CN101916668B - Dye-sensitized solar battery with sealing structure and preparation method thereof - Google Patents
Dye-sensitized solar battery with sealing structure and preparation method thereof Download PDFInfo
- Publication number
- CN101916668B CN101916668B CN 201010248263 CN201010248263A CN101916668B CN 101916668 B CN101916668 B CN 101916668B CN 201010248263 CN201010248263 CN 201010248263 CN 201010248263 A CN201010248263 A CN 201010248263A CN 101916668 B CN101916668 B CN 101916668B
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- Prior art keywords
- film
- silver
- colored grid
- sarin
- dssc
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- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 title abstract description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000011521 glass Substances 0.000 claims abstract description 29
- 239000003792 electrolyte Substances 0.000 claims abstract description 24
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 229910052709 silver Inorganic materials 0.000 claims abstract description 16
- 239000004332 silver Substances 0.000 claims abstract description 16
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000003292 glue Substances 0.000 claims abstract description 14
- DYAHQFWOVKZOOW-UHFFFAOYSA-N Sarin Chemical compound CC(C)OP(C)(F)=O DYAHQFWOVKZOOW-UHFFFAOYSA-N 0.000 claims description 26
- 238000010276 construction Methods 0.000 claims description 14
- 230000010412 perfusion Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000007731 hot pressing Methods 0.000 claims description 4
- 229910006404 SnO 2 Inorganic materials 0.000 claims description 3
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract 2
- 239000007924 injection Substances 0.000 abstract 2
- 238000012856 packing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 2
- 206010070834 Sensitisation Diseases 0.000 description 1
- 229920003182 Surlyn® Polymers 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
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
- Y02E10/542—Dye sensitized solar cells
-
- 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
- Y02E10/549—Organic PV cells
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- Hybrid Cells (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a dye-sensitized solar battery with a sealing structure, which comprises conducting glass and a platinum electrode substrate, and an electrolyte is filled between the platinum electrode and the conducting glass. The conducting glass is printed with a plurality of silver grids, light anodes smaller than the silver grids are printed inside the silver grids, and the silver grids are coated with at least one layer of film with an injection hole. The film seals the silver grids, the electrolyte is filled between the film and the silver grids, and the platinum electrode substrate covers the film. Moreover, the injection hole is sealed by curing glue. Because of the combination of the film, the silver grids and the platinum electrode substrate in the structure, the probability that the electrolyte corrodes the silver grids and a packing material is reduced, so that the problems of volatilization and leakage of the electrolyte are finally avoided, the stability of the dye-sensitized solar battery is ensured, and the dye-sensitized solar battery has good technical effect. In addition, the invention also discloses a preparation method of the dye-sensitized solar battery.
Description
Technical field
The invention belongs to area of solar cell, relate in particular to a kind of DSSC and preparation method with novel sealing structure.
Background technology
Nervous along with world energy sources, solar energy receives global concern as a kind of energy of cleanliness without any pollution, therefore, solar cell under the demand in epoch, fast development.At present, the industrialization efficient of monocrystaline silicon solar cell has closely reached more than 15%, but the silicon solar cell cost is high, seriously polluted, and the cost of DSSC is low, does not need silicon as raw material, and manufacture craft is simple.
DSSC is meant that the oxide semiconductor film with the dye sensitization porous nanometer structure is a kind of photochemical cell of light anode.Dye-sensitized solar cells mainly is an imitation photosynthesis principle; A kind of novel solar cell of developing; Its main advantage is: abundant raw materials, cost is low, technology is simple relatively, in the large tracts of land suitability for industrialized production, has bigger advantage, and all raw material and production technology all are nontoxic, free of contamination simultaneously; The part material can be reclaimed fully, and the protection human environment is had great importance.
DSSC mainly comprises the light anode, to electrolyte between electrode, the electrode and encapsulating material.DSSC exists electrolyte corrosion silver grid and encapsulating material owing between two electrodes, encapsulating liquid electrolyte, and the problem that the electrolyte volatilization finally occurs and leak.
In addition, in the prior art, because therefore the problem of above-mentioned solar battery structure, causes its encapsulating method that the shortcoming of itself is also arranged.Generally speaking, our encapsulating method of use mainly contains at present: the method for silk screen printing and the method for scraper; And, need on to electrode, hole usually, and in the process of boring, exist glass to be bored broken phenomenon as electrolytical hand-hole, this has caused the rising of cost.In addition, the potting resin of employing receives electrolytical erosion easily and shortens useful life of solar cell, and resin has inhomogenous problem in the process that applies, and resin possibly occur to invade in the light anode, influences the service efficiency of solar cell.
