CN103779446A - Method for improving positioning accuracy of active area of concentrating photovoltaic cell - Google Patents
Method for improving positioning accuracy of active area of concentrating photovoltaic cell Download PDFInfo
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- CN103779446A CN103779446A CN201410047613.0A CN201410047613A CN103779446A CN 103779446 A CN103779446 A CN 103779446A CN 201410047613 A CN201410047613 A CN 201410047613A CN 103779446 A CN103779446 A CN 103779446A
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- Prior art keywords
- photovoltaic cell
- copper
- heat
- concentrating photovoltaic
- etching
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- 238000000034 method Methods 0.000 title claims abstract description 31
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000002002 slurry Substances 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 239000011889 copper foil Substances 0.000 claims abstract description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052737 gold Inorganic materials 0.000 claims abstract description 5
- 239000010931 gold Substances 0.000 claims abstract description 5
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 5
- 238000007650 screen-printing Methods 0.000 claims abstract description 5
- 238000007254 oxidation reaction Methods 0.000 claims abstract 2
- 238000005530 etching Methods 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000009833 condensation Methods 0.000 claims description 10
- 230000005494 condensation Effects 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 7
- 239000006071 cream Substances 0.000 claims description 7
- 229920002120 photoresistant polymer Polymers 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims description 2
- 238000001259 photo etching Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000001039 wet etching Methods 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract 2
- 230000001070 adhesive effect Effects 0.000 abstract 2
- 230000001112 coagulating effect Effects 0.000 abstract 1
- 229910000679 solder Inorganic materials 0.000 abstract 1
- 241001424688 Enceliopsis Species 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 241000218202 Coptis Species 0.000 description 1
- 235000002991 Coptis groenlandica Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/02002—Arrangements for conducting electric current to or from the device in operations
- H01L31/02005—Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier
- H01L31/02008—Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier for solar cells or solar cell modules
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- 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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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to a method for improving the positioning accuracy of the active area of a concentrating photovoltaic cell and belongs to the technical field of solar power generation. The method includes the steps that a plurality of etch trenches are etched in a copper-clad substrate; then, a piece of copper foil is coated with a nickel layer and a gold layer, and solder paste or heat-conducting and electricity-conducting coagulating slurry or a heat-conducting and electricity-conducting adhesive is deposited or applied into a cell region by means of a silk-screen printing plate or in an adhesive dispensing mode; finally, the photovoltaic cell is placed into the cell region with the coating material, dried and solidified. The structure and the method are simple, a circuit board is protected against oxidization, the photovoltaic cell is more accurately positioned due to the design of the circuit substrate, it is ensured that convergent sunlight is completely received, and therefore the effects of improving generated power and reducing generating cost can be achieved.
Description
Technical field
The present invention relates to a kind of photovoltaic generation parts, be specifically related to a kind of method that strengthens concentrating photovoltaic cell slice effective area positioning precision, belong to solar energy generation technology field.
Background technology
In recent years, light gathering photovoltaic power generating system enters popular sight line as a kind of emerging photovoltaic system, because it has that higher conversion efficiency, cost of electricity-generating are low, environmental protection and the advantage such as investment of production equipment is little, be acknowledged as the most promising big-and-middle-sized photovoltaic power generation technology in future, also do not have up till now a kind of product of practical application to occur, exploitation and the real application research of therefore accelerating light gathering photovoltaic power generating system are imperative.
The principal benefits that concentration photovoltaic solar energy electricity generation system is looked for is on concentrating photovoltaic cell slice, to obtain the high density sunray that converges from lens.
Concentrating photovoltaic cell slice coagulates slurry by tin cream or heat-conductivity conducting or heat-conductivity conducting glue is fixed on photoelectric conversion receiver circuit board, thus, due to the error forming in position components design error and assembling process, easily occur that the light that optical element converges can not focus on concentrating photovoltaic cell slice completely and come into operation after a period of time, the expanded by heating coefficient difference that parts material difference causes, cause the problems such as the position of concentrating photovoltaic cell slice changes, cause and promote difficulty and increase.
Summary of the invention
The object of this invention is to provide a kind of method that strengthens concentrating photovoltaic cell slice effective area positioning precision, the method is to overcome the deficiencies in the prior art, realize circuit board sunray not oxidized and that reception is converged completely on concentrating photovoltaic cell slice, thereby improve photovoltaic cell capable of generating power efficiency and generated output, reduce cost of electricity-generating.
