CN101777574B - Laminated composite solar battery - Google Patents
Laminated composite solar battery Download PDFInfo
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- CN101777574B CN101777574B CN 201010034118 CN201010034118A CN101777574B CN 101777574 B CN101777574 B CN 101777574B CN 201010034118 CN201010034118 CN 201010034118 CN 201010034118 A CN201010034118 A CN 201010034118A CN 101777574 B CN101777574 B CN 101777574B
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- solar battery
- electrode
- tio
- nesa coating
- flexible substrate
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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 laminated composite solar battery which comprises a polymer solar battery and a dye-sensitized solar battery formed on the polymer solar battery. Compared with the single dye-sensitized solar battery and the polymer solar battery, the composite solar battery enhances light absorption efficiency on the basis of basically maintaining the efficiencies of the two batteries, thereby enhancing photoelectric conversion efficiency.
Description
Technical field
The present invention relates to solar photoelectric and utilize the field, particularly relate to the laminated composite solar battery of a kind of polymer solar battery and DSSC.
Background technology
French scientist Henri Becq μ erel transforms phenomenon in first observed in 1839 to photoelectricity, but but up to the appearance of the semiconductor solar cell of first practicality in 1954, the idea of " conversion of solar energy is become electric energy " just really becomes a reality.Though directly utilize the photovoltaic cell of photovoltaic effect the transformation efficiency of solar energy is wanted high several orders of magnitude compared with other non-direct conversion regime; But the installed capacity of global photovoltaic cell is very limited, and its main cause is that existing price based on inorganic silicon or semi-conductive photovoltaic cell is too expensive.Though through technological progress and the process modification of decades, its price has descended a lot, but exceeds the general acceptable scope of people, and the possibility that further significantly reduces exists hardly.At present the highest energy conversion efficiency of inorganic silicon photovoltaic cell (abbreviation photovoltaic cell) has reached 24%, based on the photovoltaic cell conversion efficiency of gallium arsenide semiconductor even reached 31%～32% (under the AM 1.5G condition).But creating conditions of they requires harshness, causes production cost very high, and in the process of making, can produce some hypertoxic materials.In addition, shortcoming such as the non-pliability of inorganic photovoltaic cell and difficult processing has also limited the application process of its large tracts of landization.People begin to seek novel solar cell that can replace traditional structural.Wherein polymer solar battery and DSSC are exactly very promising two kinds, and these two kinds of solar cells all can be processed on flexible substrate
1991, Switzerland scientist people such as
utilized nanometer technology that the transformation efficiency in the DSSC is brought up to 7% first.From then on, dye sensitized nano crystal salar battery (i.e.
battery) is born thereupon and is able to fast development.Up-to-date research shows, reached 11% based on the efficient of the new dye sensitization solar battery of
battery.DSSC mainly comprises work electrode, electrolyte and to electrode.Preparation one deck semiconductor porous film on conductive substrates, dye molecule is adsorbed on becomes work electrode then on the perforated membrane.To electrode generally is the electro-conductive glass that is coated with one deck platinum.Containing redox couple in the electrolyte, can be liquid, accurate solid-state or solid-state, and commonly used is liquid electrolyte.
Photovoltaic cell based on conjugated polymer; Or title polymer solar battery; Has the highest theoretical transformation efficient identical with the inorganic silicon photovoltaic cell; Polymer solar battery but has the cheap large tracts of land manufacturing technology of in light weight, available wet method film forming (spin-coating, inkjet printing and silk screen printing), and can be made into advantages such as flexibility, extraordinary shape device, it in addition can realize all plastic and stronger light absorption density.The more important thing is,, can easily regulate and control the performance of device through MOLECULE DESIGN and synthesizing new semi-conducting polymer or organic molecule. based on these unique advantages, polymer solar battery becomes one of the most popular in recent years research field.But the present polymer solar battery efficient of developing is generally all also lower, and all below 5%, and performance is also unstable.The principal element that restricts its energy conversion efficiency is that the spectral response range and the sunlight terrestrial surface radiation spectrum of battery does not match etc.
