CN2762353Y - Amorphous silicon standard solar cell - Google Patents
Amorphous silicon standard solar cell Download PDFInfo
- Publication number
- CN2762353Y CN2762353Y CN 200420083016 CN200420083016U CN2762353Y CN 2762353 Y CN2762353 Y CN 2762353Y CN 200420083016 CN200420083016 CN 200420083016 CN 200420083016 U CN200420083016 U CN 200420083016U CN 2762353 Y CN2762353 Y CN 2762353Y
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- Prior art keywords
- solar cell
- amorphous silicon
- standard
- standard solar
- battery
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 229910021417 amorphous silicon Inorganic materials 0.000 title claims abstract description 34
- 239000011521 glass Substances 0.000 claims abstract description 14
- 229910021419 crystalline silicon Inorganic materials 0.000 claims abstract description 11
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 11
- 238000001228 spectrum Methods 0.000 claims abstract description 11
- 239000010703 silicon Substances 0.000 claims abstract description 10
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims abstract description 9
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 21
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 21
- 239000012528 membrane Substances 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 10
- 238000003475 lamination Methods 0.000 claims description 9
- 230000003595 spectral effect Effects 0.000 claims description 7
- 238000005538 encapsulation Methods 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 239000002313 adhesive film Substances 0.000 claims description 2
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 7
- 239000005315 stained glass Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000013078 crystal Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000013464 silicone adhesive Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
-
- 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)
Abstract
The utility model discloses a standard solar cell, which is used for measuring the characteristic of an anamorphous silicon solar cell I-V. The utility model belongs to the technical field of standard solar cells. The purpose of the utility model is that the utility model adopts a crystalline silicon cell piece and is added with a coloured glass light filtering piece to eliminate an 800-900 wave band in a filtering mode and absorb a 500-600 wave band to be the use of the amorphous silicon standard solar cell. The standard solar cell comprises 4 single crystal silicon solar cell pieces which are connected in series into a group. A print circuit plate and the shady surface of a cell group are attached in an insulation mode. The light filter piece uses QB 21 green blue glass. The wavelength of the response peak value of the spectrum of an amorphous silicon cell is in a range of 500-600 nm. The response of a corresponding spectrum is over 0.96. The wavelength of the response peak value of the spectrum of a crystalline silicon solar cell is in a range of 800-900 nm. The response of a corresponding spectrum is zero. The utility model realizes a sharp cutoff wave filtering effect. The utility model can be used for the contrast of the amorphous silicon cell.
Description
Technical field
The utility model discloses a kind of standard solar cell that is used to measure amorphous silicon solar cell I-V characteristic.It distributes by standard sunlight irradiation degree and measures irradiance or set the solar simulator irradiance, belongs to the standard solar cell technical field.
Background technology
At present, according to the regulation of IEC standard, standard cell that calibration sunlight (containing simulated solar) irradiance is used and tested solar cell are the batteries that adopts same process, same material to make.In real work, the technology that monocrystalline silicon m-Si, the standard cell that polysilicon P-Si makes are used for I-V photovoltaic property testing equipment is comparatively ripe.Polysilicon P-Si, the good stability of monocrystalline silicon m-Si material all is a low bandgap material, frequency response characteristic is good in the line absorption of 800-900nm band of light.Amorphous silicon a-Si is a wide bandgap material, and optical band gap is 1.7eV, and material itself is insensitive to the Long wavelength region of solar radiation spectrum, and the convert light electrical efficiency of non-crystal silicon solar cell is low.Be subjected to photic decline S-W effects, the battery performance instability.Be standard cell if demarcate in actual use with amorphous silicon a-Si solar cell, because the effect of photo attenuation, the working point is easy to drift about, the internal resistance height that needs frequent frequency demarcating amorphous silicon a-Si solar cell (hereinafter to be referred as amorphous silicon solar cell), frequency response speed is low, monocrystalline silicon m-Si solar cell and polysilicon P-Si solar cell (hereinafter to be referred as crystal-silicon solar cell) internal resistance are low comparatively speaking, and the frequency response speed ratio is very fast.Be to use the flash type light source of multiexposure, multiple exposure in the technology according to test m-Si and P-Si battery component, can not form high temperature, with the test value of each exposure, will form final I-V test value is smooth I-V curve.If with this testing of equipment amorphous silicon solar cell assembly,, make test number inaccurate because flashing rate is too fast.Along with the structure improvement of non-crystal silicon solar cell knot and the progress of technology, can improve and improve the stability and the influence that reduces photic decline of battery.As to adopt laminated cell structure, lamination solar cell be to make by deposit one or more P-i-n layer battery again on p, i, the n layer unijunction solar cell of preparation.It is organized a performance the material section of different energy gaps together, has improved the response range of spectrum; The i layer of top battery is thinner, and the electric field strength that illumination produces changes little, guarantees that the photo-generated carrier in the i layer is extracted out; The charge carrier that end battery produces is about half of monocell, and photic attenuating effect reduces.Although the non-crystal silicon solar cell stability has had very big improvement, its stability also can not show a candle to crystalline silicon.According to the requirement of standard solar cell, at first require stable performance as normal component, but until now, do not see the relevant patent documentation or the product of relevant amorphous silicon sun standard cell yet.Invention disclosed patent ZL02143761.5 " optical coloured glass and application thereof and optical cutoff filter " hope occurs having brought for the amorphous silicon standard solar cell.Its related technology is, produces a kind of transparent optical coloured glass, and it has the light cutoff filter piece performance, and its absorption spectrum end is between 390-850nm.Utilize this class coloured glass to prepare this class coloured glass sharp cut-off filter simultaneously.
