CN102222711A - Novel silicon base film solar battery and packaging method thereof - Google Patents
Novel silicon base film solar battery and packaging method thereof Download PDFInfo
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- CN102222711A CN102222711A CN2010101483400A CN201010148340A CN102222711A CN 102222711 A CN102222711 A CN 102222711A CN 2010101483400 A CN2010101483400 A CN 2010101483400A CN 201010148340 A CN201010148340 A CN 201010148340A CN 102222711 A CN102222711 A CN 102222711A
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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
Abstract
The invention discloses a packaging method of a novel silicon base film solar battery. The solar battery comprises a front board component, a packaging film, a convergence belt, silica gel films and a piece of backboard glass; the packaging method of the novel silicon base film solar battery comprises the steps of: firstly, depositing a transparent conductive film on a piece of float glass; secondly, depositing a silicon film with Plasma Enhanced Chemical Vapor Deposition technology (PECVD); thirdly, preparing a back electrode with sputtering or chemical vapor deposition technology; fourthly, sputtering or printing a back reflection layer; fifthly, performing insulating treatment at the edge; sixthly, disposing PVB (Polyvinyl Butyral) in the center of the front board component, wherein the length and the width of the PVB are respectively 5-30 mm smaller than the length and the width of a front board, and then paving the silicon gel films on the periphery of the PVB, wherein the thickness of the silicon gel films is the same as that of the PVB, then the whole front board is completely paved by the PVB and the silicon gel films, the silicon gel film at a leading-out part of the convergence belt has double layers, the other silicon gel films have a single layer, and the convergence belt is leaded out from the middle part of the double-layer silicon films; seventhly, covering the backboard glass, and laminating to form the complete component; and eighthly mounting a connecting box. The scheme can more efficiently reduce water vapor to enter the component, thereby improving the reliability of the component and reducing the loss of electrical property of the component.
Description
Technical field
The present invention relates to a kind of novel silicon base thin-film solar cells and method for packing thereof, belong to photovoltaic cell manufacturing field.
Background technology
The method for packing that generally adopts the silicon-based film solar cells assembly at present both at home and abroad is folder whole piece PVB or an EVA encapsulating material between header board and backboard, by laminating technology, header board, encapsulating material and backboard is combined, and forms a slice unbroken layer compressing tablet.There is following shortcoming in this method for packing: 1, the block-water performance of PVB and EVA is not fine, EVA especially, and block-water performance is poorer.Adopt this packaged type, steam can enter assembly from the edge of assembly, reduces the electric property and the reliability of assembly; 2, draw from the assembly side when being with confluxing of assembly, rather than from the backboard of punching when drawing, band is drawn from the assembly edge confluxing, the band that confluxes directly is close to the generating face is arranged, there is not encapsulant to seal between the two, steam is as easy as rolling off a log to enter component internal along the band that confluxes, and causes the assembly electric property to reduce even failure, has a strong impact on the reliability of assembly.Especially when producing the BIPV assembly, the general band that requires to conflux must be drawn the easier the problems referred to above that occur from the side of assembly.
Summary of the invention
Technical problem at above-mentioned existence the objective of the invention is: proposed a kind of steam that can prevent and entered the novel silicon base encapsulating method of thin film solar cell of component internal from encapsulating material or the exit band that confluxes.
Technical solution of the present invention is achieved in that a kind of novel silicon base thin-film solar cells, comprises preceding board component, encapsulating film, the band that confluxes, silica gel film, back-panel glass; Board component before described comprises float glass, transparent conductive film, silicon thin film, back electrode; Board component before described float glass, transparent conductive film, silicon thin film, back electrode superpose successively and form; The size of described encapsulating film is littler than preceding board component, 5-30mm around the board component before four back gauges; Around described encapsulating film, put the identical silica gel film of thickness; The described band exit that confluxes is placed between the two-layer silica gel film, and the silica gel film layers of board component is thin before pressing close to, and the thickness of two-layer silica gel film is with the same with encapsulating film; Described back-panel glass is arranged on the encapsulating film, and its profile is identical with preceding board component.
Preferably, described encapsulating film is PVB or EVA film.