In order to realize above-mentioned technical purpose, the present invention has following process and step:
A) will be positioned at etching multiple tracks etching tank on the copper-clad base plate of condensation photovoltaic photoelectric conversion receiver circuit board top, the method for etching etching tank is as follows: (1) is first cleaned copper-clad base plate; (2) on Copper Foil, coat photoresist; (3) copper-clad base plate is placed in to mask aligner, uses and paint plate with the light of straight line and broken line etch pattern and aim at and carry out photoetching; (4) after the copper-clad base plate after exposure is developed, bath dries, then firmly treatment; (5) copper-clad base plate is placed in to etching machine and carries out dry method or wet etching; (6) processing of then copper-clad base plate after etching being removed photoresist;
B) be divided on two-part Copper Foil at the above-mentioned copper-clad base plate groove that is corroded, be taken up in order of priority and apply nickel dam and gold layer, just formed condensation photovoltaic photoelectric conversion receiver circuit board;
C), in the concentrating photovoltaic cell slice region of above-mentioned condensation photovoltaic photoelectric conversion receiver circuit board, deposit or apply this cell piece region by screen printing screens or some glue mode with the solidifying slurry of tin cream or heat-conductivity conducting or heat-conductivity conducting glue;
D) condensation photovoltaic battery is aimed in the cell area being positioned over the condensation photovoltaic photoelectric conversion receiver circuit board of coating material; And adopt stoving process that coating material is solidified, reach the seamless bonding of photovoltaic cell and circuit board.
Advantage of the present invention and good effect are: 1. each layer of circuit base material combines dexterously, and having realized whole circuit board can heatproof reach 120 ℃, and protective circuit plate is not oxidized simultaneously; Photovoltaic cell is more accurately located in the design of 2 circuit substrates, guarantees to receive completely the sunray of party, thereby reaches raising generated output, reduces cost of electricity-generating.
Accompanying drawing explanation
Fig. 1 is the method vertical view that strengthens concentrating photovoltaic cell slice effective area positioning precision.
Fig. 2 is the method side view that strengthens concentrating photovoltaic cell slice effective area positioning precision.
Wherein: 1, circuit substrate, 2, concentration photovoltaic solar energy cell piece, 3, position baseline, 4, etching tank, 5, positive polar region, 6, negative pole district, 7, battery position baseline, 1a, gold layer, 1b, nickel dam, 1c, copper layer, 1d ceramic material layer.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
A kind of method that strengthens concentrating photovoltaic cell slice effective area positioning precision, as shown in Figure 1 and 2, on circuit substrate 1, be equipped with concentration photovoltaic solar energy battery section 2, position baseline 3 and battery position baseline 7, circuit substrate 1 groove 4 that is corroded is divided into positive polar region 5 and negative pole district 6, each layer of 1a of ceramic circuit board material, 1b, 1c, between 1d, combine cleverly, can protective circuit plate not oxidized, be conducive to the firm binding of gold thread or aluminum steel and the seamless welding of concentration photovoltaic solar energy cell piece, realize whole circuit board simultaneously and can heatproof reach 120 ℃, etching multiple tracks etching tank 4 on copper-clad base plate, the width of etching tank 4 is 0.5 ~ 5mm, maximize the area of positive polar region 5 as far as possible, be convenient to improve the heat transfer property of system, in order to guarantee to receive the sunray converging to completely, the size the same as photovoltaic cell plate shape designing in shape at the welding region 2 of welding photovoltaic cell, its error is in 0.1mm, employing silk screen printing or some glue mode are by tin cream or heat-conductivity conducting coagulates slurry or heat-conductivity conducting glue is coated on concentrating photovoltaic cell slice 2 regions, be as the criterion with cell piece position baseline 7, the position baseline 3 of another opposite side of battery is as the criterion, concentrating photovoltaic cell slice is fixed in photovoltaic cell panel region 2.
Structure of the present invention and method are simple, and not only protective circuit plate is not oxidized, and the design of circuit substrate more accurately locates photovoltaic cell, guarantee to receive completely the sunray of party, thereby reach raising generated output, reduce cost of electricity-generating.
