CN102509623A - Method for preparing photoanode coating of dye sensitized solar cell - Google Patents
Method for preparing photoanode coating of dye sensitized solar cell Download PDFInfo
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- CN102509623A CN102509623A CN2011103334782A CN201110333478A CN102509623A CN 102509623 A CN102509623 A CN 102509623A CN 2011103334782 A CN2011103334782 A CN 2011103334782A CN 201110333478 A CN201110333478 A CN 201110333478A CN 102509623 A CN102509623 A CN 102509623A
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- solar cell
- sensitized solar
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- 238000000576 coating method Methods 0.000 title claims abstract description 27
- 239000011248 coating agent Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002002 slurry Substances 0.000 claims abstract description 25
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 9
- 238000005245 sintering Methods 0.000 claims abstract description 8
- 238000007581 slurry coating method Methods 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 239000000758 substrate Substances 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims description 24
- 239000000243 solution Substances 0.000 claims description 18
- 230000002787 reinforcement Effects 0.000 claims description 9
- 239000013049 sediment Substances 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000001856 Ethyl cellulose Substances 0.000 claims description 8
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 8
- 239000002270 dispersing agent Substances 0.000 claims description 8
- 229920001249 ethyl cellulose Polymers 0.000 claims description 8
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 6
- 239000012153 distilled water Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- RBNWAMSGVWEHFP-UHFFFAOYSA-N trans-p-Menthane-1,8-diol Chemical compound CC(C)(O)C1CCC(C)(O)CC1 RBNWAMSGVWEHFP-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- 238000010335 hydrothermal treatment Methods 0.000 claims description 4
- 150000003608 titanium Chemical class 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 3
- 238000007865 diluting Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- SZQONNWOQFYRTL-UHFFFAOYSA-M CC(C([O-])=O)O.N.[Ti+4] Chemical compound CC(C([O-])=O)O.N.[Ti+4] SZQONNWOQFYRTL-UHFFFAOYSA-M 0.000 claims description 2
- 239000012670 alkaline solution Substances 0.000 claims description 2
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 2
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 229910000348 titanium sulfate Inorganic materials 0.000 claims description 2
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 2
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005728 strengthening Methods 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract 1
- 230000009466 transformation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- HDUMBHAAKGUHAR-UHFFFAOYSA-J titanium(4+);disulfate Chemical class [Ti+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O HDUMBHAAKGUHAR-UHFFFAOYSA-J 0.000 description 1
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention aims at disclosing a method for preparing a photoanode coating of a convenient-producing dye sensitized solar cell so as to improve conversion efficiency of batteries. The method for preparing the photoanode coating of the dye sensitized solar cell includes the following steps: A coating P25 slurry on the surface of a photoanode substrate of the dye sensitized solar cell and drying the surface of the photoanode substrate, and B coating strengthening slurry made of titanium dioxide with particle diameter as 200-300 nm on the surface of the P25 slurry coating, then performing sintering so as to prepare the photoanode coating of the dye sensitized solar cell. Titanium dioxide with large particles is coated on the surface of the P25 slurry coating so that light can be refracted, the optical path is enlarged, and conversion efficiency of the batteries is improved by improving use ratio of light. More importantly, only one-time sintering is needed in the whole coating preparing process, so that the method for preparing the photoanode coating of the dye sensitized solar cell greatly improves production efficiency compared with the traditional method of immersing a compact layer.
Description
Technical field
The invention belongs to technical field of solar batteries, refer more particularly to a kind of preparation method of dye-sensitized solar cell anode coating.
Background technology
In field of dye-sensitized solar cells, no matter be present industrialized P25 nano titanium dioxide powder or oneself synthetic powder, if do not do any reprocessing, its transformation efficiency all is very limited.In order to make the slurry of preparing can better bring into play its effect, can take to soak the method for compacted zone, if but adopt this method, the light anode just need carry out double sintering, makes the preparation time of battery prolong twice, is unfavorable for the preparation of battery.
Summary of the invention
The objective of the invention is to propose a kind of preparation method of dye-sensitized solar cell anode coating convenient for production, to improve the transformation efficiency of battery.
The preparation method of dye-sensitized solar cell anode coating of the present invention comprises the steps:
A: at first apply the P25 slurry, and carry out drying at the dye-sensitized solar cell anode substrate surface;
B: the reinforcement slurry in that the good P25 slurry coating surface-coated of drying utilizes particle diameter to process for the titanium dioxide of 200nm～300nm, carry out sintering then, make the dye-sensitized solar cell anode coating.
