CN102074361A - Dye sensitized solar cell - Google Patents
Dye sensitized solar cell Download PDFInfo
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- CN102074361A CN102074361A CN 201010603597 CN201010603597A CN102074361A CN 102074361 A CN102074361 A CN 102074361A CN 201010603597 CN201010603597 CN 201010603597 CN 201010603597 A CN201010603597 A CN 201010603597A CN 102074361 A CN102074361 A CN 102074361A
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- glass substrate
- metal film
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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
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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
- Y02E10/549—Organic PV cells
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Abstract
The invention discloses a dye sensitized solar cell, which comprises a first glass substrate and a second glass substrate, wherein a first conductive film is attached to the surface of the first glass substrate, and a second conductive film is attached to the surface of the second glass substrate; the first conductive film on the first glass substrate is partitioned into a plurality of mutually insulated unit areas, the surface of the first conductive film of each unit area is provided with a conductive channel, a first lateral metal film is covered on the lateral surface of the first glass substrate, and the conductive channel is electrically connected with the first lateral metal film; and a second lateral metal film is covered on the lateral surface of the second glass substrate, and the second lateral metal film is electrically connected with a conductive material on the surface of the second glass substrate. The integrated dye sensitized solar cell has low cost and high efficiency, and is favorable for large-batch production.
Description
Technical field:
The present invention relates to a kind of DSSC.
Background technology:
Along with going from bad to worse of earth environment, people press for multiple clean energy resource and replace original high-carbon energy, and solar energy is inexhaustible clean energy resource, and therefore, the development and utilization of solar cell obtains people's pay attention to day by day.And DSSC is exactly a kind of novel solar battery wherein, its basic comprising is: comprise first glass substrate of having first conducting film and second glass substrate of having second conducting film, metal oxide and dyestuff, electrolyte solution and fluid sealant, first conducting film of described first glass substrate is provided with the nanocrystal metal-oxide film layer that has adsorbed dyestuff, as light anode (also claiming anodal), coated with conductive material on the second conducting film surface of described second glass substrate, as to electrode (also claiming negative pole), light anode and to injecting the OR electrolyte solution between the electrode and forming solar cell with the fluid sealant sealing.
Its operation principle is, when illumination, after dye molecule on the light anode absorbed solar energy, electronics wherein became excited state, and the electronics of excitation state enters next-door neighbour's metal-oxide film layer, enter conducting film subsequently, by external cable electron transport is arrived electrode, enter electrolyte at last, the electronics that loses in the dyestuff then is compensated from electrolyte by metal oxide, make dyestuff get back to initial condition and form electronic loop, so just produced photoelectric current.
Compare with traditional polysilicon solar cell, DSSC can reach low relatively production cost by people's pay attention to day by day in the mode of environmental protection.At present, the DSSC photoelectric conversion efficiency is lower, one of them defective is: the distance that the electronics that produces during owing to dye molecule illumination can spread in nanocrystal metal-oxide film layer is short, a large amount of electronics has been compounded in the thin layer before arriving outer lead, can't be for the external circuit provide photoelectron, therefore, the large-area DSSC of monolithic, its generating efficiency is also very low, is restricted in actual applications.Appearance is a kind of in the recent period is electrically connected integrated dye sensitization solar cell module with a plurality of DSSC mutually by conductive strips.But complex structure, the manufacturing cost height is unfavorable for producing in enormous quantities.
Summary of the invention:
The present invention can provide that a kind of cost is lower, efficient is higher, be beneficial to the integrated DSSC of production in enormous quantities.