Preferably, the method for packing of described novel silicon base thin-film solar cells:
1), deposit transparent conductive film on float glass;
2), utilize plasma chemical vapor deposition technique (PECVD) depositing silicon film;
3), utilize sputter or chemical vapour deposition technique to prepare back electrode;
4), sputter or printing back reflection layer;
5), edge insulation is handled;
6) put the silica gel sheet of PVB and suitable thickness, successively on preceding board component, the band place of drawing of confluxing is placed in the middle of the two silica gel sheets;
7), cover back-panel glass, and carry out lamination, form complete assemblies;
8), terminal box is installed.
The present invention has following advantage:
1) whole production line does not need to add extra equipment
2) silica gel has the better block-water performance than PVB, EVA, is encapsulated in the establishment edge, can enter component internal by more effective minimizing steam, improves the reliability of assembly and reduces the performance loss of assembly electricity;
3) be encapsulated in to conflux and be with the silica gel of exit, can well seal between band and the preceding glass sheet conducting film face confluxing, blocking-up steam enters component internal from here, the BIPV component package that the band that is more suitable for confluxing must be drawn from side;
4) price of silica gel and PVB or EVA price are suitable, and be perhaps slightly lower, can additionally not increase the cost of raw material of producing assembly;
5) silica gel has than PVB or EVA better weather resistance, improves the unfailing performance of assembly;
6) organic silica gel and PVB or EVA are compatible better, and both adjacent laminations can not make mutual performance reduce, and the assembly better appearance that goes out of lamination.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Fig. 1: the structure chart of novel silicon base thin-film solar cells of the present invention;
Fig. 2: silicon thin-film battery assembly back view;
Wherein: 1, float glass; 2, transparent conductive film; 3, silicon thin film; 4, back electrode; 5, silica gel film; 6, encapsulating film; 7, back-panel glass; 8, the band that confluxes.
Embodiment
Below in conjunction with the drawings and specific embodiments technical solutions according to the invention are elaborated:
As accompanying drawing 1,2 is novel silicon base thin-film solar cells of the present invention, comprise preceding board component, encapsulating film 6, conflux be with 8, silica gel film 5, back-panel glass 7; Board component before described comprises float glass 2, transparent conductive film 2, silicon thin film 3, back electrode 4; Board component before described float glass 1, transparent conductive film 2, silicon thin film 3, back electrode 4 superpose successively and form; The size of described encapsulating film 6 is littler than preceding board component, 5-30mm around the board component before four back gauges; Around described encapsulating film 6, put the identical silica gel film 5 of thickness; Described confluxing is with 8 exits to be placed between the two-layer silica gel film 5, and 5 layers on the silica gel film of board component is thin before pressing close to, and the thickness of two-layer silica gel film is with the same with encapsulating film 6; Described back-panel glass 7 is arranged on the encapsulating film 6, and its profile is identical with preceding board component; Described silicon thin film 6 is PVB or EVA film.
The method for packing of described novel silicon base thin-film solar cells:
1), deposit transparent conductive film on float glass;
2), utilize plasma chemical vapor deposition technique (PECVD) depositing silicon film;
3), utilize sputter or chemical vapour deposition technique to prepare back electrode;
4), sputter or printing back reflection layer;
5), edge insulation is handled;
6) put the silica gel sheet of PVB and suitable thickness, successively on preceding board component, the band place of drawing of confluxing is placed in the middle of the two silica gel sheets;
7), cover back-panel glass, and carry out lamination, form complete assemblies;
8), terminal box is installed.
The present invention has following advantage:
1) whole production line does not need to add extra equipment
2) silica gel has the better block-water performance than PVB, EVA, is encapsulated in the establishment edge, can enter component internal by more effective minimizing steam, improves the reliability of assembly and reduces the performance loss of assembly electricity;
3) be encapsulated in to conflux and be with the silica gel of exit, can well seal between band and the preceding glass sheet conducting film face confluxing, blocking-up steam enters component internal from here, the BIPV component package that the band that is more suitable for confluxing must be drawn from side;
4) price of silica gel and PVB or EVA price are suitable, and be perhaps slightly lower, can additionally not increase the cost of raw material of producing assembly;
5) silica gel has than PVB or EVA better weather resistance, improves the unfailing performance of assembly;
6) organic silica gel and PVB or EVA are compatible better, and both adjacent laminations can not make mutual performance reduce, and the assembly better appearance that goes out of lamination.
