CN103236448A - Back contact battery photovoltaic assembly and production method thereof - Google Patents
Back contact battery photovoltaic assembly and production method thereof Download PDFInfo
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- CN103236448A CN103236448A CN2013101636819A CN201310163681A CN103236448A CN 103236448 A CN103236448 A CN 103236448A CN 2013101636819 A CN2013101636819 A CN 2013101636819A CN 201310163681 A CN201310163681 A CN 201310163681A CN 103236448 A CN103236448 A CN 103236448A
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- photovoltaic assembly
- eva
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- cell photovoltaic
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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
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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
- 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 discloses a back contact battery photovoltaic assembly and a production method thereof. The production method of the back contact battery photovoltaic assembly comprises the following steps of coating assembling of conductive slurry, to be specific, dispensing the conductive slurry onto contact points of a battery piece; perforating back plate surface ethylene vinyl-acetate copolymer (EVA) by aligning to the contact points, and placing the back plate surface EVA onto a conductive back plate; and placing a combination body of the back plate surface EVA and the conductive back plate onto the battery piece. According to the back contact battery photovoltaic assembly and the production method thereof, the application of conductive material can be saved, and the production cost of enterprises can be reduced.
Description
Technical field
The present invention relates to technical field of solar batteries, in particular to a kind of back of the body contact cell photovoltaic assembly and preparation method thereof.
Background technology
Conventional solar module is by welding the welding of battery sheet to be together in series, adopt the mode of glass+EVA+ battery sheet+EVA+ backboard or glass to encapsulate then, the both positive and negative polarity of back of the body contact battery is all at the back side of battery, the metal conducting layer that to carry on the back contact battery sheet and conductive backings by electrocondution slurry is realized bonding and is together in series the formation loop.
In the technology of existing making back of the body contact cell photovoltaic assembly, needing the assembly that assembles heated after having placed glass melts EVA, and conductive backings is bonded on the photovoltaic module that assembles, in order to before carrying out lamination, assembly overturn lamination again, this is that glass must be in the bottom when lamination because of existing layer press structure limiter assembly.Will there be following shortcoming like this:
(1) electrocondution slurry is to brush above the battery sheet, and loss is bigger;
(2) the upset operation may cause latent splitting to the assembly that assembles.
Summary of the invention
The present invention aims to provide a kind of back of the body contact cell photovoltaic assembly and preparation method thereof, to solve the excessive problem of electrocondution slurry waste in the prior art.
To achieve these goals, according to an aspect of the present invention, a kind of manufacture method of carrying on the back contact cell photovoltaic assembly is provided, has comprised electrocondution slurry brushing installation step, electrocondution slurry brushing installation step is as follows: S1: electrocondution slurry is put on the contact point of battery sheet; S2: backboard face EVA is aimed at the contact point punching and be placed on the conductive backings; S3: the assembly of backboard face EVA and conductive backings is placed on the battery sheet.
Further, also comprised pre-treatment step before the step of S1, pre-treatment step comprises, glass plate, glass face EVA and battery sheet are placed on the positioner of machine.
Further, the step that glass plate, glass face EVA and battery sheet is placed on the positioner of machine comprises: glass plate is placed on the positioner of machine; EVA is placed on the glass plate with the glass face; Battery sheet front is placed on the glass face EVA towards glass plate.
Further, the step of S2 comprises, uses point gum machine electrocondution slurry to be put on the contact point at the back side of battery sheet.
Further, the step of S3 comprises, the one side with backboard face EVA of assembly is placed on the battery sheet.
Further, the step of S3 also comprises, contact point is aimed in the hole that punching forms in the step of S2 of backboard face EVA, and contact point is positioned at this hole of backboard face EVA, and gapped between this hole of backboard face EVA and the contact point.
Further, also comprise post-processing step after the step of S3, post-processing step comprises: the assembly that assembles is carried out preheating; The assembly good to preheating carries out lamination; The assembly good to lamination frames up.
Further, glass plate is armorplate glass.
According to a further aspect in the invention, provide a kind of back of the body contact cell photovoltaic assembly, back of the body contact cell photovoltaic assembly is made by the manufacture method of above-mentioned back of the body contact cell photovoltaic assembly.
