CN106972829A - A kind of double-sided solar battery test equipment - Google Patents
A kind of double-sided solar battery test equipment Download PDFInfo
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- CN106972829A CN106972829A CN201710122525.6A CN201710122525A CN106972829A CN 106972829 A CN106972829 A CN 106972829A CN 201710122525 A CN201710122525 A CN 201710122525A CN 106972829 A CN106972829 A CN 106972829A
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- probe
- solar battery
- sided solar
- test equipment
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- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 239000000523 sample Substances 0.000 claims abstract description 133
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 15
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 15
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 15
- 229910052709 silver Inorganic materials 0.000 claims description 15
- 239000004332 silver Substances 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 239000010703 silicon Substances 0.000 claims description 14
- 229940037003 alum Drugs 0.000 claims description 12
- 229910052724 xenon Inorganic materials 0.000 claims description 9
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical group [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000009408 flooring Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910001020 Au alloy Inorganic materials 0.000 claims 1
- 239000003353 gold alloy Substances 0.000 claims 1
- 230000009466 transformation Effects 0.000 abstract description 14
- 238000004088 simulation Methods 0.000 abstract description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 10
- 238000005259 measurement Methods 0.000 description 5
- 230000001678 irradiating effect Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 229910004613 CdTe Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910018030 Cu2Te Inorganic materials 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003595 spectral effect Effects 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
-
- 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 present invention relates to a kind of double-sided solar battery test equipment, including light source, first probe is arranged, double-sided solar battery, reflective thing, the control system that second probe is arranged and is connected with first probe row and second probe row, first probe is ranked between the light source and the double-sided solar battery, second probe is ranked between the reflective thing and the double-sided solar battery, the double-sided solar battery is located at first probe and arranged between second probe row, the first probe row includes some first probes, the second probe row includes some second probes, first probe and the second probe are uniformly distributed in the two sides of the double-sided solar battery respectively.The double-sided solar battery test equipment that the present invention is provided, the actual use scene of simulation double-sided solar battery, and measure the photoelectric transformation efficiency of double-sided solar battery.
Description
Technical field
The present invention relates to technical field of solar batteries, more particularly to a kind of double-sided solar battery test equipment.
Background technology
Solar cell is that one kind effectively absorbs solar radiant energy, and electric energy is converted optical energy into using photovoltaic effect
Device, when solar irradiation is in semiconductor P-N junction (P-N Junction), form new hole-electron to (V-E pair),
In the presence of P-N junction electric field, hole flows to P areas by N areas, and electronics flows to N areas by P areas, connects and electric current is just formed after circuit.By
Then solar energy is converted into the solid semiconductor device of electric energy using the photovoltaic effect of various potential barriers, therefore the also known as sun
Energy battery or photovoltaic cell, are the significant components of solar array power-supply system.Solar cell mainly has crystal silicon (Si) electricity
Pond, III-V semi-conductor cell (GaAs, Cds/Cu2S, Cds/CdTe, Cds/InP, CdTe/Cu2Te), no machine battery is organic
Battery etc., wherein crystal silicon solar batteries occupy market mainstream leading position.
The stock of crystal silicon solar batteries is p-type of the purity up to 0.999999, resistivity more than 10 Europe centimetre
Monocrystalline silicon, the solar cell of industry main flow is one side light solar cell, including front matte, front p-n junction, front subtract
The parts such as reflectance coating, positive backplate.With the development of technology, double-side photic solar cell because photoelectric transformation efficiency height will
Gradually moved towards the industrialization big production from laboratory, but can simulate actual use scene without a kind of equipment in the market,
The photoelectric transformation efficiency of double-sided solar battery is measured, therefore, it is necessary to propose a kind of double-sided solar battery test equipment, is used
In making up current gaps in market.
The present invention proposes a kind of double-sided solar battery test equipment, and the actual use of simulation double-sided solar battery shows
, and measure the photoelectric transformation efficiency of double-sided solar battery.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of double-sided solar battery test equipment, double-sided solar is simulated
The actual use scene of battery, and measure the photoelectric transformation efficiency of double-sided solar battery.
In order to solve the above-mentioned technical problem, the present invention proposes a kind of double-sided solar battery test equipment, including light source, the
One probe row, double-sided solar battery, reflective thing, the second probe are arranged and arranged with first probe row and second probe
The control system being connected, first probe is ranked between the light source and the double-sided solar battery, and described second
Probe is ranked between the reflective thing and the double-sided solar battery, and the double-sided solar battery is located at described first and visited
Between faller gill and second probe row, the first probe row includes some first probes, if second probe row includes
Dry second probe, first probe and the second probe are uniformly distributed in the two sides of the double-sided solar battery, institute respectively
State the first probe row and the second probe arranges synchronous axial system, and drive the double-sided solar battery to rotate.
