CN101976693B - Structure of ultra-thin crystal-silicon solar battery pack and packaging method thereof - Google Patents
Structure of ultra-thin crystal-silicon solar battery pack and packaging method thereof Download PDFInfo
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- CN101976693B CN101976693B CN2010102761649A CN201010276164A CN101976693B CN 101976693 B CN101976693 B CN 101976693B CN 2010102761649 A CN2010102761649 A CN 2010102761649A CN 201010276164 A CN201010276164 A CN 201010276164A CN 101976693 B CN101976693 B CN 101976693B
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- glued membrane
- eva glued
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- backboard
- strengthening rib
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- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 34
- 239000010703 silicon Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004806 packaging method and process Methods 0.000 title abstract 2
- 238000012856 packing Methods 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims description 52
- 238000005728 strengthening Methods 0.000 claims description 52
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 31
- 239000013078 crystal Substances 0.000 claims description 30
- 238000012360 testing method Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 239000002313 adhesive film Substances 0.000 abstract 3
- 230000003014 reinforcing effect Effects 0.000 abstract 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- 229920000965 Duroplast Polymers 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention provides a structure of an ultra-thin crystal-silicon solar battery pack, comprising a back plate; the back plate is provided with an EVA adhesive film in a laying manner; solar battery plates are arranged in the EVA adhesive film at intervals and are connected by photovoltaic welding strips; and the EVA adhesive film is provided with a surface cover plate in a laying manner. The reinforcing rib strips are individual components laid between the back plate and the surface plate. The structure of the invention is characterized in that reinforcing rib strips are arranged between the back plate and the surface cover and in interval regions among the solar battery plates. The invention also provides a packaging method of the structure. As the reinforcing rib strips are laid on the structure, the back plate and the surface plate can be prepared by lighter materials, but the whole structure strength can not be reduced. The structure of the ultra-thin crystal-silicon solar battery pack and the packing method of thereof of the invention not only can be applied in construction of photovoltaic power stations, and have larger advantages and application prospects in the field of photovoltaic application products, especially the field of portable photovoltaic power supplies.
Description
Technical field
The invention belongs to the solar cell manufacture field, relate in particular to a kind of structure and method for packing thereof of ultra-thin solar battery assembly.
Background technology
Traditional fuel energy reduces day by day, and the harm that environment is caused becomes increasingly conspicuous, and the whole world also has 2,000,000,000 people to can not get normal energy supply simultaneously.In this time, the whole world has all been invested regenerative resource to sight, wishes that regenerative resource can change human energy resource structure, keeps long-range sustainable development.Solar energy forms the focus of paying attention to into people with its exclusive advantage among this.Abundant solar radiant energy is the important energy, is the energy inexhaustible, nexhaustible, pollution-free, cheap, that the mankind can freely utilize.How must be converted into the governable energy with solar energy is effective, be that present various countries expert is making great efforts the problem studied.
Utilizing solar cell that solar energy is converted to electric energy is the common method that develops at present solar energy.Present the most widely used solar cell is ultra-thin crystal silicon solar (comprising polysilicon and monocrystalline silicon) battery, and reason is that one crystal silicon solar energy battery technology is the most ripe, and it two is that element silicon content in the earth's crust is very abundant.Crystalline silicon material is prepared into also to be needed to be packaged into solar module after the solar battery sheet and just can use.In order to save the use silicon materials, solar cell has been thinned to about 200 microns at present, also at past thinner future development, this is so that solar cell in use is more prone to break, and therefore encapsulating material and the technique for assembly has proposed higher requirement.
At present common ultra-thin crystal silicon solar batteries assembly basic structure schematic diagram as shown in Figure 1; solar battery sheet 2 interconnects by photovoltaic welding belt 3; EVA glued membrane 4 is as binding agent fixed solar cell piece 2 and protection is provided; assembly surface is surface cap 1 (being generally the high printing opacity toughened glass of ultrawhite), and total is supported by backboard 5.As shown in Figure 3, solar battery sheet 2 is the array arrangement spaced reciprocally.
The method for packing of making at present the ultra-thin crystal silicon solar batteries assembly of said structure is:
Sorting-solar battery sheet list weldering series welding-backboard lays EVA glued membrane-stacked solar cell sheet-lay EVA glued membrane-lay surface cap-lamination-cut edge-frame up-test
Can find out by the analysis to structural representation, breaking for fear of solar module often needs the surface cap of thicker backboard 5 and glass material 1 to support, this so that the weight of whole assembly greatly increase, this has also brought several disadvantageous results simultaneously, the one, the cost of whole assembly increases greatly, the 2nd, the weight of assembly increases so that its application scenario greatly reduces, particularly some portable electrical power applications fields.If attenuate backboard 5 and surface cap 1 can cause again the problem of modular construction strength decreased when carrying out ultra-thin crystal silicon solar batteries component package.
