measured double
Face solar cell, 106 is connecting wire, and 107 is electrical testing instrument, and 108 is through hole.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, with prior art phase in the present invention
Same part will be with reference to prior art.
Embodiment 1
As shown in figure 1, the test device of the double-side solar cell of the present invention, including：Solar simulator 101, setting in a row,
Upper probe 102 and lower probe for 105 front electrode of difference contact measured double-side solar cell and backplate in test
103, and electrical testing instrument 107, upper probe 102 and lower probe 103 are respectively by connecting wire 106 and electrical testing device
107 electrical connections, also include the dark slide 104 of one piece of antiradar reflectivity, and the dark slide 104 is for wavelength 200 to 1500nm just
Lighttight, for reflectance≤5% of the light of wavelength 200 to 1500nm, during test, dark slide be arranged to be measured two-sided too
The lower section in positive electricity pond, and spacing≤3mm parallel with the back surface of solar cell.
The material of dark slide 104 can be plastics, paper, wood, glass or metal；In principle, as long as reflectance can reach
The material of requirement is stated, may serve to the dark slide as the present invention.
104 size of dark slide be more than double-side solar cell to be measured, and each edge of dark slide all beyond to be measured two-sided too
Each edge in positive electricity pond.Preferably, each edge 2 mm of each edge of dark slide beyond double-side solar cell to be measured, limited
In size, with optimal shading and anti-reflection effect.
In dark slide, correspond respectively at front electrode, backplate and the lower probe of double-side solar cell to be measured
Through hole 108 is provided with, during test, the lower probe 103 passes through the front electrode of those through holes and double-side solar cell to be measured
Or backplate contact.Specifically, when the front electric property of testing solar battery, lower probe 103 is through through hole 108 and too
The backplate contact in positive electricity pond；When the back side electrical performance of testing solar battery, lower probe 103 is through through hole 108 and too
The front electrode contact in positive electricity pond.The distribution feelings of electrode and lower probe of the setting of through hole 108 corresponding to the solar cell
Condition, makes it possible to reach above-mentioned test request.
Embodiment 2
A kind of method of testing of double-side solar cell, employs the test device described in embodiment 1, comprises the steps：
S1：Double-side solar cell to be measured is faced up, the dark slide of antiradar reflectivity is placed in parallel in below solar cell, shading
Plate and spacing≤3mm parallel with solar cell；
Shading board size is more than double-side solar cell to be measured, and each edge of dark slide is all beyond double-side solar cell to be measured
Each edge 1-5 mm, in the present embodiment, each edge of dark slide is beyond each edge 2mm of double-side solar cell to be measured；
S2：Probe is made to contact with the front electrode of double-side solar cell；
S3：Lower probe is made to contact with the backplate of double-side solar cell by the through hole of dark slide of antiradar reflectivity；
S4：Under standard test condition, the front electric property of testing two-sided solar cell；The standard test condition is：Temperature
Degree 25 DEG C, irradiation intensity 1000W/cm2.
S5：Upset double-side solar cell is allowed to back side up, and the dark slide of antiradar reflectivity is placed in parallel in solar cell
Lower section, dark slide and spacing≤3mm parallel with solar cell；
S6：Probe is made to contact with the backplate of double-side solar cell；
S7：Lower probe is made to contact with the front electrode of double-side solar cell by the through hole of dark slide of antiradar reflectivity；
S8：Under standard test condition, the back side electrical performance of testing two-sided solar cell.
The standard test condition is：25 DEG C of temperature, irradiation intensity 1000W/cm2.
The dark slide by using antiradar reflectivity of the present invention, dark slide is set with the more close spacing in the surface of solar cell
Put, can effectively prevent reflection, the back side of scattered light arrival double-side solar cell of tester table inner part and environment；Using low
The dark slide of reflectance can effectively reduce transmitted light and re-emit back solar cell, so as to reduce extra light radiation to test
The impact of accuracy, obtains accurate test result.As shown in table 1.
Under 1. standard test condition of table, measured double-side cell front and back unit for electrical property parameters is set with/without dark slide.
Claims (8)
1. a kind of test device of double-side solar cell, including：Solar simulator, setting in a row, for test the time-division
The upper probe and lower probe of other contact measured double-side solar cell front electrode and backplate, and electrical testing instrument, institute
State probe and lower probe electrically connected with electrical testing device by connecting wire respectively, it is characterised in that：Also include that one is low anti-
The dark slide of rate is penetrated, the dark slide is just lighttight for wavelength 200 to 1500nm, for wavelength 200 to 1500nm
Light reflectance≤5%, during test, the dark slide is arranged at the lower section of double-side solar cell to be measured, with solar cell
The parallel and spacing≤3mm of back surface.