Preferably, the reflective thing is reflective mirror, cement wall surface, cement flooring, lawn, the water surface, snowfield or soil face.
Preferably, the first probe row is arranged along clockwise and/or dynamic, angle of rotation of walking around counterclockwise with second probe
It is 0 ° to 90 ° to spend scope.
Preferably, the light source is xenon lamp, and the quantity of the light source is 1-10, the light source and the double-sided solar
Spacing between battery is 2-100cm.
Preferably, the quantity of the light source is 2-10, and the light source is uniformly distributed in the double-sided solar battery
Side.
Preferably, first probe row includes 2-8 and ranked first probe, and often row includes individual first probes of 5-20, and described the
One probe is uniformly distributed in the one side of the double-sided solar battery in array；
Second probe is distributed on the second probe row in array, wherein second probe row includes 2-8
Probe is ranked second, often row includes 5-20 the second probes, second probe is uniformly distributed in the two-sided sun in array
The another side of energy battery.
Preferably, the double-sided solar battery is N-type solar cell.
Preferably, the double-sided solar battery is p-type double-sided solar battery, the p-type double-sided solar battery bag
Include the silver-colored main grid of the back of the body, alum gate line, back side silicon nitride, backside oxide aluminium film, P-type silicon, N-type emitter stage, front side silicon nitride film and just
Silver electrode；The back side silicon nitride, backside oxide aluminium film, P-type silicon, N-type emitter stage, front side silicon nitride film and positive silver electrode from
Under it is supreme stack gradually connection, the back side silicon nitride and backside oxide aluminium film formed after lbg 30-500 it is flat
At least 1 group lbg unit is set in the lbg area that row is set, each lbg area；Every alum gate line is located at each
Below lbg area, the alum gate line is connected by lbg area with P-type silicon；Main grid is vertical connects with back of the body silver for the alum gate line
Connect.
Preferably, first probe is made up of the metal or alloy conducting electricity very well；
Second probe is made up of the metal or alloy conducting electricity very well.
Preferably, first probe has gold, billon or silver to be made；
Second probe has gold, billon or silver to be made.
Compared with prior art, the beneficial effects of the present invention are：
The double-sided solar battery test equipment that the present invention is provided, employs radiation spectrum Energy distribution and is close with daylight
Xenon lamp, to the spacing between the light source and the double-sided solar battery, distribution of light sources is in the double-sided solar battery
The distribution situation on surface, the material of first probe and the second probe and its is distributed in the double-sided solar battery two sides
Distribution situation, has carried out rational optimization and has limited, and simulates the Shi Jishiyong occasion of the double-sided solar battery by different
The irradiating angle that reflective thing reflected sunlight and sunshine are continually changing, ensure that the double-sided solar electricity to greatest extent
The accuracy and objectivity of pond test equipment measurement.
Brief description of the drawings
The structural representation for the double-sided solar battery test equipment device that Fig. 1 provides for the present invention.
Embodiment
In order that those skilled in the art more fully understands technical scheme, it is below in conjunction with the accompanying drawings and preferred real
Applying example, the present invention is described in further detail.
As shown in figure 1, a kind of double-sided solar battery test equipment, including light source 1, the first probe row 2, double-sided solar
Battery 3, reflective thing 4, the second probe row 5 and the control systems being connected with first probe row 2 and second probe row 5
System 6, the first probe row 2 is located between the light source 1 and the double-sided solar battery 3, and the second probe row 5 is located at
Between the reflective thing 4 and the double-sided solar battery 3, the double-sided solar battery 3 be located at first probe row 2 with
Between the second probe row 5, the first probe row 2 includes some first probes 21, and the second probe row 5 includes some
Second probe 51, the probe 51 of the first probe 21 and second is uniformly distributed in the two of the double-sided solar battery 3 respectively
Face, the first probe row 2 and the second probe arrange 5 synchronous axial systems, and drive the double-sided solar battery 3 to rotate.
The light source 1 is xenon lamp, and the quantity of the light source 1 is 1-10, is configured with specific reference to being actually needed, works as institute
When the quantity for stating light source 1 is 2 or more than 2, the light source 1 is uniformly distributed in the side of the double-sided solar battery 3,
Spacing between the light source 1 and the double-sided solar battery 3 is 2-100cm.