Use technical scheme of the present invention, the manufacture method of back of the body contact cell photovoltaic assembly comprises electrocondution slurry brushing installation step, and electrocondution slurry brushing installation step is as follows: electrocondution slurry is put on the contact point of battery sheet; Backboard face EVA is aimed at the contact point punching and be placed on the conductive backings; The assembly of backboard face EVA and conductive backings is placed on the battery sheet.Manufacture method according to back of the body contact cell photovoltaic assembly of the present invention, electrocondution slurry is that directly point is located on the contact point of battery sheet, backboard face EVA is aimed at the contact point punching, cover after the conductive backings, the back of the body contact cell photovoltaic assembly that forms can be located at electrocondution slurry conduction on the contact point of battery sheet by point, so just avoided electrocondution slurry brush on the battery sheet and a large amount of wastes of the electrocondution slurry that causes reduce the production cost of enterprise.
Description of drawings
The accompanying drawing that constitutes a part of the present invention is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not constitute improper restriction of the present invention.In the accompanying drawings:
Fig. 1 shows the flow chart according to the manufacture method of back of the body contact cell photovoltaic assembly of the present invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Terminological interpretation:
Back of the body contact battery: a kind of solar cell of new construction is that the back of the body contacts the positive and negative electrode of photovoltaic cell all at the cell back face with the difference of existing solar cell.
Conductive backings: be used for a kind of encapsulating material of back contact solar cell assembly, one deck conductive metal layer is arranged in this conductive backings, the back contact solar cell sheet is realized series connection by the metal level in the backboard, thereby plays electric action.
EVA: a kind of encapsulating material of solar module.
Electrocondution slurry: be used for connecting conductive backings and contact the cell photovoltaic assembly with the back of the body, make it form the glue in good conductive loop.
According to embodiments of the invention, the manufacture method of back of the body contact cell photovoltaic assembly comprises electrocondution slurry brushing installation step, and electrocondution slurry brushing installation step is as follows: electrocondution slurry is put on the contact point of battery sheet; Backboard face EVA is aimed at the contact point punching and be placed on the conductive backings; The assembly of backboard face EVA and conductive backings is placed on the battery sheet.Manufacture method according to back of the body contact cell photovoltaic assembly of the present invention, electrocondution slurry is that directly point is located on the contact point of battery sheet, backboard face EVA is aimed at the contact point punching, cover after the conductive backings, the back of the body contact cell photovoltaic assembly that forms can be located at electrocondution slurry conduction on the contact point of battery sheet by point, so just avoided electrocondution slurry brush on the battery sheet and a large amount of wastes of the electrocondution slurry that causes reduce the production cost of enterprise.
The concrete steps of the manufacture method of the back of the body contact cell photovoltaic assembly of present embodiment are as follows:
Pre-treatment step, this pre-treatment step comprise glass plate, glass face EVA and battery sheet are placed on the positioner of machine.Concrete operation is that glass plate is placed on the positioner of machine; EVA is placed on the glass plate with the glass face; Battery sheet front is placed on the glass face EVA towards glass plate.Preferably, glass plate is armorplate glass, and the glass plate behind the tempering has the effect of good support and antidetonation, can improve the useful life of back of the body contact cell photovoltaic assembly.
After pre-treatment step, also comprise electrocondution slurry brushing installation step, electrocondution slurry brushing installation step is as follows: electrocondution slurry is put on the contact point of battery sheet, in this process, adopt point gum machine electrocondution slurry to be put on the contact point at the back side of battery sheet, can accurately the electrocondution slurry point be set on the contact point of cell back face like this, effectively avoid the waste of electrocondution slurry, further reduce the production cost of enterprise.Point has been established after the electrocondution slurry, backboard face EVA is aimed at contact point again and punches and be placed on the conductive backings; Assembly with backboard face EVA and conductive backings is placed on the battery sheet then, when placing assembly, the one side with backboard face EVA of assembly should be placed on the battery sheet.
Preferably, when being placed on the assembly of backboard face EVA and conductive backings on the battery sheet, contact point is aimed in the hole of backboard face EVA, and gapped between the hole of backboard face EVA and the contact point, that is to say that contact point is positioned at the hole of backboard face EVA and does not contact with this hole.Can prevent that like this electrocondution slurry from contacting with the inwall in the hole of backboard face EVA.
According to present embodiment, also comprise post-processing step after being placed on the assembly of backboard face EVA and conductive backings on the battery sheet, this post-processing step comprises: the assembly that assembles is carried out preheating; The assembly good to preheating carries out lamination; The assembly good to lamination frames up, and obtains back of the body contact cell photovoltaic assembly at last.
In above-mentioned manufacturing process, at first be that glass plate is placed on the positioner on the machine, and then carry out follow-up treatment step step by step, in the manufacturing process of present embodiment, do not need to handle through upset, thereby avoided the generation of the latent phenomenon of splitting that the upset operation brings assembly.