Technical solution of the present invention is, a kind of integrated DSSC is provided, it comprises second glass substrate that the surface has second conducting film with first glass substrate and the surface of first conducting film, first conducting film of described first glass baseplate surface is provided with the nanocrystal metal-oxide film layer that has adsorbed dyestuff, as the light anode, coated with conductive material on second conducting film of described second glass baseplate surface, as to electrode, at the light anode and between to electrode the metal-oxide film layer around form enclosure space with the encapsulant sealing, in described enclosure space, inject electrolyte solution, conducting film on described first glass substrate cuts off into the unit area of a plurality of mutually insulateds mutually, be equipped with conductive channel on the surface of described each unit area conducting film, the side of described first glass substrate is covered with the first side metal film, described conductive channel is electrically connected with the first side metal film, the side of described second glass substrate is covered with the second side metal film, and the described second side metal film is electrically connected with electric conducting material on second glass baseplate surface.
After adopting above structure, DSSC of the present invention compared with prior art has the following advantages:
The first, the present invention is arranged to the unit area that many groups are cut off mutually to the conducting film on the same glass substrate face, a baby battery can be made in each unit area, like this, its inside of battery that glass substrate is made just includes a plurality of unit baby battery, the integrated battery that the capacity of making is bigger is fit to produce in enormous quantities.
The second, be equipped with conductive channel on the surface at the conducting film edge of each unit area, and be electrically connected with the metal film of side, can shorten the distance that the photoelectron that produces in the dye molecule need spread effectively, can make more electronics transfer to by conductive channel on the side metal film of outside batteries, improve the electricity conversion of battery.
Three, dye solar cell of the present invention is when connecing outer lead, can be directly outer lead is welded on the metal film of side securely and forms the external circuit, and is easy to connect, helps reducing production costs.
The 4th, dye solar cell of the present invention adopts and weld outer lead on the metal film of side, can improve the utilance of substrate surface conducting film to greatest extent, the while can be avoided the problem because of the difficult sealing of the battery that wire bonds is caused on substrate surface.
Conductive channel on described first glass baseplate surface also is covered with protective layer.Be coated with matcoveredn, can prevent that electrolyte solution from corroding conductive channel, reliability is higher.
Described conductive channel is arranged on the edge of unit area and contacts with the conducting film of unit area.Conductive channel is arranged on the edge of unit area, just can directly on the surface of conductive channel, protective layer be set, and can have influence on adjacent with it unit area, also can not have influence on the processing of the metal-oxide film layer in the unit area, simple and convenient.
Described conductive channel is the metal film on surface that the printing of silver slurry forms.Printing of silver slurry and high temperature sintering form conductive channel, and conductive channel adopts convenient, the better effects if of silver slurry printing.
The two opposite side surfaces of described first glass substrate all is covered with the first side metal film, and the two opposite side surfaces of described second glass substrate all is covered with the second side metal film.When on first glass substrate of battery more unit area being arranged, can from the metal film of glass substrate both sides, realize being electrically connected with the unit area, simplify the connected mode of outer lead.
The arris that the conductive channel and the first side metal symphysis connect on described first glass substrate is provided with chamfering.Chamfering is set, and that the conductive channel and the first side metal symphysis are connect is more firm, not fragile.
The first side metal film of the described first glass substrate side is an integral body, and the second side metal film of the described second glass substrate side is an integral body.The side metal film is an integral body, the integrated interior directly parallel connection of a plurality of element cells of DSSC of monolithic soon, convenient production and use.
The first side metal film of the described first glass substrate side is the multistage metal film that cuts off mutually, and the second side metal film of the described second glass substrate side also is the multistage metal film that cuts off mutually.Adopt this structure, be about to separate the coming of each element cell in the integrated DSSC of monolithic, can connect or be connected in parallel each element cell by outer lead like this.
Description of drawings:
Accompanying drawing 1 is the structural representation of DSSC of the present invention;
Accompanying drawing 2 is floor map of DSSC first glass substrate of the present invention;
Accompanying drawing 3 is end views of DSSC first glass substrate of the present invention;
Accompanying drawing 4 is that the DSSC first glass substrate side metal film of the present invention is the schematic perspective view of multistage;
Accompanying drawing 5 is that the DSSC first glass substrate side metal film of the present invention is holistic schematic perspective view;
Accompanying drawing 6 is that the conducting film of DSSC first glass substrate of the present invention is divided into the unit area floor map;
As shown in the figure: 1.1, first glass substrate, 1.2, second glass substrate, 2.1, first conducting film; 2.2, second conducting film, 3.1, the first side metal film, 3.2, the second side metal film; 4, outer lead; 5, metal-oxide film layer, 6, electrolyte solution, 7, encapsulant; 8, electric conducting material; 9, conductive channel, 10, the unit area, 11. protective layers.