Summary of the invention
The objective of the invention is defective, a kind of DSSC with hermetically-sealed construction that can protect silver-colored grid is provided to the prior art existence.And, the preparation method of this DSSC is also disclosed, taked can make standardization of technology after this kind preparation method, and simplified packaging technology and reduce cost.
In order to reach first goal of the invention of the present invention, the present invention proposes a kind of DSSC with hermetically-sealed construction, its concrete technical scheme is like following description:
A kind of DSSC with hermetically-sealed construction comprises electro-conductive glass and platinum electrode substrate, between platinum electrode and electro-conductive glass, is filled with electrolyte; Be printed with a plurality of silver-colored grid on the said electro-conductive glass; Silver grid inside is printed with the light anode less than silver-colored grid size, also is coated with the film that one deck at least has hand-hole above the said silver-colored grid, and said film is covered in said silver-colored grid; Between said film and said smooth anode, be full of electrolyte; Said platinum electrode substrate covers the top of film, and, solidify glue and seal the hand-hole on the said film.
Further, preferred construction is that said silver-colored grid are square frame shape or circle framework.
Further, preferred construction is that said electro-conductive glass is FTO or TCO or ITO.
Further, preferred construction is that the material of said smooth anode is TiO
2Or ZnO or SnO
2Or In
2O
3
Further, preferred construction is that said film is the sarin film, and the thickness of said film is 25～60 millimeters.
Further, preferred construction is that the width of said hand-hole is 0.5～2 millimeter.
The present invention directly overlays the sarin film on the silver-colored grid, through being heating and curing, silver-colored grid is enclosed in the sarin film.Because silver-colored grid are very thin one deck just, the thickness of sarin film is compared the thickness of silver-colored grid and is wanted thick a lot, and after the heating and melting, the hand-hole on the sarin film can not blocked by silver-colored grid.The present invention protects silver-colored grid and packaged battery through under uniform temperature and pressure, making sarin film self produce physical crosslinking.Taked after this hermetically-sealed construction; Because the combination between film, silver-colored grid and the platinum electrode substrate; Electrolyte is directly contacted with film; Thereby the probability that has reduced electrolyte corrosion silver grid and encapsulating material finally prevents electrolyte volatilization and the problem of leaking, and has guaranteed the stability of DSSC, has better technical effect.
In addition, in order to realize second purpose of the present invention, the present invention proposes a kind of preparation method of DSSC, its concrete technical scheme is like following description:
A kind of preparation method with DSSC of hermetically-sealed construction may further comprise the steps: silver-colored grid are printed in (1) on electro-conductive glass, and in the frame of silver-colored grid, print the light anode less than silver-colored grid; (2) will cover above the silver-colored grid with the identical film of silver-colored grid shape, and on the film square frame, leave hand-hole; And (3) cover the platinum electrode substrate on the film square frame, and suppress, sealed solar ability cell substrates; (4) carry out electrolyte perfusion through hand-hole; (5) solidifying glue seals hand-hole.
Further, preferable methods is, the hot pressing temperature of said film is 100～120 ℃, and the hot pressing pressure of said film is 5～40MPa.
Further, preferable methods is that said curing glue is ultra-violet curing glue.
The present invention, has saved on to electrode and has holed as electrolytical perfusion through on film, reserving hand-hole, reduces the breakage at the process glass of boring.And,, compare silk screen printing and can avoid stopping up half tone because the film ratio is easier to processing and can reaches consistentization; Compare and scrape the skill in using a kitchen knife in cookery, reduce when applying encapsulating material inhomogeneities etc., therefore have better technical effect.
Description of drawings
Through the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of the present invention will become apparent and understand easily.
Fig. 1 is the sketch map of DSSC of the present invention;
Fig. 2 is the sketch map of silver-colored grid on electro-conductive glass of DSSC of the present invention;
Fig. 3 is the sketch map of the cutting rear film of DSSC of the present invention;
Fig. 4 is the film inlet place cross sectional representation of DSSC of the present invention.
The drawing reference numeral explanation:
1-electro-conductive glass 2-silver grid 3-hand-hole 4-film
5-light anode 6-solidifies glue 7-platinum electrode substrate
Embodiment
1,2 and 3 couples of the present invention do further explain below in conjunction with accompanying drawing.