The utility model content
The purpose of this utility model is, integrate prior art and adopt the crystal silicon cell sheet to add coloured glass filter, filtering 800-900nm wave band absorbs the 500-600nm wave band, it is stable to design battery performance, can simulate the standard solar cell that non-crystal silicon solar cell spectrum rings peak value.
Another purpose of the present utility model is, uses standard solar cells of the present utility model, and to do mass ratio right for the non-crystal silicon solar cell product.
For the task of realizing that above utility model proposes, preparation amorphous silicon standard solar cells, at least select two crystalline silicon solar cell pieces, the substrate and the shell that also comprise the support crystalline silicon solar cell piece, laying solar cell glued membrane EVA on the sensitive surface of battery sheet successively is the battery component that ethylene-vinyl acetate copolymer and colour glass filter constitute, this assembly intensification lamination is solidified into one, is encapsulated in the object.
According to the made standard solar cell of the utility model, said battery component, comprise by 4 single crystal silicon solar cell sheets and be connected into one group, the substrate (printed circuit board (PCB)) that also comprises said filter, solar cell glued membrane EVA and band extraction electrode, by the laminating machine individual components that lamination forms of heating, do not encapsulate and can make standard solar cell.The shady face of printed circuit board (PCB) and battery pack is that insulation is fitted, and also presss from both sides one deck EVA glued membrane between its contact-making surface.Select cyanic colours glass series to do filter, on the battery pack sensitive surface, lay one deck EVA glued membrane, preferably select QB21 cyanic colours glass to do filter.Said battery component comprises the EVA adhesive film by gummed between glass filter, monocrystalline silicon battery group, printed circuit board (PCB) and layer and the layer, 135 ℃ of temperature, and lamination is cured as one, and the solar cell of light receiving window that places it in a shell is indoor, encapsulates.
According to the made standard solar cell of the utility model, the light receiving window visual angle of said standard cell casing frame is not less than 160 ° at least, and promptly the plane angle that is made of unit crystalline silicon solar cell piece and filter is not less than 160 ° at least.
The utility model standard solar cell sees Table 1 through calibration test, uses stable state solar simulator standard set-up, calibration temperature: 25 ℃, and standard spectrum: AM1.5, irradiance: 1000W/M
2In the 500-600nm section, relative spectral response is average more than 0.96 in the amorphous silicon battery spectral response peak wavelength in simulation.The crystal-silicon solar cell peak in the spectral response is in wavelength 800-900nm section, and relative spectral response is zero, has realized the sharp cut-off filter effect.
According to the made standard solar cell of the utility model, be applied to the amorphous silicon battery product quality and detect, usefulness compares.Take out at random amorphous silicon battery several pieces, under the simulated solar light box, measure the current value i=17.4 milliampere of amorphous silicon standard solar cell, K is a correction factor, K=standard cell calibration value/i, then K=36.9/17.4=2.21 and one group of data form 2 of every battery comprise: open circuit voltage, short circuit current, crest voltage and electric current, load resistance.
Description of drawings
Fig. 1, be the utility model solar cell and filter sensitive surface schematic diagram.
Fig. 2, be the utility model standard solar cell structural principle schematic diagram.
Fig. 3, being the utility model single battery group encapsulation schematic diagram, also is most preferred embodiment figure of the present utility model.
Fig. 4, be the structure chart of shell 6 among Fig. 3.
Fig. 5, be the utility model equal-energy spectrum Response Distribution curve.
Fig. 6, be the i.e. table 1 of data of corresponding diagram 5 equal-energy spectrum Response Distribution curves.