Embodiment:
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
As Fig. 1; Fig. 2; Fig. 3; Fig. 4; Fig. 5; shown in Figure 6: technical solution of the present invention is; a kind of integrated DSSC is provided; it comprises second glass substrate 1.2 that the surface has second conducting film 2.2 with first glass substrate 1.1 and the surface of first conducting film 2.1; in the present embodiment; conducting film adopts the FTO conducting film; conducting film 2.1 on described first glass substrate 1.1 cuts off the unit area 10 that forms a plurality of mutually insulateds mutually; be to adopt the method for LASER HEATING cutting FTO conducting film 2.1 to be divided into the blockage conducting film of a plurality of unit in the present embodiment; form the unit area 10 of a plurality of mutually insulateds; be respectively arranged with the metal-oxide film layer 5 that has adsorbed dyestuff on the surface of first conducting film 2.1 of described each unit area 10; metal-oxide film layer 5 adopts nanocrystal titanium deoxid film layer in the present embodiment; as the light anode; coated with conductive material 8 on second conducting film 2.2 on described second glass substrate 1.2 surfaces; electric conducting material 8 adopts metal platinum in the present embodiment; as to electrode; described second glass substrate 1.2 is provided with the fill orifice of a plurality of electrolyte 6; corresponding with the unit area 10 on first glass substrate 1.1; on the relative position of second glass substrate 1.2; each unit area is provided with two through holes; fill orifice utilizes ultrasonic wave to punch in the present embodiment; between first glass substrate 1.1 and second glass substrate 1.2 (promptly at the light anode with between) to electrode reach all around each unit metal oxide film layer 5 around locate all to adopt encapsulant 7 sealing to form enclosure spaces; encapsulant 7 is that glue is solidified in ultraviolet ray (UV) in the present embodiment; in the enclosure space of described each unit metal oxide film layer 5, inject electrolyte solution 6; then fill orifice is sealed with fluid sealant; all be covered with conductive channel 9 on the conducting film edge of described each unit area 10; on conductive channel 9, be covered with protective layer 11; protective layer 11 is a glass powder with low melting point in the present embodiment; the side of described first glass substrate 1.1 is covered with the first side metal film 3.1; described each conductive channel 9 all is electrically connected with the first side metal film 3.1; the side of described second glass substrate 1.2 is covered with the second side metal film 3.2, and the described second side metal film 3.2 is electrically connected with lip-deep electric conducting material 8.Conductive channel 9 and two side metal films all adopt the printing of silver slurry after high temperature sintering forms in the present embodiment, when being adsorbed on the electronics that promptly produces excitation state after dyestuff on the titanium dioxide is subjected to illumination, transferred on next-door neighbour's the conducting film 2.1 after the titanium dioxide collection, the photoelectron that produces can be transported to the first side metal film 3.1 of outside batteries by conductive channel 9, be on the side ag paste electrode 3.1, utilization be welded on outer lead 4 on the side ag paste electrode 3.1 electron transport to on the point electrode, just produce photoelectric current, the electronics that loses in the dyestuff then is compensated from electrolyte solution 6, makes dyestuff get back to ground state.
Described conductive channel 9 is arranged on the edge of unit area 10 and contacts with conducting film on the unit area 10.Can protective layer 11 be set on conductive channel 9 directly, produce convenient.
Described conductive channel 9 is the metal film on surface that printing of silver slurry and sintering form.Conductive channel 9 employing silver slurry printings are easy to process, conductive effect is better.