As shown in Figure 1; Showed to Fig. 1 exemplary the DSSC with hermetically-sealed construction of the present invention; It comprises, electro-conductive glass 1 (not shown) and platinum electrode substrate 7, usually; The size of platinum electrode substrate 7 and electro-conductive glass 1 and measure-alike, and can seal and combine; On electro-conductive glass 1, be printed with a plurality of silver-colored grid 2 (not illustrating, referring to Fig. 2), silver-colored grid 2 inside are printed with the light anode 5 less than silver-colored grid 2 sizes; And, on silver-colored grid 2, being coated with the film 4 that one deck has hand-hole 3, film 4 covers on the silver-colored grid 2 and seals silver-colored grid 2; Usually, silver-colored grid mostly 2 are the structures of taking square frame shape or circle frame shape, and corresponding with film 4; And can interosculate and be sealed, and the electrolyte that inside solar energy battery is filled can be full of among the sealed airspace between film 4 and the light anode 5; Usually, in the time of production, after electrolyte is populated; Face seal one deck solidifies glue 6 on the hand-hole 3, and electrolyte is sealed.In addition, cover the top of film 4 with the corresponding platinum electrode substrate 7 of electro-conductive glass 1 size, and combine with electro-conductive glass 1.
Further describe in detail, as shown in Figures 2 and 3.Fig. 2 is the sketch map of silver-colored grid on electro-conductive glass of DSSC of the present invention, and is as shown in the figure, is provided with a plurality of frame type silver grid 2 above the electro-conductive glass 1, at the silver-colored grid 2 inner light anodes of printing less than its size 5.Usually, the material of light anode 5 is chosen TiO
2Or ZnO or SnO
2Or In
2O
3Deng oxide, and electro-conductive glass 1 is chosen FTO or materials such as TCO or ITO.
Fig. 3 is the sketch map of the film of DSSC of the present invention, and as shown in the figure, film 4 is taked the sarin film, and this sarin film (surlyn) is a kind of film that E.I.Du Pont Company produces, and is provided with a hand-hole 3 above the film.Usually, the thickness of film 4 is 25～60 millimeters, and we guarantee that usually the width of hand-hole is 0.5～2 millimeter, in the convenient follow-up encapsulation process this hand-hole can be realized encapsulating preferably.
Fig. 4 is the film inlet place cross sectional representation of DSSC of the present invention, and as shown in the figure, ground floor is an electro-conductive glass 1, and sealing is coated with film 4 on the electro-conductive glass, and film 4 is provided with inlet 3, is coated with platinum electrode substrate 7 on the film 4.
Taked after the said structure; Because the combination between film 4, silver-colored grid 2 and the platinum electrode substrate 7; Thereby the probability that has reduced electrolyte corrosion silver grid 2 and encapsulating material finally prevents electrolyte volatilization and the problem of leaking; Guarantee the stability of DSSC, had better technical effect.
Below, the preparation method with DSSC of hermetically-sealed construction of the present invention is carried out a detailed description.
The principle of silver-colored grid guard method of the present invention: be to be covered on the silver-colored grid, protect silver-colored grid and packaged battery through under uniform temperature and pressure, making sarin film self produce physical crosslinking through the sizeable sarin film of cutting.
Usually, the preparation method of this DSSC of the present invention may further comprise the steps: silver-colored grid are printed in (1) on electro-conductive glass, and in the frame of silver-colored grid, print the light anode 5 less than silver-colored grid; (2) will cover above the silver-colored grid 2 with the identical film 4 of silver-colored grid 2 shapes, and on film 4, leave hand-hole 3; And (3) cover platinum electrode substrate 7 on film 4, and suppress, sealed solar ability cell substrates; (4) carry out electrolyte perfusion through hand-hole 3; (5) solidifying 6 pairs of hand-holes 3 of glue seals.
Following steps come said method is carried out the description of exemplary with a specific embodiment.
At first, before manufacture batteries, the FTO electro-conductive glass is cleaned up and dries, on FTO, print frame type silver grid then, under 500 ℃, heat-treat at last through silk screen printing.Said cleaning method has been conventionally known to one of skill in the art.
Then, in the square frame of silver-colored grid, print the light anode of titanic oxide material, the area of light anode is warming up to 500 ℃ of annealing through multistage then less than the square frame area of silver-colored grid.
Then, the light anode of making at room temperature was positioned in the dyestuff 12 hours, dyestuff is adsorbed on the light anode outer surface.
Then, the cutting size sarin film identical with silver-colored grid with shape is covered on the silver-colored grid, leaves an aperture on the sarin film, as the perfusion electrolyte; Cover the platinum electrode substrate again, use hot press (to suppress under 5～40MPa), accomplish of the sealing of sarin film solar cell in uniform temperature (100～120 ℃) and certain pressure.