Herein it should be noted that firstly, since there is xenon lamp radiation spectrum Energy distribution to be close with daylight, continuous light
The spatial distribution for composing part is almost unrelated with the change of xenon lamp input power, and spectral power distribution is also almost unchanged in lifetime,
Light, electrical parameter uniformity are good, and working condition is influenceed small by change of external conditions, and xenon lamp is almost instantaneous once burning-point
Reach stable light output；After lamp goes out, can instantaneously again burning-point the advantages of, fully ensured that double-sided solar battery test is set
The standby accuracy for testing the double-sided solar battery；Secondly, it is described when the quantity of the light source 1 is 2 or more than 2
Light source 1 is uniformly distributed in the side of the double-sided solar battery 3, the side for ensureing the double-sided solar battery 3
The uniform irradiation by the light source 1 in surface, so as to further ensure the double-sided solar battery test equipment test
Accuracy；Finally, when the 2cm that is smaller than between the light source 1 and the double-sided solar battery 3, the light source 1 and institute
State that the distance between double-sided solar battery 3 is too small, cause light source to be uniformly irradiated to the double-sided solar battery
On surface, the photoelectric transformation efficiency of the double-sided solar battery 3 is influenceed, the objectivity of test equipment test has been run counter to, has worked as institute
State the spacing between light source 1 and the double-sided solar battery 3 and be more than 100cm, the light source 1 and the double-sided solar battery
The distance between 3 is excessive, and the light intensity for reaching the surface of double-sided solar battery 3 reduces, and influences the double-sided solar battery 3
Photoelectric transformation efficiency, run counter to test equipment test objectivity, therefore, by the light source 1 and the double-sided solar electricity
The distance between pond 3 is set in the range of of the invention state, to ensure that measuring the photoelectricity of double-sided solar battery 3 turns
Change the objectivity and accuracy of efficiency.
The first probe row 2 is located between the double-sided solar battery 3 and the light source 1, described double for measuring
The electric current and voltage of the one side output of face solar cell 3, it includes some first probes 21, specifically, first probe
21 are distributed on the first probe row 2 in array, wherein first probe row 2 ranked first probe 21 including 2-8, often arrange
Including 5-20 the first probes 21, first probe 21 is uniformly distributed in the one of the double-sided solar battery 3 in array
Face, for ensureing that different zones can be detected on the double-sided solar battery, to ensure the double-sided solar electricity
The objectivity and accuracy of pond test equipment test.
More preferably, first probe 21 is made up of the metal or alloy conducting electricity very well, specifically, first probe
21 have gold, billon or silver to be made, and herein, because the probe resistance conducted electricity very well is small, it is to the double-sided solar battery 3
Electric current and voltage output influence very little, so as to ensure that the visitor for the photoelectric transformation efficiency for testing the double-sided solar battery
The property seen and accuracy.
The double-sided solar battery 3 is located between first probe row 2 and second probe row 5, is easy to described
Double-sided solar battery is measured.The double-sided solar battery 3 can be p-type double-sided solar battery or N-type solar-electricity
Pond, the type of the double-sided solar battery is selected with specific reference to needs of production；In the present embodiment, the double-sided solar
Battery 3 is p-type double-sided solar battery, and the p-type double-sided solar battery includes the silver-colored main grid of the back of the body, alum gate line, back side silicon nitride silicon
Film, backside oxide aluminium film, P-type silicon, N-type emitter stage, front side silicon nitride film and positive silver electrode；The back side silicon nitride, the back side
Pellumina, P-type silicon, N-type emitter stage, front side silicon nitride film and positive silver electrode stack gradually connection, the back side from bottom to up
Silicon nitride film and backside oxide aluminium film form the 30-500 lbg areas be arrangeding in parallel, each laser after lbg
At least 1 group lbg unit is set in slotted zones；Every alum gate line is below each lbg area, and the alum gate line leads to
Laser slotted zones are crossed with P-type silicon to be connected；Main grid is vertical is connected with back of the body silver for the alum gate line.
The reflective thing 4 is used for the practical application for simulating the double-sided solar battery, should with specific reference to actual
Depending on occasion, reflective thing 4 is reflective mirror, cement wall surface, cement flooring, lawn, the water surface, snowfield or soil face etc. as described.