Fig. 7, be to use the utility model standard solar cell resolution chart under the irradiation of simulated solar light box.Fig. 8, be the tables of data 2 that Fig. 7 tests.
See Fig. 1-2, dotted line is represented the incident light normal among Fig. 1, and the standard cell structure is that filter 1, EVA solar cell glued membrane 2, battery sheet 3, EVA solar cell glued membrane 2, substrate 4 bonding coats press solidly and turn to one.Fig. 3-the 4th, the utility model standard cell, single battery encapsulation.Filter 1, EVA solar cell glued membrane 2, battery sheet 3, EVA solar cell glued membrane 2, substrate 4 bonding coats press solidly body, be installed in battery chamber's light receiving window 6 of shell 6, the 7th, go out wire casing, for ease of two electrodes on the installation base plate and lead-out wire, open two circular holes 8 on the shell bottom plate and go out wire casing 7.Substrate 4 is placed on the battery chamber of shell 6, coheres with silicone adhesive.Cell substrates 4 and shell 6 adhesive gluing.
Embodiment
See that Fig. 3 is an embodiment of the present utility model, it is single battery encapsulating structure schematic diagram, frame of broken lines is represented the battery chamber, be subjected to optical window 5, the 6th, the shell of battery is made by PP material polypropylene plastics, on guest who is not a relative's battery chamber base plate, have out wire casing and location hole, be convenient to regulate substrate 4 and installing and locating hole, make the center of sunlight or solar simulator light beam and battery table upper thread in the standard-required scope.As most preferred embodiment of the present utility model, be not less than 160 ° at least according to the overlapping visual angle of light receiving window and battery chamber, calculate 4 element cell sheets and form one group 2, each element cell sheet 45mm * 10mm.All post one deck EVA ethylene-vinyl acetate copolymer on the sensitive surface of battery sheet and shady face, respectively with colour glass filter and baseplate-laminating, last laminating machine laminating solidifies.The EVA ethylene-vinyl acetate copolymer is a kind of quick bonding glued membrane, 135 ℃ of laminating temperatures, and lamination 20min curing time, EVA becomes orderly reticular membrane, and is anti-reflection.Play encapsulation and protection battery, light transmittance reaches more than 90%.
Fig. 7, be application implementation illustration of the present utility model.
Arrow is represented the simulated solar light box among the figure, the light that sends.Under the simulated solar light box, measure the current value i=17.4 milliampere of amorphous silicon standard solar cell, K is a correction factor, K=standard cell calibration value/i, then K=36.9/17.4=2.21 and one group of data form 2 of every battery comprise: open circuit voltage, short circuit current, crest voltage and electric current, load resistance.P
1Be the power of measuring under the simulated solar light box
P
1＝Iop·Vop
P is through the revised actual power of amorphous silicon standard solar cell
P=KP
1(at 25 ℃, AM1.5,1000W/m
2).
As seen select coloured the optical glass cyanic colours series, particularly ultramarine glass QB21 can be crystalline silicon frequency response peak value visible light 800-900nm filtering.The utility model is through a large amount of screenings, and of obtaining combination utility model also is one and uses utility model.In current state, use stable state solar simulator standard set-up at 25 ℃, AM1.5,1000W/m
2Condition, the current value that application crystalline silicon simulation amorphous silicon battery is tested under this light source has corresponding relation.The another kind of occupation mode of standard cell, saidly be connected into one group with the standard solar cell that does not add encapsulation is promptly above, comprise that substrate (printed circuit board (PCB)) lamination of filter, solar cell glued membrane EVA and band extraction electrode forms individual components by 4 single crystal silicon solar cell sheets.
Claims (10)
1, a kind of amorphous silicon standard solar cell, it is characterized in that selecting at least two crystalline silicon solar cell pieces to do standard solar cells, the substrate and the shell that also comprise the support crystalline silicon solar cell piece, on the sensitive surface of battery sheet, lay solar cell glued membrane EVA ethylene-vinyl acetate copolymer and colour glass filter successively, the battery component that constitutes, this assembly intensification lamination is solidified into one, encapsulation.
2, a kind of amorphous silicon standard solar cell according to claim 1, it is characterized in that said battery component, comprise by 4 single crystal silicon solar cell sheets and be connected into one group, the base printed circuit board that also comprises said filter, solar cell glued membrane EVA and band extraction electrode is by the laminating machine standard solar cell that lamination forms of heating.
3, a kind of amorphous silicon standard solar cell according to claim 2 is characterized in that comprising and selects blue tinted glass to do filter, lays one deck EVA glued membrane on the battery pack sensitive surface.