Then, the aperture through the sarin film is reserved pours into electrolyte, seals aperture with ultra-violet curing glue then, and irradiation is 40～70 seconds under 20～50 watts uviol lamp, solidifies ultra-violet curing glue and reaches packaged battery.
After above-mentioned steps is accomplished, accomplish preparation to DSSC.
It should be noted that; Above content is to combine concrete execution mode to further explain that the present invention did; Can not assert that embodiment of the present invention only limits to this; Under above-mentioned instruction of the present invention, those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description, and these improve or distortion drops in protection scope of the present invention.It will be understood by those skilled in the art that top specific descriptions just in order to explain the object of the invention, are not to be used to limit the present invention.Protection scope of the present invention is limited claim and equivalent thereof.
Claims (8)
1. the DSSC with hermetically-sealed construction comprises electro-conductive glass and platinum electrode substrate, between platinum electrode and electro-conductive glass, is filled with electrolyte; Be printed with a plurality of silver-colored grid on the said electro-conductive glass; Silver grid inside is printed with the light anode less than silver-colored grid size, it is characterized in that, also is coated with the film that one deck at least has hand-hole above the said silver-colored grid; Said film is that thickness is 25～60 millimeters sarin film; Said sarin film is covered in said silver-colored grid, through being heating and curing, said silver-colored grid is enclosed in the said sarin film; Between said sarin film and said smooth anode, be full of electrolyte, said platinum electrode substrate covers the top of said sarin film, and, solidify glue and seal the hand-hole on the said sarin film.
2. DSSC according to claim 1 is characterized in that, said silver-colored grid are square frame shape or circle framework.
3. DSSC according to claim 1 is characterized in that, said electro-conductive glass is FTO or TCO or ITO.
4. DSSC according to claim 1 is characterized in that, said smooth anode is TiO
2Or ZnO or SnO
2Or In
2O
3
5. DSSC according to claim 1 is characterized in that, the width of said hand-hole is 0.5～2 millimeter.
6. preparation method who prepares each described DSSC of claim 1 to 5, may further comprise the steps: silver-colored grid are printed in (1) on electro-conductive glass, and in the frame of silver-colored grid, print the light anode less than silver-colored grid; (2) will cover above the silver-colored grid with the identical film of silver-colored grid shape, and on film, leave hand-hole, said film is that thickness is 25～60 millimeters sarin film; (3) on said sarin film, cover the platinum electrode substrate, and suppress,, said silver-colored grid are enclosed in the said sarin film through being heating and curing; (4) carry out electrolyte perfusion through the hand-hole on the said sarin film; (5) solidifying glue seals hand-hole.
7. the preparation method of DSSC according to claim 6 is characterized in that, the hot pressing temperature of said sarin film is 100～120 ℃, and the hot pressing pressure of said sarin film is 5～40MPa.
8. the preparation method of DSSC according to claim 6 is characterized in that, said curing glue is ultra-violet curing glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010248263 CN101916668B (en) | 2010-08-09 | 2010-08-09 | Dye-sensitized solar battery with sealing structure and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010248263 CN101916668B (en) | 2010-08-09 | 2010-08-09 | Dye-sensitized solar battery with sealing structure and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101916668A CN101916668A (en) | 2010-12-15 |
| CN101916668B true CN101916668B (en) | 2012-05-23 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102231333B (en) * | 2011-04-06 | 2013-01-23 | 北京大学 | Vacuum automatic packaging method used for dye sensitization solar energy cell |
| GB2551542A (en) * | 2016-06-21 | 2017-12-27 | 3Gsolar Photovoltaics Ltd | Seals for holes in solar cells |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101378093A (en) * | 2007-08-27 | 2009-03-04 | 比亚迪股份有限公司 | Method for sealing dye sensitization solar battery |
| CN101515509A (en) * | 2009-03-25 | 2009-08-26 | 彩虹集团公司 | Packaging method for dye-sensitized solar battery assembly |
| CN101593631A (en) * | 2009-06-29 | 2009-12-02 | 彩虹集团公司 | A kind of preparation method of dye sensitization solar cell module |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101378093A (en) * | 2007-08-27 | 2009-03-04 | 比亚迪股份有限公司 | Method for sealing dye sensitization solar battery |
| CN101515509A (en) * | 2009-03-25 | 2009-08-26 | 彩虹集团公司 | Packaging method for dye-sensitized solar battery assembly |
| CN101593631A (en) * | 2009-06-29 | 2009-12-02 | 彩虹集团公司 | A kind of preparation method of dye sensitization solar cell module |
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