More than the spectral response range of two kinds of solar cells be complementary to a certain extent, two kinds of batteries are combined, be prepared into the structure of a lamination, just can make the battery after synthetic have the spectral response range more wide in range than the both; Two kinds of solar cells are combined the effect that also can play mutual enhancing, and the battery of doing below can be for being made in the light that a top battery reflected back part is missed, and the battery of doing in the above can serve as a scattering layer for the following battery of doing; The both can use flexible substrate simultaneously, and manufacture craft is simple, processes laminated construction and can save a part of cost.
Summary of the invention
The technical problem that (one) will solve
The purpose of this invention is to provide a kind of stepped construction composite solar battery that solves the prior art defective, significantly improves the photoelectric conversion efficiency of DSSC and polymer solar battery.
(2) technical scheme
For achieving the above object; A kind of laminated composite solar battery according to embodiment of the present invention is provided; It comprises polymer solar battery; And be formed at the DSSC on the said polymer solar battery; Said DSSC comprises that from top to bottom the photosensitive layer of the flexible substrate, the semiconductor that are attached with nesa coating on it, electrolyte, platinum are attached with the flexible substrate of nesa coating to electrode and another, and the photosensitive layer of said semiconductor was for soaking the TiO of dyestuff
2Film, said dyestuff are N3 or N719 dyestuff, and wherein said TiO2 film adopts following process preparation:
Get a certain amount of tetrabutyl titanate and be added drop-wise in the absolute ethyl alcohol, behind the stirring 0.5h, drip 1.5mL distilled water; Obtain faint yellow colloidal sol after stirring; With said faint yellow sol coating electrode, process tetrabutyl titanate colloidal sol electrode, P25 and said faint yellow colloidal sol are mixed obtaining suspension by the different quality ratio; Adopt supersonic oscillations to handle said suspension 0.5h and obtain the slurry of filming, adopt glass bar on flexible substrate, to apply TiO
2Film is put into the water-bath that fills with distilled water with the membrane electrode that applies and is handled some hrs down in 100 ℃, makes the TiO of different quality ratio
2Membrane electrode; Take out the TiO that promptly obtains soaking dyestuff after then said TiO2 membrane electrode being soaked 24-48h in dyestuff
2Film.
Preferably, said nesa coating is a tin indium oxide.
Preferably, said polymer solar battery comprises that from top to bottom the flexible substrate, electron donor, electron acceptor, the platinum that are attached with nesa coating on it are attached with the flexible substrate of nesa coating to electrode and another.
Preferably, said nesa coating is a tin indium oxide.
Preferably, the platinum of said DSSC is formed at the one side that the flexible substrate of said polymer solar battery is not adhered to nesa coating to electrode.
(3) beneficial effect
Because the optical band that DSSC and the light absorbing part of polymer solar battery mainly absorb not exclusively overlaps; Therefore some luminous energy is not absorbed and used when the DSSC above the light transmission, and this moment, the polymer solar battery of lower part can absorb the remaining luminous energy of conversion; Composite solar battery of the present invention is compared with polymer solar battery with independent DSSC; Guaranteeing to have improved the efficient that absorbs of light on above-mentioned two kinds of basic basis of invariable of battery efficiency, thereby can improve photoelectric conversion efficiency.
Description of drawings
Fig. 1 is the structural representation according to the DSSC of the embodiment of the invention;
Fig. 2 is the structural representation according to the polymer solar battery of the embodiment of the invention;
Fig. 3 is the structural representation according to the laminated composite solar battery of the embodiment of the invention.
Wherein, 10,14,20,24,30,34,38: the flexible macromolecule transparent conductive film; 11,31: the TiO that soaked dyestuff
2Film; 12,32: electrolyte; 13,22,33,37: platinum is to electrode; 21,35: electron donor; 22,36: electron acceptor.