Summary of the invention
The invention provides a kind of structure of ultra-thin crystal silicon solar batteries assembly, its purpose is to overcome the shortcoming of prior art, and the ultra-thin crystal silicon solar batteries assembly that a kind of intensity is higher, thickness is thinner, weight is lighter is provided.
Another object of the present invention provides a kind of method for packing of making above-mentioned ultra-thin crystal silicon solar batteries assembly.
For achieving the above object, technical scheme of the present invention is:
A kind of ultra-thin crystal silicon solar batteries assembly, it comprises backboard, be laid with the EVA glued membrane on the backboard, be arranged with spaced reciprocally solar battery sheet in the EVA glued membrane, solar battery sheet interconnects with photovoltaic welding belt, is laid with surface cap on the EVA glued membrane, it is characterized in that: be provided with strengthening rib strip between backboard and surface cap, strengthening rib strip is located in the interval region between the solar battery sheet, and wherein strengthening rib strip is the individual components between backboard and the surface cap of being laid in.
Above-mentioned strengthening rib strip can be located between backboard and the EVA glued membrane or be located between surface cap and the EVA glued membrane or be located in the EVA glued membrane.
The method for packing of above-mentioned a kind of ultra-thin crystal silicon solar batteries assembly, it comprises the steps:
Sorting-solar battery sheet list weldering series welding-backboard lays EVA glued membrane-stacked solar cell sheet-lay EVA glued membrane-lay surface cap-lamination-cut edge-frame up-test;
It is characterized in that:
Before backboard lays the EVA glued membrane, lay strengthening rib strip at backboard, and make method for packing be: lay strengthening rib strip-backboard on sorting-solar battery sheet list weldering series welding-backboard and lay EVA glued membrane-stacked solar cell sheet-lay EVA glued membrane-lay surface cap-lamination-cut edge-frame up-test;
Or
Lay strengthening rib strip at the EVA glued membrane after backboard lays the EVA glued membrane, before the stacked solar cell sheet, and make method for packing be: sorting-solar battery sheet list weldering series welding-backboard lays and lays strengthening rib strip-stacked solar cell sheet-lay EVA glued membrane-lay surface cap-lamination-cut edge-frame up-test on EVA glued membrane-EVA glued membrane;
Or
Lay strengthening rib strip at the EVA glued membrane after the stacked solar cell sheet, before laying the EVA glued membrane, and make method for packing be: sorting-solar battery sheet list weldering series welding-backboard lays and lays strengthening rib strip-lay EVA glued membrane-lay surface cap-lamination-cut edge-frame up-test on EVA glued membrane-stacked solar cell sheet-EVA glued membrane;
Or
Lay strengthening rib strip at the EVA glued membrane after laying the EVA glued membrane, before laying surface cap, and make method for packing be: sorting-solar battery sheet list weldering series welding-backboard lays EVA glued membrane-stacked solar cell sheet-lay and lays strengthening rib strip-lay surface cap-lamination-cut edge-frame up-test on EVA glued membrane-EVA glued membrane.
The invention has the beneficial effects as follows:
Owing to laid strengthening rib strip, backboard can adopt thinner and lighter aluminium alloy plate, pcb board, acrylic board, TPE etc., and surface cap can adopt thinner and lighter glass plate, transparent acrylic, PET film etc. equally and can not reduce overall construction intensity.By enforcement of the present invention, the crystal silicon solar batteries component thickness reduces more than 1/2, and the weight of assembly then alleviates more than 2/3, and the production cost of component package also can reduce more than 50%.This ultra-thin crystal silicon solar batteries assembly not only can be applied in the construction of photo-voltaic power generation station, the photovoltaic application product scope particularly the Portable photovoltaic field of power supplies have larger advantage and application prospect.
Description of drawings
Fig. 1 is the ultra-thin crystal silicon solar batteries modular construction of the present invention schematic diagram;
Fig. 2 is the A section enlarged drawing of Fig. 1;
Fig. 3 is the same view of the B of Fig. 1;
Fig. 4 is the C section enlarged drawing of Fig. 3.
Embodiment
The present invention in the assembly manufacturing process flow, increased lay strengthening rib strip processing step, other steps are the same with conventional assembly manufacturing process flow, have good practicality and compatibility.
It can be a kind of in glass, stainless steel, alloy aluminium, the duroplasts increasing the strengthening rib strip material that lays in ultra-thin crystal silicon solar batteries component package, can select as the case may be.
In ultra-thin crystal silicon solar batteries component package, increase the strengthening rib strip that the strengthening rib strip that lays can only lay a kind of material, also can lay the strengthening rib strip of two or more material.