Titanium dioxide commonly used in the market generally is P25, and particle diameter about about 21～25nm, can play the effect of refract light greatly at the oarse-grained titanium dioxide of P25 slurry coating surface-coated; Increase light path, through the utilance of raising light, and then the transformation efficiency of raising battery; The more important thing is, in the preparation process of whole coating, only need experience once sintered; Therefore compare the method for traditional immersion compacted zone, improved production efficiency greatly.
Specifically, the preparation method of the P25 slurry in the said A step is following: at first with P25 powder and terpinol mixed grinding, during add dispersant, make binding agent with ethyl cellulose then, make concentration and be 15～20% P25 slurry.
The preparation method of the reinforcement slurry in the said B step comprises the steps: B1: get titanium salt and be dissolved in and form solution in the distilled water, in above-mentioned solution, drip alkaline solution, pH to 6～8 of adjustment solution make solution produce sediment; B2: carry out centrifugal sediment and the washing processing, and circulation repeatedly; B3: in sediment, drip oxide to deposition dissolving formation settled solution fully; B4: the settled solution that obtains is used distilled water diluting, add agitated reactor and carry out hydrothermal treatment consists, obtaining particle diameter is the colloidal sol of the titanium dioxide of 200nm～300nm; B5: with the colloidal sol and the terpinol mixed grinding of the titanium dioxide that obtains, during add dispersant, make binding agent with ethyl cellulose then, make concentration and be 8～12% reinforcement slurry.
Further, be under 110 ℃～130 ℃ condition, to make the P25 slurry drying in the said A step, temperature is low excessively; Can influence rate of drying, and temperature is too high, when taking out the light anode, need adopts slow temperature reduction way; Reduce production efficiency, not so influenced the quality of photo-anode film.
Further, the sintering temperature in the said B step is 450 ℃.
Further, described dispersant is an ethanol, and the specification of described ethyl cellulose is 200cPa.s.
Further, the reaction temperature of the hydrothermal treatment consists in the said B3 step is 100 ℃～220 ℃, and the reaction time is 10h～48h.
Further, the titanium salt in the said B1 step is one or more in butyl titanate, isopropyl titanate, titanium sulfate, lactic acid titanium ammonium, the titanium tetrachloride.
Preparation method's production efficiency of dye-sensitized solar cell anode coating of the present invention is high, can improve the utilance of light greatly, and then improves the transformation efficiency of battery.
Description of drawings
Fig. 1 is the I-V detection figure that does not use the battery of strengthening slurry.
Fig. 2 is to use the I-V detection figure of the battery of strengthening slurry.
Embodiment
Contrast accompanying drawing below; Through the description to embodiment, the effect of mutual alignment between the shape of specific embodiments of the invention such as related each member, structure, the each several part and annexation, each several part and operation principle etc. are done further to specify.
Embodiment 1:
The preparation method of the dye-sensitized solar cell anode coating of present embodiment comprises the steps:
A: at first apply the P25 slurry, and under 120 ℃ condition, carry out drying at the dye-sensitized solar cell anode substrate surface;
B: the reinforcement slurry in that the good P25 slurry coating surface-coated of drying utilizes particle diameter to process for the titanium dioxide of 200nm～300nm, carry out 450 ℃ of sintering then, make the dye-sensitized solar cell anode coating.
Specifically; The preparation method of the P25 slurry in the said A step is following: the terpinol mixed grinding that at first 6 gram P25 powder and 20 is restrained; Add ethanol during this time and do dispersant, make binding agent with the ethyl cellulose of 50% 200cPa.s then, make concentration and be 18% P25 slurry.
The preparation method of the reinforcement slurry in the said B step comprises the steps: B1: get 1.2 gram titanium sulfates and be dissolved in the settled solution that forms 0.5M in the 10ml distilled water; In above-mentioned solution, drip the ammonia spirit of 1:5 dilution by volume; The pH to 7 of adjustment solution makes solution produce sediment; B2: carry out centrifugal sediment and the washing processing, and circulate three times; B3: in sediment, drip 30% hydrogen peroxide solution to deposition dissolving formation orange colour settled solution fully; B4: the orange colour settled solution that obtains is used distilled water diluting according to volume ratio 1:5, add in the agitated reactor, reaction is 24 hours under 150 ℃ of conditions, and obtaining particle diameter is the colloidal sol of the titanium dioxide of 200nm～300nm; B5: with colloidal sol and the terpinol mixed grinding of the titanium dioxide that obtains, during adding ethanol do dispersant, use specification to make binding agent then as the ethyl cellulose of 200cPa.s, make concentration and be 10% reinforcement slurry.
Through scanning electron microscopic observation, the crackle that film surface has no.
Like Fig. 1, shown in 2, behind the increase strengthened coat, efficient has improved about 43%.