Embodiment
Below in conjunction with accompanying drawing and embodiment, specific embodiments of the invention describes in further detail.Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
As shown in Figure 1, according to the structural representation of the DSSC of the embodiment of the invention.Wherein dye-sensitized solar cells comprises flexible macromolecule transparent conductive film IT0/PET10, and this nesa coating is the oxide semiconductor tin indium oxide; To electrode platinum film 13, can be employed in the method preparation that flexible macromolecule transparent conductive film IT0/PET goes up sputter; Electrolyte 12 wherein contains the I3-/I-ion pair; Also comprise the TiO that soaked dyestuff
2Film 11, this layer preparation method is following:
Get a certain amount of tetrabutyl titanate and slowly be added drop-wise in the absolute ethyl alcohol, behind the stirring 0.5h, drip 1.5mL distilled water again, stir and obtain faint yellow colloidal sol, with faint yellow sol coating electrode.Process tetrabutyl titanate colloidal sol electrode.P25 (Degussa company, average diameter is 25nm) and colloidal sol are mixed by the different quality ratio, adopt supersonic oscillations to handle mixing suspension 0.5h and obtain proper viscosity and the finely dispersed slurry of filming.Adopt glass bar on flexible substrate, to apply TiO
2Film is put into the water-bath that fills with distilled water with the membrane electrode that applies and is handled some hrs down in 100 ℃, makes the TiO of different quality ratio
2Membrane electrode.
In dyestuff (N3 or N719 dyestuff also can make the dyestuff of other kinds), soak 24-48h then and take out the TiO that promptly obtains soaking dyestuff
2Film 11.
As shown in Figure 2, according to the structural representation of the polymer solar battery of the embodiment of the invention.Concrete preparation method is following: with electron donor 21 (like MEH-PPV; Promptly gather the own oxygen base of 2-methoxyl group-5 (2 '-ethyl)-to the penylene ethylene) and electron acceptor 22 (like C60 or PCBM (6; 6-phenyl carbons 61 methyl butyrates)) be dissolved in altogether in the organic solvent, processed on the flexible macromolecule transparent conductive film IT0/PET20 that the nesa coating one side is arranged through methods such as spin coatings then and interpenetrated the also blend film of the network-like continuous phase of each self-forming.Platinum is identical to electrode 13 to platinum in the preparation method of electrode 23 and the DSSC.
As shown in Figure 3, according to the solar battery structure sketch map of the stepped construction of the embodiment of the invention.Two kinds of batteries are combined, and concrete grammar is following: through will top DSSC (structure such as Fig. 1) electrode platinum film 33 be prepared in below the flexible macromolecule transparent conductive film IT0/PET34 of following polymer solar battery (structure such as Fig. 2).
Can find out by above embodiment; Because the optical band that DSSC and the light absorbing part of polymer solar battery mainly absorb not exclusively overlaps; Therefore some luminous energy is not absorbed and used when the DSSC above the light transmission, and this moment, the polymer solar battery of lower part can absorb the remaining luminous energy of conversion; Composite solar battery of the present invention is compared with polymer solar battery with independent DSSC; Guaranteeing to have improved the efficient that absorbs of light on above-mentioned two kinds of basic basis of invariable of battery efficiency, thereby can improve photoelectric conversion efficiency.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (5)
1. laminated composite solar battery; It is characterized in that; Said solar cell comprises polymer solar battery; And be formed at the DSSC on the said polymer solar battery, and said DSSC comprises that from top to bottom the photosensitive layer of the flexible substrate, the semiconductor that are attached with nesa coating on it, electrolyte, platinum are attached with the flexible substrate of nesa coating to electrode and another, the photosensitive layer of said semiconductor was for soaking the TiO of dyestuff
2Film, said dyestuff are N3 or N719 dyestuff, wherein said TiO
2Film adopts following process preparation:
Get a certain amount of tetrabutyl titanate and be added drop-wise in the absolute ethyl alcohol, behind the stirring 0.5h, drip 1.5mL distilled water; Obtain faint yellow colloidal sol after stirring; With said faint yellow sol coating electrode, process tetrabutyl titanate colloidal sol electrode, the average diameter that Degussa company is produced is that P25 and the said faint yellow colloidal sol of 25nm mixes by the different quality ratio and obtains suspension; Adopt supersonic oscillations to handle said suspension 0.5h and obtain the slurry of filming, adopt glass bar on flexible substrate, to apply TiO
2Film is put into the water-bath that fills with distilled water with the membrane electrode that applies and is handled some hrs down in 100 ℃, makes the TiO of different quality ratio
2Membrane electrode; Then with said TiO
2Membrane electrode takes out the TiO that promptly obtains soaking dyestuff after in dyestuff, soaking 24-48h
2Film.