The second probe row 5 is located between the double-sided solar battery 3 and the reflective thing 4, described for measuring
The electric current and voltage of the another side output of double-sided solar battery 3, it includes some second probes 51, specifically, described second
Probe 51 is distributed on the second probe row 5 in array, wherein second probe row 5 ranked second probe 51 including 2-8,
Often row includes 5-20 the second probes 51, and second probe 51 is uniformly distributed in the double-sided solar battery 3 in array
Another side, for ensureing that different zones can be detected on the double-sided solar battery 3, to ensure it is described it is two-sided too
The objectivity and accuracy of positive energy battery test apparatus test.
More preferably, second probe 51 is made up of the metal or alloy conducting electricity very well, specifically, second probe
51 have gold, billon or silver to be made, and herein, because the probe resistance conducted electricity very well is small, it is to the double-sided solar battery 3
Electric current and voltage output influence very little, so as to ensure that the photoelectric transformation efficiency for testing the double-sided solar battery 3
Objectivity and accuracy.
The first probe row 2 arranges 5 synchronous axial systems with second probe, and drives 3 turns of the double-sided solar battery
Dynamic, specifically, the first probe row 2 arranges 5 along clockwise and/or dynamic, rotational angle of walking around counterclockwise with second probe
Scope is 0 ° to 90 ° so that the light source 1 irradiates the double-sided solar battery 3 from different angles, for simulating actual answer
The double-sided solar battery 3 is irradiated from different irradiating angles with occasion sunshine, reaches that the sunshine irradiation of emulation is described double
The effect of face solar cell.
The control system 6 is connected with first probe row 2 and second probe row 5, the first probe row 2
The electric current and voltage of the double-sided solar battery 3 of measurement are simultaneously inputted to the control system 6, and the control system 6 is according to reception
To electric current and voltage calculate the photoelectric transformation efficiency of the double-sided solar battery one side；The second probe row 5 measures
The another side of double-sided solar battery 3 electric current and voltage and input to the control system 6, the control system 6 is according to connecing
The electric current and voltage received calculates the photoelectric transformation efficiency of the double-sided solar battery another side；Can also be according to described
One probe row 2 and second probe row 5 input the two sides of double-sided solar battery 3 electric current and voltage, calculate it is described it is two-sided too
The photoelectric transformation efficiency on positive energy battery two sides.
Herein it should be noted that the calculation formula of photoelectric transformation efficiency is：
Wherein, I represents the output current of solar cell, and V represents the output voltage of solar cell, and intensity of sunshine is
The light source intensity of the present invention, receives the receipts light area that light area is the double-sided solar battery.
The receipts light area of the double-sided solar battery in above formula (1) is fixed value, employs radiation spectrum energy point
The xenon lamp that cloth is close with daylight, reduces the gap between light source and daylight, therefore measure the two-sided sun to greatest extent
The electric current and voltage of energy battery are the necessary factors for determining that whether accurate the measurement photoelectric transformation efficiency is, and the present invention is to the light
Spacing between source and the double-sided solar battery, distribution of light sources in the distribution situation on the double-sided solar battery surface,
The material of first probe and the second probe and its distribution situation for being distributed in the double-sided solar battery two sides, are carried out
Rational optimization is limited, and simulates the actual use occasion of the double-sided solar battery by different reflective thing reflected sunlights
And the irradiating angle that sunshine is continually changing, the double-sided solar battery test equipment measurement is ensure that to greatest extent
Accuracy and objectivity.
Compared with prior art, the beneficial effects of the present invention are：
The double-sided solar battery test equipment that the present invention is provided, employs radiation spectrum Energy distribution and is close with daylight
Xenon lamp, to the spacing between the light source and the double-sided solar battery, distribution of light sources is in the double-sided solar battery
The distribution situation on surface, the material of first probe and the second probe and its is distributed in the double-sided solar battery two sides
Distribution situation, has carried out rational optimization and has limited, and simulates the Shi Jishiyong occasion of the double-sided solar battery by different
The irradiating angle that reflective thing reflected sunlight and sunshine are continually changing, ensure that the double-sided solar electricity to greatest extent
The accuracy and objectivity of pond test equipment measurement.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of double-sided solar battery test equipment, it is characterised in that including light source, the first probe row, double-sided solar electricity
Pond, reflective thing, the second probe row and the control system being connected with first probe row and second probe row, it is described
First probe is ranked between the light source and the double-sided solar battery, second probe rank in the reflective thing with
Between the double-sided solar battery, the double-sided solar battery is located at first probe row and arranges it with second probe
Between, the first probe row includes some first probes, and the second probe row includes some second probes, first probe
Uniformly it is distributed in the two sides of the double-sided solar battery, the first probe row and the second probe row respectively with the second probe
Synchronous axial system, and drive the double-sided solar battery to rotate.