Also be covered with protective layer 11 on the conductive channel 9 on described first glass substrate 1.1.Be coated with matcoveredn 11, can prevent that 6 pairs of conductive channels of electrolyte solution 9 from carrying out oxidative attack, reliability is higher.
The two opposite side surfaces of described first glass substrate 1.1 all is covered with side first metal film 3.1, and the two opposite side surfaces of described second glass substrate 1.2 all is covered with the second side metal film 3.2.When on first glass substrate 1.1 more unit area 10 being arranged, each unit area 10 can be connected with external circuit from the first side metal film 3.1 of two sides, the integrated battery that the capacity of making is bigger.
As shown in Figure 5: the first side metal film 3.1 of described first glass substrate 1.1 sides is an integral body, and the second side metal film 3.2 of described second glass substrate 1.2 sides is an integral body.The side metal film is an integral body, and each element cell that is about in the integrated DSSC of monolithic is directly in parallel, convenient production and use.
As shown in Figure 4: the first side metal film 3.1 of described first glass substrate 1.1 sides is the multistage metal film that cuts off mutually, and the second side metal film 3.2 of described second glass substrate 1.2 sides also is the multistage metal film that cuts off mutually.Described each conductive channel 9 is connected with corresponding each section metal film respectively.Adopt this structure, be about to separate the coming of each element cell in the integrated DSSC of monolithic, can connect the design that each element cell carries out serial or parallel connection by external cable like this.
All scribble around described first glass substrate 1.1 and described each unit area 10 encapsulant 7 and with the sealing of second glass substrate 1.2.Scribble encapsulant around the described metal-oxide film layer 5, cut off into unit area 10 owing to first mutually to electrolemma 2.1, so metal-oxide film layer 5 also cuts off mutually, in other words, all scribble encapsulant 7 around described each unit area 10, and, also scribble the sealing of the encapsulant 7 and second glass substrate around described whole first glass substrate 1.1 for the entire cell sealing.
Described second glass substrate, 1.2 lip-deep electric conducting materials 8 cut off into the unit area of a plurality of mutually insulateds mutually, and the electric conducting material 8 of described each unit area all is electrically connected with the described second side metal film 3.2.Described electric conducting material 8 not division unit zone is done as a whole the use, also can be divided into first glass substrate 1.1 on first conducting film, 2.1 corresponding unit areas, also can divide according to the actual requirements not with first glass substrate 1.1 on first conducting film, 2.1 corresponding unit areas, above-mentioned these several structures all can adopt.
Embodiments of the invention describe in detail in the above, but should well-knownly be, many variations of the inventive concept described here that may occur those skilled in the art and revising will fall within the defined scope of present disclosure claims, can adopt different geometries as the unit area, can make variation as required, as circle, oval or the like, conductive channel also can be made the change of vpg connection as required, as lines type, rectangle etc.
Claims (10)
1. DSSC, it comprises second glass substrate (1.2) that the surface has second conducting film (2.2) with first glass substrate (1.1) and the surface of first conducting film (2.1), first conducting film (2.1) on described first glass substrate (1.1) surface is provided with the metal-oxide film layer (5) that has adsorbed dyestuff, second conducting film (2.2) on described second glass substrate (1.2) surface is gone up coated with conductive material (8), the encapsulant (7) that scribbles on every side of metal-oxide film layer (5) forms enclosure space between first glass substrate (1.1) and second glass substrate (1.2), inject electrolyte solution (6) in the described enclosure space, it is characterized in that: first conducting film (2.1) on described first glass substrate (1.1) cuts off into the unit area (10) of a plurality of mutually insulateds mutually, be equipped with conductive channel (9) on the surface of first conducting film (2.1) of described each unit area (10), the side of described first glass substrate (1.1) is covered with the first side metal film (3.1), described conductive channel (9) is electrically connected with the first side metal film (3.1), the side of described second glass substrate (1.2) is covered with the second side metal film (3.2), and the described second side metal film (3.2) is electrically connected with the lip-deep electric conducting material of second glass substrate (1.2) (8).