2. laminated composite solar battery as claimed in claim 1 is characterized in that, said nesa coating is a tin indium oxide.
3. laminated composite solar battery as claimed in claim 1; It is characterized in that said polymer solar battery comprises that from top to bottom the flexible substrate, electron donor, electron acceptor, the platinum that are attached with nesa coating on it are attached with the flexible substrate of nesa coating to electrode and another.
4. laminated composite solar battery as claimed in claim 3 is characterized in that, said nesa coating is a tin indium oxide.
5. like each described laminated composite solar battery of claim 1-4, it is characterized in that the platinum of said DSSC is formed at the one side that the flexible substrate of said polymer solar battery is not adhered to nesa coating to electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010034118 CN101777574B (en) | 2010-01-15 | 2010-01-15 | Laminated composite solar battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010034118 CN101777574B (en) | 2010-01-15 | 2010-01-15 | Laminated composite solar battery |
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| CN101777574A CN101777574A (en) | 2010-07-14 |
| CN101777574B true CN101777574B (en) | 2012-02-01 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102456481A (en) * | 2010-10-20 | 2012-05-16 | 奇菱科技股份有限公司 | Solar cell and electrode layer structure thereof |
| CN103208368B (en) * | 2012-01-17 | 2016-01-13 | 研能科技股份有限公司 | The manufacture method of DSSC |
| CN103839687B (en) * | 2013-10-16 | 2017-06-06 | 中国科学院等离子体物理研究所 | A kind of lamination dye-sensitized solar cells |
| CN106252434A (en) * | 2016-10-15 | 2016-12-21 | 凯盛光伏材料有限公司 | A kind of dye sensitization CIGS lamination power generating glass and preparation method thereof |
| CN112853266B (en) * | 2021-01-05 | 2023-02-28 | 西京学院 | Flexible transparent solar energy hydrolysis photoelectrode and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101290973A (en) * | 2008-07-08 | 2008-10-22 | 中国科学院长春应用化学研究所 | Thin-film solar cell of polymer with laminated structure |
| CN101376987A (en) * | 2008-09-28 | 2009-03-04 | 大连理工大学 | Photoelectrochemistry composite or coupled hydrogen making and oxygen making apparatus and method |
| CN101414663A (en) * | 2008-12-04 | 2009-04-22 | 中国科学院长春应用化学研究所 | Stacking polymer thin-film solar cell with parallel connection structure |
| CN101510470A (en) * | 2008-12-26 | 2009-08-19 | 上海拓引数码技术有限公司 | Laminated structure of amorphous silicon solar battery and dye sensitization battery |
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2010
- 2010-01-15 CN CN 201010034118 patent/CN101777574B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101290973A (en) * | 2008-07-08 | 2008-10-22 | 中国科学院长春应用化学研究所 | Thin-film solar cell of polymer with laminated structure |
| CN101376987A (en) * | 2008-09-28 | 2009-03-04 | 大连理工大学 | Photoelectrochemistry composite or coupled hydrogen making and oxygen making apparatus and method |
| CN101414663A (en) * | 2008-12-04 | 2009-04-22 | 中国科学院长春应用化学研究所 | Stacking polymer thin-film solar cell with parallel connection structure |
| CN101510470A (en) * | 2008-12-26 | 2009-08-19 | 上海拓引数码技术有限公司 | Laminated structure of amorphous silicon solar battery and dye sensitization battery |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-231324A 2002.08.16 |
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