The quantity of the strengthening rib strip that lays in the ultra-thin crystal silicon solar batteries component package can be one or more of; When in assembly, laying many strengthening rib strips between each structure rib can be parallel also can be uneven; The strengthening rib strip length of laying in assembly can run through whole assembly, also can be shorter than the assembly length of side.
Owing to laid strengthening rib strip, base plate can adopt thinner and lighter aluminium alloy plate, pcb board, acrylic board, TPE etc., and surface cap can adopt thinner and lighter glass plate, transparent acrylic, PET film etc. equally.
More than these diversified selections can be selected as the case may be when the specific design by the designer.
Embodiment 1:
Use following steps to carry out ultra-thin crystal silicon solar batteries component package:
Lay strengthening rib strip-backboard on sorting-solar battery sheet list weldering series welding-backboard and lay EVA glued membrane-stacked solar cell sheet-lay EVA glued membrane-lay surface cap-lamination-cut edge-frame up-test.
And obtain the ultra-thin crystal silicon solar batteries assembly of structure shown in Fig. 1,2,3,4, it comprises backboard 5, be laid with EVA glued membrane 4 on the backboard 5, be arranged with spaced reciprocally solar battery sheet 2 in the EVA glued membrane 4, solar battery sheet 2 interconnects with photovoltaic welding belt 3, be laid with surface cap 1 on the EVA glued membrane 4, between the EVA glued membrane 4 that backboard 5 and backboard 5 lay, be provided with strengthening rib strip 6, and strengthening rib strip 6 is located in the interval region between the solar battery sheet 2, also is that strengthening rib strip 6 can not cover in solar battery sheet 2.
Embodiment 2:
Use following steps to carry out ultra-thin crystal silicon solar batteries component package:
Sorting-solar battery sheet list weldering series welding-backboard lays and lays strengthening rib strip-stacked solar cell sheet-lay EVA glued membrane-lay surface cap-lamination-cut edge-frame up-test on EVA glued membrane-EVA glued membrane.
And obtain the ultra-thin crystal silicon solar batteries assembly of structure shown in Fig. 1,2,3,4, it comprises backboard 5, be laid with EVA glued membrane 4 on the backboard 5, be arranged with spaced reciprocally solar battery sheet 2 in the EVA glued membrane 4, solar battery sheet 2 interconnects with photovoltaic welding belt 3, be laid with surface cap 1 on the EVA glued membrane 4, within the EVA glued membrane 4 that backboard 5 lays, be laid with strengthening rib strip 6, and strengthening rib strip 6 is located in the interval region between the solar battery sheet 2, also is that strengthening rib strip 6 can not cover in solar battery sheet 2.
Embodiment 3:
Use following steps to carry out ultra-thin crystal silicon solar batteries component package:
Sorting-solar battery sheet list weldering series welding-backboard lays and lays strengthening rib strip-lay EVA glued membrane-lay surface cap-lamination-cut edge-frame up-test on EVA glued membrane-stacked solar cell sheet-EVA glued membrane.
And obtain the ultra-thin crystal silicon solar batteries assembly of structure shown in Fig. 1,2,3,4, it comprises backboard 5, be laid with EVA glued membrane 4 on the backboard 5, be arranged with spaced reciprocally solar battery sheet 2 in the EVA glued membrane 4, solar battery sheet 2 interconnects with photovoltaic welding belt 3, be laid with surface cap 1 on the EVA glued membrane 4, within the EVA glued membrane 4 that backboard 5 lays, be laid with strengthening rib strip 6, and strengthening rib strip 6 is located in the interval region between the solar battery sheet 2, also is that strengthening rib strip 6 can not cover in solar battery sheet 2.
Embodiment 4:
Use following steps to carry out ultra-thin crystal silicon solar batteries component package:
Sorting-solar battery sheet list weldering series welding-backboard lays EVA glued membrane-stacked solar cell sheet-lay and lays strengthening rib strip-lay surface cap-lamination-cut edge-frame up-test on EVA glued membrane-EVA glued membrane.
And obtain the ultra-thin crystal silicon solar batteries assembly of structure shown in Fig. 1,2,3,4, it comprises backboard 5, be laid with EVA glued membrane 4 on the backboard 5, be arranged with spaced reciprocally solar battery sheet 2 in the EVA glued membrane 4, solar battery sheet 2 interconnects with photovoltaic welding belt 3, be laid with surface cap 1 on the EVA glued membrane 4, between EVA glued membrane 4 and surface cap 1, be laid with strengthening rib strip 6, and strengthening rib strip 6 is located in the interval region between the solar battery sheet 2, also is that strengthening rib strip 6 can not cover in solar battery sheet 2.