2. DSSC according to claim 1 is characterized in that: also be covered with protective layer (11) on the conductive channel (9) on described first glass substrate (1.1).
3. DSSC according to claim 1 is characterized in that: described conductive channel (9) is arranged on the edge of unit area (10) and contacts with the conducting film of unit area (10).
4. DSSC according to claim 1 is characterized in that: the conductive metal film that described conductive channel (9) forms for the printing of silver slurry.
5. DSSC according to claim 1, it is characterized in that: the two opposite side surfaces of described first glass substrate (1.1) all is covered with the first side metal film (3.1), and the two opposite side surfaces of described second glass substrate (1.2) all is covered with the second side metal film (3.2).
6. DSSC according to claim 1 is characterized in that: the conductive channel (9) of described first glass substrate (1.1) is provided with chamfering with the arris that the contact of the first side metal film (3.1) is connected.
7. DSSC according to claim 1, it is characterized in that: the first side metal film (3.1) of described first glass substrate (1.1) side is an integral body, and the second side metal film (3.2) of described second glass substrate (1.2) side is an integral body.
8. DSSC according to claim 1, it is characterized in that: the multistage metal film of the first side metal film (3.1) of described first glass substrate (1.1) side for cutting off mutually, the second side metal film (3.2) of described second glass substrate (1.2) side also are the multistage metal film that cuts off mutually.
9. DSSC according to claim 1 is characterized in that: all scribble encapsulant (7) and seal with second glass substrate (1.2) around described first glass substrate (1.1) and described each unit area (10).
10. DSSC according to claim 1, it is characterized in that: the lip-deep electric conducting material of described second glass substrate (1.2) (8) cuts off into the unit area of a plurality of mutually insulateds mutually, and the electric conducting material of described each unit area (8) all is electrically connected with the described second side metal film (3.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010603597 CN102074361A (en) | 2010-12-13 | 2010-12-13 | Dye sensitized solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010603597 CN102074361A (en) | 2010-12-13 | 2010-12-13 | Dye sensitized solar cell |
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| CN102074361A true CN102074361A (en) | 2011-05-25 |
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| CN 201010603597 Pending CN102074361A (en) | 2010-12-13 | 2010-12-13 | Dye sensitized solar cell |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1604250A (en) * | 2004-11-04 | 2005-04-06 | 中国科学院物理研究所 | Method for protecting conductive network in dye sensitizing solar cell |
| CN1846327A (en) * | 2003-11-25 | 2006-10-11 | 日本特殊陶业株式会社 | Dye-sensitized solar cell |
| CN201302932Y (en) * | 2008-12-10 | 2009-09-02 | 大连七色光太阳能科技开发有限公司 | Electrode structure of dye-sensitized solar cell |
| CN101877282A (en) * | 2009-04-30 | 2010-11-03 | 中国科学院物理研究所 | Dye-sensitized solar cell module and preparation method thereof |
| CN201984962U (en) * | 2010-12-13 | 2011-09-21 | 宁波天明电子股份有限公司 | Dye-sensitized solar cell |
-
2010
- 2010-12-13 CN CN 201010603597 patent/CN102074361A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1846327A (en) * | 2003-11-25 | 2006-10-11 | 日本特殊陶业株式会社 | Dye-sensitized solar cell |
| CN1604250A (en) * | 2004-11-04 | 2005-04-06 | 中国科学院物理研究所 | Method for protecting conductive network in dye sensitizing solar cell |
| CN201302932Y (en) * | 2008-12-10 | 2009-09-02 | 大连七色光太阳能科技开发有限公司 | Electrode structure of dye-sensitized solar cell |
| CN101877282A (en) * | 2009-04-30 | 2010-11-03 | 中国科学院物理研究所 | Dye-sensitized solar cell module and preparation method thereof |
| CN201984962U (en) * | 2010-12-13 | 2011-09-21 | 宁波天明电子股份有限公司 | Dye-sensitized solar cell |
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Application publication date: 20110525 |