According to another embodiment of the present invention, provide a kind of back of the body contact cell photovoltaic assembly, back of the body contact cell photovoltaic assembly is made by the manufacture method of above-mentioned back of the body contact cell photovoltaic assembly.The backboard face EVA that this back of the body contact cell photovoltaic assembly comprises the battery sheet and is arranged on the cell back face, the contact point of cell back face is arranged in the hole of backboard face EVA, and the electrocondution slurry point of back of the body contact cell photovoltaic assembly is located on the contact point of cell back face.The back of the body of present embodiment contact cell photovoltaic assembly can be located at electrocondution slurry conduction on the contact point of battery sheet by point, has so just avoided the electrocondution slurry brush on the battery sheet and a large amount of wastes of the electrocondution slurry that causes reduce the production cost of enterprise.
According to a kind of exemplary embodiments of the present invention, the manufacture method of this back of the body contact cell photovoltaic assembly specifically may further comprise the steps:
1, placing toughened glass: armorplate glass is finished according to the placement of the positioner on the machine.
2, place glass face EVA: glass face EVA is placed according to the positioner on the machine finish.
3, place the battery sheet: battery sheet front is put towards glass face position according to the rules.
4, electrocondution slurry is put on the contact point of cell back face: use point gum machine that the electrocondution slurry point is set to the position of stipulating on the battery sheet.
5, backboard face EVA punches and is placed into above the conductive backings: backboard face EVA correspondence the electrocondution slurry position punch, the position that guarantees the hole of EVA when EVA is on be placed on backboard does not just in time contact with the position coincidence of electrocondution slurry point glue and the two, the backboard face EVA that has openning hole is placed on the conductive backings again.
6, conductive backings and backboard face EVA are placed on the battery sheet: backboard face EVA and conductive backings are placed on the battery sheet according to sequencing.
7, with conductive backings and backboard face EVA preheating: carry out preheating for the assembly that assembles, it is bonding that backboard face EVA and conductive backings are carried out, and backboard face EVA has certain adhesive property simultaneously.
8, lamination: encapsulate laying the assembly of finishing, make the EVA fusing with package assembling.
9, frame up: the assembly that lamination is finished is assembled frame.
From above description, as can be seen, the above embodiments of the present invention have realized following technique effect: according to the manufacture method of back of the body contact cell photovoltaic assembly of the present invention, electrocondution slurry is that directly point is located on the contact point of battery sheet, backboard face EVA is aimed at the contact point punching, cover after the conductive backings, the back of the body contact cell photovoltaic assembly that forms can be located at electrocondution slurry conduction on the contact point of battery sheet by point, so just avoided electrocondution slurry brush on the battery sheet and a large amount of wastes of the electrocondution slurry that causes reduce the production cost of enterprise.In addition, the present invention removes the upset operation, has reduced the flip module of automation equipment, has reduced the early investment of equipment, has improved efficiency of equipment.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a manufacture method of carrying on the back contact cell photovoltaic assembly comprises electrocondution slurry brushing installation step, it is characterized in that described electrocondution slurry brushing installation step is as follows:
S1: electrocondution slurry is put on the contact point of battery sheet;
S2: backboard face EVA is aimed at the punching of described contact point and be placed on the conductive backings;
S3: the assembly of described backboard face EVA and described conductive backings is placed on the described battery sheet.
2. the back of the body according to claim 1 contacts the manufacture method of cell photovoltaic assembly, it is characterized in that, also comprised pre-treatment step before the step of described S1, described pre-treatment step comprises, glass plate, glass face EVA and described battery sheet are placed on the positioner of machine.
3. the manufacture method of the back of the body according to claim 2 contact cell photovoltaic assembly is characterized in that, the step that described glass plate, described glass face EVA and described battery sheet is placed on the positioner of machine comprises:
Described glass plate is placed on the positioner of described machine;
Described glass face EVA is placed on the described glass plate;
Described battery sheet front is placed on the described glass face EVA towards described glass plate.
4. the manufacture method of the back of the body according to claim 1 contact cell photovoltaic assembly is characterized in that, the step of described S2 comprises, uses point gum machine described electrocondution slurry to be put on the described contact point at the back side of described battery sheet.
5. the manufacture method of the back of the body according to claim 1 contact cell photovoltaic assembly is characterized in that, the step of described S3 comprises, the one side of the described backboard face of having of described assembly EVA is placed on the described battery sheet.
6. the back of the body according to claim 5 contacts the manufacture method of cell photovoltaic assembly, it is characterized in that, the step of described S3 also comprises, described contact point is aimed in the hole that punching forms in the step of described S2 of described backboard face EVA, and described contact point is positioned at this hole of described backboard face EVA, and gapped between this hole of described backboard face EVA and the described contact point.