Claims (7)
1. strengthen a method for concentrating photovoltaic cell slice effective area positioning precision, it is characterized in that thering is following process and step:
A) will be positioned at etching multiple tracks etching tank on the copper-clad base plate of condensation photovoltaic photoelectric conversion receiver circuit board top, the method for etching etching tank is as follows: (1) is first cleaned copper-clad base plate; (2) on Copper Foil, coat photoresist; (3) copper-clad base plate is placed in to mask aligner, uses and paint plate with the light of straight line and broken line etch pattern and aim at and carry out photoetching; (4) after the copper-clad base plate after exposure is developed, bath dries, then firmly treatment; (5) copper-clad base plate is placed in to etching machine and carries out dry method or wet etching; (6) processing of then copper-clad base plate after etching being removed photoresist;
B) be divided on two-part Copper Foil at the above-mentioned copper-clad base plate groove that is corroded, be taken up in order of priority and apply nickel dam and gold layer, just formed condensation photovoltaic photoelectric conversion receiver circuit board;
C), in the concentrating photovoltaic cell slice region of above-mentioned condensation photovoltaic photoelectric conversion receiver circuit board, deposit or apply this cell piece region by screen printing screens or some glue mode with the solidifying slurry of tin cream or heat-conductivity conducting or heat-conductivity conducting glue;
D) condensation photovoltaic battery is aimed in the cell area being positioned over the condensation photovoltaic photoelectric conversion receiver circuit board of coating material; And adopt stoving process that coating material is solidified, reach the seamless bonding of photovoltaic cell and circuit board.
2. the method for the limited area positioning precision of a kind of concentrating photovoltaic cell slice according to claim 1, is characterized in that, it comprise a kind of together or the etching process of many channel groove.
3. a kind of method that strengthens concentrating photovoltaic cell slice effective area positioning precision according to claim 1, is characterized in that, described circuit substrate is the one in ceramic circuit board and aluminium base.
4. a kind of method that strengthens concentrating photovoltaic cell slice effective area positioning precision according to claim 1, is characterized in that, described in cover nickel dam and not only can prevent the oxidation of Copper Foil, and can also improve the more firm of copper layer and the combination of gold layer.
5. a kind of method that strengthens concentrating photovoltaic cell slice effective area positioning precision according to claim 1, is characterized in that, the solidifying slurry of described coating tin cream or heat-conductivity conducting or heat-conductivity conducting gluing method are silk screen printing or dispensing method.
6. a kind of method that strengthens concentrating photovoltaic cell slice effective area positioning precision according to claim 1, is characterized in that, is applying the solidifying slurry of tin cream or heat-conductivity conducting or heat-conductivity conducting glue employing datum line accurate contraposition.
7. a kind of method that strengthens concentrating photovoltaic cell slice effective area positioning precision according to claim 1, it is characterized in that, the solidifying slurry of described coating tin cream or heat-conductivity conducting or heat-conductivity conducting glue have minimum thermal resistance, fabulous heat conduction and conductivity, even thickness and in 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410047613.0A CN103779446A (en) | 2014-02-11 | 2014-02-11 | Method for improving positioning accuracy of active area of concentrating photovoltaic cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410047613.0A CN103779446A (en) | 2014-02-11 | 2014-02-11 | Method for improving positioning accuracy of active area of concentrating photovoltaic cell |
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| Publication Number | Publication Date |
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| CN103779446A true CN103779446A (en) | 2014-05-07 |
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|---|---|---|---|
| CN201410047613.0A Pending CN103779446A (en) | 2014-02-11 | 2014-02-11 | Method for improving positioning accuracy of active area of concentrating photovoltaic cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405922A (en) * | 2015-11-01 | 2016-03-16 | 成都聚合科技有限公司 | Method for binding chip onto concentrating photovoltaic photoelectric conversion receiver |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101238587A (en) * | 2005-07-29 | 2008-08-06 | 弗劳恩霍弗实用研究促进协会 | Solar cell module and method for its production |
| CN102623566A (en) * | 2012-04-07 | 2012-08-01 | 成都聚合科技有限公司 | Method for enhancing active area positioning accuracy of concentrating photovoltaic cell |
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2014
- 2014-02-11 CN CN201410047613.0A patent/CN103779446A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101238587A (en) * | 2005-07-29 | 2008-08-06 | 弗劳恩霍弗实用研究促进协会 | Solar cell module and method for its production |
| CN102623566A (en) * | 2012-04-07 | 2012-08-01 | 成都聚合科技有限公司 | Method for enhancing active area positioning accuracy of concentrating photovoltaic cell |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405922A (en) * | 2015-11-01 | 2016-03-16 | 成都聚合科技有限公司 | Method for binding chip onto concentrating photovoltaic photoelectric conversion receiver |
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Application publication date: 20140507 |