Claims (5)
1. ultra-thin crystal silicon solar batteries assembly, it comprises backboard, be laid with the EVA glued membrane on the backboard, be arranged with spaced reciprocally solar battery sheet in the EVA glued membrane, solar battery sheet interconnects with photovoltaic welding belt, is laid with surface cap on the EVA glued membrane, it is characterized in that: be provided with strengthening rib strip between backboard and surface cap, strengthening rib strip is located in the interval region between the solar battery sheet, and wherein strengthening rib strip is the individual components between backboard and the surface cap of being laid in.
2. a kind of ultra-thin crystal silicon solar batteries assembly as claimed in claim 1, it is characterized in that: strengthening rib strip is located between backboard and the EVA glued membrane.
3. a kind of ultra-thin crystal silicon solar batteries assembly as claimed in claim 1, it is characterized in that: strengthening rib strip is located between surface cap and the EVA glued membrane.
4. a kind of ultra-thin crystal silicon solar batteries assembly as claimed in claim 1, it is characterized in that: strengthening rib strip is located in the EVA glued membrane.
5. the method for packing of a kind of ultra-thin crystal silicon solar batteries assembly as claimed in claim 1, it comprises the steps:
Sorting one solar battery sheet list weldering series welding-backboard lays EVA glued membrane-stacked solar cell sheet-lay EVA glued membrane-lay surface cap-lamination-cut edge-frame up-test;
It is characterized in that:
Before backboard lays the EVA glued membrane, lay strengthening rib strip at backboard, and make method for packing be: lay strengthening rib strip-backboard on sorting-solar battery sheet list weldering series welding-backboard and lay EVA glued membrane-stacked solar cell sheet-lay EVA glued membrane-lay surface cap-lamination-cut edge-frame up-test;
Or
Lay strengthening rib strip at the EVA glued membrane after backboard lays the EVA glued membrane, before the stacked solar cell sheet, and make method for packing be: sorting-solar battery sheet list weldering series welding-backboard lays and lays strengthening rib strip-stacked solar cell sheet-lay EVA glued membrane-lay surface cap-lamination-cut edge-frame up-test on EVA glued membrane-EVA glued membrane;
Or
Lay strengthening rib strip at the EVA glued membrane after the stacked solar cell sheet, before laying the EVA glued membrane, and make method for packing be: sorting-solar battery sheet list weldering series welding-backboard lays and lays strengthening rib strip-lay EVA glued membrane-lay surface cap-lamination-cut edge-frame up-test on EVA glued membrane-stacked solar cell sheet-EVA glued membrane;
Or
Lay strengthening rib strip at the EVA glued membrane after laying the EVA glued membrane, before laying surface cap, and make method for packing be: sorting-solar battery sheet list weldering series welding-backboard lays EVA glued membrane-stacked solar cell sheet-lay and lays strengthening rib strip-lay surface cap-lamination-cut edge-frame up-test on EVA glued membrane-EVA glued membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102761649A CN101976693B (en) | 2010-09-03 | 2010-09-03 | Structure of ultra-thin crystal-silicon solar battery pack and packaging method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102761649A CN101976693B (en) | 2010-09-03 | 2010-09-03 | Structure of ultra-thin crystal-silicon solar battery pack and packaging method thereof |
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| CN101976693A CN101976693A (en) | 2011-02-16 |
| CN101976693B true CN101976693B (en) | 2013-04-17 |
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| CN102931257A (en) * | 2011-08-09 | 2013-02-13 | 杜邦太阳能有限公司 | Solar module |
| CN102623554A (en) * | 2012-03-27 | 2012-08-01 | 上饶光电高科技有限公司 | Method for manufacturing solar cell module |
| WO2014099276A1 (en) * | 2012-12-18 | 2014-06-26 | Dow Global Technologies Llc | Reinforcement pv laminate |
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| CN110649113A (en) * | 2018-06-08 | 2020-01-03 | 北京汉能光伏投资有限公司 | Thin film solar cell module and method for making portable power generation panel |
| CN109411557A (en) * | 2018-11-26 | 2019-03-01 | 蒋尧 | A kind of composite material solar panel and preparation method thereof |
| CN111509071A (en) * | 2019-01-30 | 2020-08-07 | 北京汉能光伏投资有限公司 | Solar cell module and preparation method thereof |
| CN112234120B (en) * | 2020-09-04 | 2022-07-01 | 英利能源（中国）有限公司 | PV module laying method |
| CN113042973A (en) * | 2020-11-06 | 2021-06-29 | 安徽大恒能源科技有限公司 | Photovoltaic module welding strip flattening process welding method |
| CN112849784A (en) * | 2021-03-03 | 2021-05-28 | 天合光能股份有限公司 | Method for packaging battery pack and package |
| FR3166030A1 (en) * | 2024-09-05 | 2026-03-06 | Commissariat A L' Energie Atomique Et Aux Energies Alternatives | Photovoltaic module |
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