4, according to claim 1 or 3 described a kind of amorphous silicon standard solar cells, it is characterized in that said colour light filter glass select ultramarine glass series or wherein QB21 cyanic colours glass do filter.
5, a kind of amorphous silicon standard solar cell according to claim 1 and 2, it is characterized in that said battery component comprises the EVA adhesive film by gummed between glass filter, monocrystalline silicon battery group, printed circuit board (PCB) and layer and the layer, heat 135 ℃, and lamination is cured as one, the solar cell of light receiving window that places it in a band shell is indoor, encapsulation.
6, a kind of amorphous silicon standard solar cell according to claim 1 is characterized in that the light receiving window visual angle of said standard cell shell is not less than 160 ° at least.
7, a kind of amorphous silicon standard solar cell according to claim 1 is characterized in that also comprising that the plane angle that unit crystalline silicon solar cell piece and filter constitute is not less than 160 ° at least.
8, a kind of amorphous silicon standard solar cell according to claim 4 is characterized in that said filter, is spectrum peak value of response wavelength 500-600nm section, and relative spectral response is at the QB21 cyanic colours glass more than 0.96.
9, a kind of amorphous silicon standard solar cell according to claim 1 is characterized in that said standard solar cell, be peak in the spectral response in wavelength 800-900nm section, relative spectral response is zero crystal-silicon solar cell.
10, a kind of amorphous silicon standard solar cell according to claim 1, it is characterized in that having out wire casing and location hole on the bottom, said battery case battery chamber, be convenient to regulate substrate (4) and installing and locating hole, make the center of sunlight or solar simulator light beam and battery table upper thread in the standard-required scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420083016 CN2762353Y (en) | 2004-08-15 | 2004-08-15 | Amorphous silicon standard solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420083016 CN2762353Y (en) | 2004-08-15 | 2004-08-15 | Amorphous silicon standard solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2762353Y true CN2762353Y (en) | 2006-03-01 |
Family
ID=36095470
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420083016 Expired - Lifetime CN2762353Y (en) | 2004-08-15 | 2004-08-15 | Amorphous silicon standard solar cell |
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| Country | Link |
|---|---|
| CN (1) | CN2762353Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100364117C (en) * | 2004-08-15 | 2008-01-23 | 李毅 | Non crystal silicon standard solar cell |
| CN102569467A (en) * | 2012-03-13 | 2012-07-11 | 北京东方雨虹防水技术股份有限公司 | Self-adhesion modularized crystalline silicon solar cell component |
| CN107240622A (en) * | 2017-06-08 | 2017-10-10 | 合肥华盖光伏科技有限公司 | A kind of self-adhering-type crystal silicon solar battery component packaging technology |
-
2004
- 2004-08-15 CN CN 200420083016 patent/CN2762353Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100364117C (en) * | 2004-08-15 | 2008-01-23 | 李毅 | Non crystal silicon standard solar cell |
| CN102569467A (en) * | 2012-03-13 | 2012-07-11 | 北京东方雨虹防水技术股份有限公司 | Self-adhesion modularized crystalline silicon solar cell component |
| CN102569467B (en) * | 2012-03-13 | 2015-08-12 | 北京东方雨虹防水技术股份有限公司 | The modular crystal silicon solar battery component of a kind of self-adhering-type |
| CN107240622A (en) * | 2017-06-08 | 2017-10-10 | 合肥华盖光伏科技有限公司 | A kind of self-adhering-type crystal silicon solar battery component packaging technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chuangyi Science and Technology Development Co., Ltd., Shenzhen City Assignor: Li Yi Contract fulfillment period: 2008.10.4 to 2009.10.4 Contract record no.: 2008440000460 Denomination of utility model: Non crystal silicon standard solar cell Granted publication date: 20060301 License type: exclusive license Record date: 20081208 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.4 TO 2009.10.4; CHANGE OF CONTRACT Name of requester: SHENZHEN CITY CHUANGYI TECHNOLOGY DEVELOPMENT CO., Effective date: 20081208 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090227 Address after: East Block 5, building 2, three optical fiber residential area, Bagua Road, Shenzhen, Guangdong, Futian District, China: 518029 Patentee after: Chuangyi Science and Technology Development Co., Ltd., Shenzhen City Address before: Futian District Huaqiang south before the village of Shenzhen city in Guangdong province No. 29 building 24 room 504, zip code: 518031 Patentee before: Li Yi |
|
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN CITY CHUANGYI TECHNOLOGY DEVELOPMENT CO., Free format text: FORMER OWNER: LI YI Effective date: 20090227 |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140815 Granted publication date: 20060301 |