CN202259339U - Thin-film solar cell with high light transmission property and double-side power generation function - Google Patents
Thin-film solar cell with high light transmission property and double-side power generation function Download PDFInfo
- Publication number
- CN202259339U CN202259339U CN2011203729941U CN201120372994U CN202259339U CN 202259339 U CN202259339 U CN 202259339U CN 2011203729941 U CN2011203729941 U CN 2011203729941U CN 201120372994 U CN201120372994 U CN 201120372994U CN 202259339 U CN202259339 U CN 202259339U
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- Prior art keywords
- thin
- film solar
- solar cell
- printing opacity
- light transmission
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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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
- Y02E10/52—PV systems with concentrators
Abstract
The utility model relates to a thin-film solar cell with a high light transmission property and a double-side power generation function, belonging to the technical field of photovoltaic application. The technical scheme is characterized in that: a front transparent insulated substrate (1), a front transparent conductive electrode layer (2), a photoelectric conversion layer (3), a back conductive electrode layer (4), a packaging film layer (5), and a back transparent insulated substrate (6) are arranged in order; the solar cell is divided into a cell area and a light transmission area through a laser scribing process; the cell area can be divided into a plurality of sub cell structures which are connected in series through three laser scribing processes; and the light transmission area is provided with a plurality of light transmission straight lines which are formed through the laser scribing processes and perpendicular to the sub cells. The thin-film solar cell of the utility model can always have the power generation property no matter outside lights irradiate on a right side or a back side of the thin-film solar cell; under the light irradiation of AM (Air Mass) 1.5, a power generating efficiency of the back side of the thin-film solar cell is not lower than 60% of a power generating efficiency of the right side of the thin-film solar cell; and under the indoor light irradiation, the power generating efficiency of the back side of the thin-film solar cell is also not lower than 60% of the power generating efficiency of the right side of the thin-film solar cell.
Description
Technical field
The utility model relates to a kind of thin-film solar cells with high printing opacity and front-back two-sided electricity generate function, belongs to the photovoltaic application technical field.
Background technology
At present, BIPV (BIPV) building is most advanced, the most potential high-tech green energy conservation building, also is the important directions of utilizing photovoltaic technology at present in the world on a large scale.BIPV is meant that the enclosed structure outer surface that the solar energy power generating square formation is installed in building provides electric power.Owing to combine the not occupying volume outer ground space of photovoltaic arrays, be the best mounting means of photovoltaic generating system extensive use in the city, thereby receive much attention with building.The BIPV system is mainly the integrated of photovoltaic module and building, and promptly photovoltaic module occurs with a kind of form of construction material, as photoelectricity tile roof, photoelectric curtain wall and photoelectricity daylighting top etc., have generating, heat insulation, shelter from heat or light and multiple function such as antiultraviolet.Make Thinfilm solar cell assembly replace the glass curtain wall that generally uses in the current building; Battery component must have certain transmittancy; And the photoelectric conversion layer light transmission in the background technology thin-film solar cells a little less than; And hull cell can adopt back reflection layer to improve the photoelectric conversion efficiency of battery usually, and back reflection layer also can't printing opacity, causes common thin-film solar cells not possess transmittancy.
The utility model content
The utility model purpose provides a kind of thin-film solar cells with high printing opacity and front-back two-sided electricity generate function, and tool high light transmittance ability has front-back two-sided electricity generate function simultaneously, solves the problems referred to above that background technology exists.
The technical scheme of the utility model is:
A kind of thin-film solar cells with high printing opacity and front-back two-sided electricity generate function; Comprise the preceding transparent insulation substrate of arranging successively, preceding transparency conductive electrode layer, photoelectric conversion layer, back of the body conductive electrode layer, encapsulation rete, back of the body transparent insulation substrate; Draw to carve through laser and be divided into cell area and transmission region; Cell area is drawn the sub-battery structure that can be divided into a plurality of polyphones through three laser, and its special feature is: said transmission region is provided with many printing opacity straight lines perpendicular to sub-battery that form through the laser portrayal.