The foregoing description only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the personage that is familiar with this technology can understand content of the present invention and is implemented; can not limit protection scope of the present invention with this; all equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (3)
1. novel silicon base thin-film solar cells comprises preceding board component, encapsulating film, the band that confluxes, silica gel film, back-panel glass; It is characterized in that: board component before described comprises float glass, transparent conductive film, silicon thin film, back electrode; Board component before described float glass, transparent conductive film, silicon thin film, back electrode superpose successively and form; The size of described encapsulating film is littler than preceding board component, 5-30mm around the board component before four back gauges; Around described encapsulating film, put the identical silica gel film of thickness; The described band exit that confluxes is placed between the two-layer silica gel film, and the silica gel film layers of board component is thin before pressing close to, and the thickness of two-layer silica gel film is with the same with encapsulating film; Described back-panel glass is arranged on the encapsulating film, and its profile is identical with preceding board component.
2. novel silicon base thin-film solar cells according to claim 1 is characterized in that: described encapsulating film is PVB or EVA film.
3. the method for packing of novel silicon base thin-film solar cells according to claim 1:
1), deposit transparent conductive film on float glass;
2), utilize plasma chemical vapor deposition technique (PECVD) depositing silicon film;
3), utilize sputter or chemical vapour deposition technique to prepare back electrode;
4), sputter or printing back reflection layer;
5), edge insulation is handled;
6) put the silica gel sheet of PVB and suitable thickness, successively on preceding board component, the band place of drawing of confluxing is placed in the middle of the two silica gel sheets;
7), cover back-panel glass, and carry out lamination, form complete assemblies;
8), terminal box is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101483400A CN102222711A (en) | 2010-04-16 | 2010-04-16 | Novel silicon base film solar battery and packaging method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101483400A CN102222711A (en) | 2010-04-16 | 2010-04-16 | Novel silicon base film solar battery and packaging method thereof |
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| Publication Number | Publication Date |
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| CN102222711A true CN102222711A (en) | 2011-10-19 |
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| CN2010101483400A Pending CN102222711A (en) | 2010-04-16 | 2010-04-16 | Novel silicon base film solar battery and packaging method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646757A (en) * | 2012-04-27 | 2012-08-22 | 保定天威薄膜光伏有限公司 | Rework method of thin-film solar cell assembly polyvinyl butyral (PVB) film |
| CN103117318A (en) * | 2013-02-01 | 2013-05-22 | 河南新能光伏有限公司 | Thin film solar cell with pre-pressure structure on surfaces |
| CN104882501A (en) * | 2015-05-15 | 2015-09-02 | 苏州市亘晟涂装工程有限公司 | Solar battery |
| CN109545876A (en) * | 2018-12-03 | 2019-03-29 | 珠海格力电器股份有限公司 | A kind of packaging adhesive film and photovoltaic module |
| CN109713072A (en) * | 2019-01-10 | 2019-05-03 | 晶澳（扬州）太阳能科技有限公司 | A kind of backboard of solar cell module |
| CN110473930A (en) * | 2018-05-08 | 2019-11-19 | 北京汉能光伏投资有限公司 | Power generation mechanism and preparation method thereof, power generator |
-
2010
- 2010-04-16 CN CN2010101483400A patent/CN102222711A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646757A (en) * | 2012-04-27 | 2012-08-22 | 保定天威薄膜光伏有限公司 | Rework method of thin-film solar cell assembly polyvinyl butyral (PVB) film |
| CN103117318A (en) * | 2013-02-01 | 2013-05-22 | 河南新能光伏有限公司 | Thin film solar cell with pre-pressure structure on surfaces |
| CN104882501A (en) * | 2015-05-15 | 2015-09-02 | 苏州市亘晟涂装工程有限公司 | Solar battery |
| CN110473930A (en) * | 2018-05-08 | 2019-11-19 | 北京汉能光伏投资有限公司 | Power generation mechanism and preparation method thereof, power generator |
| CN109545876A (en) * | 2018-12-03 | 2019-03-29 | 珠海格力电器股份有限公司 | A kind of packaging adhesive film and photovoltaic module |
| CN109713072A (en) * | 2019-01-10 | 2019-05-03 | 晶澳（扬州）太阳能科技有限公司 | A kind of backboard of solar cell module |
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Application publication date: 20111019 |