7. according to the manufacture method of each described back of the body contact cell photovoltaic assembly in the claim 1 to 6, it is characterized in that also comprise post-processing step after the step of described S3, described post-processing step comprises:
The assembly that assembles is carried out preheating;
The assembly good to preheating carries out lamination;
The assembly good to lamination frames up.
8. the manufacture method of back of the body contact cell photovoltaic assembly according to claim 2 is characterized in that described glass plate is armorplate glass.
9. a back of the body contact cell photovoltaic assembly is characterized in that, described back of the body contact cell photovoltaic assembly is made by the manufacture method of each described back of the body contact cell photovoltaic assembly in the claim 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101636819A CN103236448A (en) | 2013-05-02 | 2013-05-02 | Back contact battery photovoltaic assembly and production method thereof |
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| CN2013101636819A CN103236448A (en) | 2013-05-02 | 2013-05-02 | Back contact battery photovoltaic assembly and production method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560154A (en) * | 2013-11-14 | 2014-02-05 | 英利集团有限公司 | Back-contact solar cell assembly |
| CN105355751A (en) * | 2015-10-16 | 2016-02-24 | 英利集团有限公司 | MWT solar cell and preparation method thereof |
| CN105489704A (en) * | 2015-12-23 | 2016-04-13 | 英利集团有限公司 | Preparation method of back-contact photovoltaic module |
| CN106169509A (en) * | 2016-08-22 | 2016-11-30 | 四川英发太阳能科技有限公司 | A kind of Novel back contact cell apparatus being beneficial to encapsulation |
| CN106206777A (en) * | 2016-08-22 | 2016-12-07 | 四川英发太阳能科技有限公司 | A kind of low cost, the back contact battery of large-scale production |
| CN110416338A (en) * | 2019-07-03 | 2019-11-05 | 杭州中为光电技术有限公司 | The production method of back contact solar cell component |
| CN110416330A (en) * | 2019-07-03 | 2019-11-05 | 杭州中为光电技术有限公司 | A kind of production method of back contact solar cell component |
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| CN102217095A (en) * | 2008-09-05 | 2011-10-12 | 索兰太阳能控股有限公司 | Method of monolithic photo-voltaic module assembly |
| CN202443994U (en) * | 2012-01-19 | 2012-09-19 | 英利能源（中国）有限公司 | Solar energy back contact type battery pack packaging fixture |
| US20130081674A1 (en) * | 2011-09-29 | 2013-04-04 | Jin Hyoun Joe | Solar cell module |
| CN103066151A (en) * | 2012-11-30 | 2013-04-24 | 宫昌萌 | Manufacturing method of back-contacted solar cell bunches |
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- 2013-05-02 CN CN2013101636819A patent/CN103236448A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102217095A (en) * | 2008-09-05 | 2011-10-12 | 索兰太阳能控股有限公司 | Method of monolithic photo-voltaic module assembly |
| US20130081674A1 (en) * | 2011-09-29 | 2013-04-04 | Jin Hyoun Joe | Solar cell module |
| CN202443994U (en) * | 2012-01-19 | 2012-09-19 | 英利能源（中国）有限公司 | Solar energy back contact type battery pack packaging fixture |
| CN103066151A (en) * | 2012-11-30 | 2013-04-24 | 宫昌萌 | Manufacturing method of back-contacted solar cell bunches |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560154A (en) * | 2013-11-14 | 2014-02-05 | 英利集团有限公司 | Back-contact solar cell assembly |
| CN105355751A (en) * | 2015-10-16 | 2016-02-24 | 英利集团有限公司 | MWT solar cell and preparation method thereof |
| CN105355751B (en) * | 2015-10-16 | 2018-09-07 | 英利集团有限公司 | MWT solar cells and preparation method thereof |
| CN105489704A (en) * | 2015-12-23 | 2016-04-13 | 英利集团有限公司 | Preparation method of back-contact photovoltaic module |
| CN106169509A (en) * | 2016-08-22 | 2016-11-30 | 四川英发太阳能科技有限公司 | A kind of Novel back contact cell apparatus being beneficial to encapsulation |
| CN106206777A (en) * | 2016-08-22 | 2016-12-07 | 四川英发太阳能科技有限公司 | A kind of low cost, the back contact battery of large-scale production |
| CN110416338A (en) * | 2019-07-03 | 2019-11-05 | 杭州中为光电技术有限公司 | The production method of back contact solar cell component |
| CN110416330A (en) * | 2019-07-03 | 2019-11-05 | 杭州中为光电技术有限公司 | A kind of production method of back contact solar cell component |
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Application publication date: 20130807 |