Photoelectricity conversion coating, back of the body transparency conductive electrode layer are removed in said printing opacity straight-line pass, and transparent conductive film is realized light transmission before only staying, and transparency conducting layer, photoelectric conversion layer and back of the body transparency conducting layer reach translucent effect before perhaps removing simultaneously.Simultaneously, the size of adjusting transmission region through the live width and the density that change the printing opacity straight line, and then change the light transmittance of assembly, make the different translucent effect of assembly realization.
The territory area of said transparent area accounts for the 5%-40% of the solar cell gross area; The width of printing opacity straight line is 100 μ m-1000 μ m; Distance between centers of tracks between the printing opacity straight line is 100 μ m-25mm.
Hull cell is main with silica-based series thin film battery, also comprises the hull cell of other types etc. simultaneously.
The beneficial effect of the utility model: the utility model realize high light transmittance can in, no matter extraneous light is when to carry out front irradiation still be reverse side irradiation to thin-film solar cells, thin-film solar cells all has power generation performance; Under AM1.5 photoirradiation condition, thin-film solar cells reverse side generating efficiency is not less than 60% of positive generating efficiency, and under the indoor light radiation parameter, thin-film solar cells reverse side generating efficiency is not less than 60% of positive generating efficiency.
Description of drawings
Fig. 1 is the utility model embodiment user mode sketch map;
Fig. 2 is the P1/P2/P3 generalized section of the utility model embodiment;
Fig. 3 is the utility model embodiment P4 generalized section;
Fig. 4 is another P4 generalized section of the utility model embodiment;
Among the figure: preceding transparent insulation substrate 1, preceding transparency conductive electrode layer 2, photoelectric conversion layer 3, back of the body conductive electrode layer 4, encapsulation rete 5, back of the body transparent insulation substrate 6, for the first time laser draw carve 7, for the second time laser draw carve 8, for the third time laser draw carve 9, the 4th laser draw carve 10, another kind of P4 laser draws mode 11 at quarter.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further through embodiment.
A kind of thin-film solar cells with high printing opacity and front-back two-sided electricity generate function; Comprise preceding transparent insulation substrate 1, preceding transparency conductive electrode layer 2, photoelectric conversion layer 3, back of the body conductive electrode layer 4, encapsulation rete 5, the back of the body transparent insulation substrate 6 of arranging successively; Draw to carve through laser and be divided into cell area and transmission region; Cell area is drawn the sub-battery structure that can be divided into a plurality of polyphones through three laser, and its special feature is: said transmission region is provided with many printing opacity straight lines perpendicular to sub-battery that form through the laser portrayal.
Present embodiment is an example with silica-based series thin film battery.