2. double-sided solar battery test equipment as claimed in claim 1, it is characterised in that the reflective thing be reflective mirror,
Cement wall surface, cement flooring, lawn, the water surface, snowfield or soil face.
3. double-sided solar battery test equipment as claimed in claim 1, it is characterised in that the first probe row with it is described
Second probe row along it is clockwise and/or walk around counterclockwise it is dynamic, rotational angle range be 0 ° to 90 °.
4. double-sided solar battery test equipment as claimed in claim 1, it is characterised in that the light source is xenon lamp, described
The quantity of light source is 1-10, and the spacing between the light source and the double-sided solar battery is 2-100cm.
5. double-sided solar battery test equipment as claimed in claim 4, it is characterised in that the quantity of the light source is 2-10
Individual, the light source is uniformly distributed in the side of the double-sided solar battery.
6. double-sided solar battery test equipment as claimed in claim 1, it is characterised in that the first probe row includes 2-
8 ranked first probe, and often row includes 5-20 the first probes, and first probe is uniformly distributed in the two-sided sun in array
The one side of energy battery；
Second probe is distributed on second probe row in array, wherein second probe row, which includes 2-8, arranges the
Two probes, often arranging includes 5-20 the second probes, and second probe is uniformly distributed in the double-sided solar electricity in array
The another side in pond.
7. double-sided solar battery test equipment as claimed in claim 1, it is characterised in that the double-sided solar battery is
N-type solar cell.
8. double-sided solar battery test equipment as claimed in claim 1, it is characterised in that the double-sided solar battery is
P-type double-sided solar battery, the p-type double-sided solar battery includes the silver-colored main grid of the back of the body, alum gate line, back side silicon nitride, the back side
Pellumina, P-type silicon, N-type emitter stage, front side silicon nitride film and positive silver electrode；The back side silicon nitride, backside oxide aluminium
Film, P-type silicon, N-type emitter stage, front side silicon nitride film and positive silver electrode stack gradually connection, the back side silicon nitride silicon from bottom to up
Film and backside oxide aluminium film form the 30-500 lbg areas be arrangeding in parallel, each lbg area after lbg
At least 1 group lbg unit of interior setting；Every alum gate line is below each lbg area, and the alum gate line passes through laser
Slotted zones are connected with P-type silicon；Main grid is vertical is connected with back of the body silver for the alum gate line.
9. double-sided solar battery test equipment as claimed in claim 1, it is characterised in that first probe is by electric conductivity
The good metal or alloy of energy is made；
Second probe is made up of the metal or alloy conducting electricity very well.
10. double-sided solar battery test equipment as claimed in claim 9, it is characterised in that first probe has gold, gold
Alloy or silver are made；
Second probe has gold, billon or silver to be made.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710122525.6A CN106972829A (en) | 2017-03-03 | 2017-03-03 | A kind of double-sided solar battery test equipment |
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| CN201710122525.6A CN106972829A (en) | 2017-03-03 | 2017-03-03 | A kind of double-sided solar battery test equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021188051A1 (en) * | 2020-03-17 | 2021-09-23 | National University Of Singapore | Energy yield estimation measurement methodology for solar cells and modules |
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| CN106449877A (en) * | 2016-10-17 | 2017-02-22 | 浙江晶科能源有限公司 | PERC preparation method |
| CN206640554U (en) * | 2017-03-03 | 2017-11-14 | 广东爱康太阳能科技有限公司 | A kind of double-sided solar battery test equipment |
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2017
- 2017-03-03 CN CN201710122525.6A patent/CN106972829A/en active Pending
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|---|---|---|---|---|
| CN203054179U (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 for double-face solar cells |
| 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 |
| CN106449877A (en) * | 2016-10-17 | 2017-02-22 | 浙江晶科能源有限公司 | PERC preparation method |
| CN206640554U (en) * | 2017-03-03 | 2017-11-14 | 广东爱康太阳能科技有限公司 | A kind of double-sided solar battery test equipment |
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| WO2021188051A1 (en) * | 2020-03-17 | 2021-09-23 | National University Of Singapore | Energy yield estimation measurement methodology for solar cells and modules |
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