Claims (9)
1. the preparation method of a dye-sensitized solar cell anode coating is characterized in that comprising the steps:
A: at first apply the P25 slurry, and carry out drying at the dye-sensitized solar cell anode substrate surface;
B: the reinforcement slurry in that the good P25 slurry coating surface-coated of drying utilizes particle diameter to process for the titanium dioxide of 200nm～300nm, carry out sintering then, make the dye-sensitized solar cell anode coating.
2. the preparation method of dye-sensitized solar cell anode coating according to claim 1; The preparation method who it is characterized in that the P25 slurry in the said A step is following: at first with P25 powder and terpinol mixed grinding; Add dispersant during this time; Make binding agent with ethyl cellulose then, make concentration and be 15～20% P25 slurry.
3. the preparation method of dye-sensitized solar cell anode coating according to claim 1; The preparation method who it is characterized in that the reinforcement slurry in the said B step comprises the steps: B1: get titanium salt and be dissolved in and form solution in the distilled water; In above-mentioned solution, drip alkaline solution; PH to 6～8 of adjustment solution make solution produce sediment; B2: carry out centrifugal sediment and the washing processing, and circulation repeatedly; B3: in sediment, drip oxide to deposition dissolving formation settled solution fully; B4: the settled solution that obtains is used distilled water diluting, add agitated reactor and carry out hydrothermal treatment consists, obtaining particle diameter is the colloidal sol of the titanium dioxide of 200nm～300nm; B5: with the colloidal sol and the terpinol mixed grinding of the titanium dioxide that obtains, during add dispersant, make binding agent with ethyl cellulose then, make concentration and be 8～12% reinforcement slurry.
4. the preparation method of dye-sensitized solar cell anode coating according to claim 1 is characterized in that in the said A step it being under 110 ℃～130 ℃ condition, to make the P25 slurry drying.
5. the preparation method of dye-sensitized solar cell anode coating according to claim 1 is characterized in that the sintering temperature in the said B step is 450 ℃.
6. according to the preparation method of claim 2 or 3 described dye-sensitized solar cell anode coatings, it is characterized in that described dispersant is an ethanol.
7. according to the preparation method of claim 2 or 3 described dye-sensitized solar cell anode coatings, the specification that it is characterized in that described ethyl cellulose is 200cPa.s.
8. the preparation method of dye-sensitized solar cell anode coating according to claim 3, the reaction temperature that it is characterized in that the hydrothermal treatment consists in the said B3 step are 100 ℃～220 ℃, and the reaction time is 10h～48h.
9. the preparation method of dye-sensitized solar cell anode coating according to claim 3 is characterized in that titanium salt in the said B1 step is one or more in butyl titanate, isopropyl titanate, titanium sulfate, lactic acid titanium ammonium, the titanium tetrachloride.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103334782A CN102509623A (en) | 2011-10-28 | 2011-10-28 | Method for preparing photoanode coating of dye sensitized solar cell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103334782A CN102509623A (en) | 2011-10-28 | 2011-10-28 | Method for preparing photoanode coating of dye sensitized solar cell |
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| CN102509623A true CN102509623A (en) | 2012-06-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346288A (en) * | 2013-06-08 | 2013-10-09 | 苏州诺信创新能源有限公司 | Preparation method of titanium dioxide thin-film electrode |
| CN105489771A (en) * | 2015-11-24 | 2016-04-13 | 青岛黑金热工能源有限公司 | Solar cell compact layer slurry and preparation method therefor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794670A (en) * | 2010-04-06 | 2010-08-04 | 东华大学 | Preparation method of photo anode of dye-sensitized solar cell with optical gradient |
| CN102074374A (en) * | 2011-02-14 | 2011-05-25 | 合肥工业大学 | Doping dye sensitized solar cell photo anode, preparation method and application thereof |
-
2011
- 2011-10-28 CN CN2011103334782A patent/CN102509623A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794670A (en) * | 2010-04-06 | 2010-08-04 | 东华大学 | Preparation method of photo anode of dye-sensitized solar cell with optical gradient |
| CN102074374A (en) * | 2011-02-14 | 2011-05-25 | 合肥工业大学 | Doping dye sensitized solar cell photo anode, preparation method and application thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346288A (en) * | 2013-06-08 | 2013-10-09 | 苏州诺信创新能源有限公司 | Preparation method of titanium dioxide thin-film electrode |
| CN105489771A (en) * | 2015-11-24 | 2016-04-13 | 青岛黑金热工能源有限公司 | Solar cell compact layer slurry and preparation method therefor |
| CN105489771B (en) * | 2015-11-24 | 2019-03-05 | 青岛黑金热工能源有限公司 | Solar battery compacted zone slurry and preparation method thereof |
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Application publication date: 20120620 |