Adopt ultra-white float glass as preceding transparent insulation substrate 1, utilize the technology of low-pressure chemical vapor deposition or magnetron sputtering technique before above-mentioned, to deposit preceding transparency conductive electrode layer 2 above the transparent insulation substrate 1, be used as the preceding conductive electrode of battery; The laser that utilizes 355nm or 1064nm carries out first time laser to preceding transparency conductive electrode layer 2 and draws that to carve 7 be P1, realizes the insulation between the zonule, and utilizes above-mentioned laser to carve carrying out drawing of P1 insulated wire around the assembly edge; Using plasma enhancing chemical vapor deposition method prepares the amorphous silicon semiconductor rete as photoelectric conversion layer 3 above the transparency conductive electrode layer before above-mentioned.The laser that utilizes 532nm carries out second time laser to photoelectric conversion layer and draws that to carve 8 be P2, realizes cutting apart of each sub-battery.On above-mentioned photoelectric conversion layer, adopt low-pressure chemical vapor deposition technology or magnetron sputtering technique growth back of the body transparent conductive film, as the back of the body conductive electrode layer 4 of solar cell.The laser that utilizes 532nm carries out for the third time laser to photoelectric conversion layer 3, back of the body conductive electrode layer 4 and draws that to carve 9 be P3; Realize the series connection of each sub-battery; And utilize above-mentioned laser on the position of P1 insulated wire, to carry out drawing of P3 insulated wire and carve, guaranteed the cell area of assembly and the insulation property at assembly edge.Utilizing the laser of 532nm on the direction of vertical sub-battery, to remove photoelectric conversion layer 3, back of the body transparent conductive film 4 carries out the 4th laser and draws that to carve 10 be P4; Transparency conductive electrode layer 2, photoelectric conversion layer 3, back of the body conductive electrode layer 4 carry out another kind of P4 laser and draw mode 11 at quarter before perhaps removing; And, realize the different translucent effects of assembly through live width that changes P4 and the light transmittance that distance between centers of tracks is adjusted battery.Utilize laser or the insulation sand-blasting machine of 1064nm to remove preceding transparency conductive electrode layer 2, photoelectric conversion layer 3, back of the body conductive electrode layer 4, realize the insulation of assembly.Adopt PVB or EVA as encapsulating rete 5, toughened glass as back of the body transparent insulation substrate 6, utilize laminating technology to realize the encapsulation of assembly, accomplish the preparation of Thinfilm solar cell assembly, this assembly possesses the dual-use function of high printing opacity and front-back two-sided generating simultaneously.
Claims (3)
1. thin-film solar cells with high printing opacity and front-back two-sided electricity generate function; Comprise preceding transparent insulation substrate (1), preceding transparency conductive electrode layer (2), photoelectric conversion layer (3), back of the body conductive electrode layer (4), encapsulation rete (5), the back of the body transparent insulation substrate (6) of arranging successively; Draw to carve through laser and be divided into cell area and transmission region; Cell area is drawn the sub-battery structure that can be divided into a plurality of polyphones through three laser, it is characterized in that: said transmission region is provided with many printing opacity straight lines perpendicular to sub-battery that form through the laser portrayal.
2. the thin-film solar cells with high printing opacity and front-back two-sided electricity generate function according to claim 1 is characterized in that the territory area of said transparent area accounts for the 5%-40% of the solar cell gross area.
3. according to claim 1 or 2 said thin-film solar cells with high printing opacity and front-back two-sided electricity generate function, the width that it is characterized in that the printing opacity straight line is 100 μ m-1000 μ m; Distance between centers of tracks between the printing opacity straight line is 100 μ m-25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203729941U CN202259339U (en) | 2011-10-08 | 2011-10-08 | Thin-film solar cell with high light transmission property and double-side power generation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203729941U CN202259339U (en) | 2011-10-08 | 2011-10-08 | Thin-film solar cell with high light transmission property and double-side power generation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202259339U true CN202259339U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203729941U Expired - Fee Related CN202259339U (en) | 2011-10-08 | 2011-10-08 | Thin-film solar cell with high light transmission property and double-side power generation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202259339U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588561A (en) * | 2017-08-03 | 2018-01-16 | 苏州绿标新能源科技有限公司 | A kind of new type solar energy hot water apparatus |
| CN114944435A (en) * | 2022-05-17 | 2022-08-26 | 河南宸亚商业运营管理有限公司 | Light-transmitting double-sided power generation thin-film solar module and preparation process thereof |
-
2011
- 2011-10-08 CN CN2011203729941U patent/CN202259339U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588561A (en) * | 2017-08-03 | 2018-01-16 | 苏州绿标新能源科技有限公司 | A kind of new type solar energy hot water apparatus |
| CN114944435A (en) * | 2022-05-17 | 2022-08-26 | 河南宸亚商业运营管理有限公司 | Light-transmitting double-sided power generation thin-film solar module and preparation process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20141008 |
|
| EXPY | Termination of patent right or utility model |