2. the test device of double-side solar cell according to claim 1, it is characterised in that：The material of the dark slide is
Plastics, paper, wood, glass or metal.
3. the test device of double-side solar cell according to claim 1, it is characterised in that：The shading board size is more than
Double-side solar cell to be measured, and each edge of each edge of dark slide all beyond double-side solar cell to be measured.
4. the test device of double-side solar cell according to claim 3, it is characterised in that：The each edge of the dark slide surpasses
Go out each edge 1-5 mm of double-side solar cell to be measured.
5. the test device of double-side solar cell according to claim 1, it is characterised in that：In dark slide, right respectively
Through hole should be provided with the front electrode of double-side solar cell to be measured, backplate and lower probe, during test, the test
Pin is contacted through the front electrode of those through holes and double-side solar cell to be measured or backplate.
6. a kind of usage right requires the double-side solar cell electrical performance test method of the arbitrary test device of 1-5, including
Following steps：
S1：Double-side solar cell to be measured is faced up, the dark slide of antiradar reflectivity is placed in parallel in below solar cell, hide
Tabula rasa and spacing≤3mm parallel with solar cell；
S2：Probe is made to contact with the front electrode of double-side solar cell；
S3：Lower probe is made to contact with the backplate of double-side solar cell by the through hole of dark slide of antiradar reflectivity；
S4：Under standard test condition, the front electric property of testing two-sided solar cell；
S5：Upset double-side solar cell is allowed to back side up, and the dark slide of antiradar reflectivity is placed in parallel in below solar cell,
Dark slide and spacing≤3mm parallel with solar cell；
S6：Probe is made to contact with the backplate of double-side solar cell；
S7：Lower probe is made to contact with the front electrode of double-side solar cell by the through hole of dark slide of antiradar reflectivity；
S8：Under standard test condition, the back side electrical performance of testing two-sided solar cell.
7. double-side solar cell electrical performance test method according to claim 6, it is characterised in that：The shading board foot
Very little more than double-side solar cell to be measured, and each edge of each edge of dark slide all beyond double-side solar cell to be measured.
8. double-side solar cell electrical performance test method according to claim 7, it is characterised in that：The dark slide is each
Edge is beyond each edge 1-5 mm of double-side solar cell to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610969174.8A CN106452361A (en) | 2016-11-06 | 2016-11-06 | Testing device for double-surface solar battery and testing method of testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610969174.8A CN106452361A (en) | 2016-11-06 | 2016-11-06 | Testing device for double-surface solar battery and testing method of testing device |
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| Publication Number | Publication Date |
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| CN106452361A true CN106452361A (en) | 2017-02-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610969174.8A Pending CN106452361A (en) | 2016-11-06 | 2016-11-06 | Testing device for double-surface solar battery and testing method of testing device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107911080A (en) * | 2017-12-19 | 2018-04-13 | 泰州隆基乐叶光伏科技有限公司 | The test device of solar cell electrical property |
| CN108133898A (en) * | 2017-12-19 | 2018-06-08 | 泰州隆基乐叶光伏科技有限公司 | A kind of solar cell electric performance testing device |
| CN108493125A (en) * | 2018-05-24 | 2018-09-04 | 无锡市产品质量监督检验院 | A kind of test structure of solar cell piece |
| CN109347437A (en) * | 2018-09-17 | 2019-02-15 | 江西展宇新能源股份有限公司 | A kind of more main grid test equipment of solar cells |
| CN110648937A (en) * | 2019-10-23 | 2020-01-03 | 天合光能股份有限公司 | Solar cell voltage distribution measuring method and measuring device thereof |
| CN112444727A (en) * | 2019-08-28 | 2021-03-05 | 飞锃半导体（上海）有限公司 | Wafer testing system and method |
| CN113809987A (en) * | 2021-08-25 | 2021-12-17 | 常州亚玛顿股份有限公司 | Method for improving quantum efficiency test accuracy of photovoltaic device |
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| CN203054180U (en) * | 2012-12-24 | 2013-07-10 | 苏州阿特斯阳光电力科技有限公司 | Performance testing device used for double-face solar cell |
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| CN109347437A (en) * | 2018-09-17 | 2019-02-15 | 江西展宇新能源股份有限公司 | A kind of more main grid test equipment of solar cells |
| CN112444727A (en) * | 2019-08-28 | 2021-03-05 | 飞锃半导体（上海）有限公司 | Wafer testing system and method |
| CN110648937A (en) * | 2019-10-23 | 2020-01-03 | 天合光能股份有限公司 | Solar cell voltage distribution measuring method and measuring device thereof |
| CN113809987A (en) * | 2021-08-25 | 2021-12-17 | 常州亚玛顿股份有限公司 | Method for improving quantum efficiency test accuracy of photovoltaic device |
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