CN112133565A - Ternary light-driven charging electrode material and preparation method thereof - Google Patents
Ternary light-driven charging electrode material and preparation method thereof Download PDFInfo
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- 239000007772 electrode material Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims abstract description 11
- 230000031700 light absorption Effects 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 29
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 24
- 238000001035 drying Methods 0.000 claims description 18
- 239000003792 electrolyte Substances 0.000 claims description 10
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims description 10
- LLWRXQXPJMPHLR-UHFFFAOYSA-N methylazanium;iodide Chemical compound [I-].[NH3+]C LLWRXQXPJMPHLR-UHFFFAOYSA-N 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- JJWJFWRFHDYQCN-UHFFFAOYSA-J 2-(4-carboxypyridin-2-yl)pyridine-4-carboxylate;ruthenium(2+);tetrabutylazanium;dithiocyanate Chemical compound [Ru+2].[S-]C#N.[S-]C#N.CCCC[N+](CCCC)(CCCC)CCCC.CCCC[N+](CCCC)(CCCC)CCCC.OC(=O)C1=CC=NC(C=2N=CC=C(C=2)C([O-])=O)=C1.OC(=O)C1=CC=NC(C=2N=CC=C(C=2)C([O-])=O)=C1 JJWJFWRFHDYQCN-UHFFFAOYSA-J 0.000 claims description 8
- LTNAYKNIZNSHQA-UHFFFAOYSA-L 2-(4-carboxypyridin-2-yl)pyridine-4-carboxylic acid;ruthenium(2+);dithiocyanate Chemical compound N#CS[Ru]SC#N.OC(=O)C1=CC=NC(C=2N=CC=C(C=2)C(O)=O)=C1.OC(=O)C1=CC=NC(C=2N=CC=C(C=2)C(O)=O)=C1 LTNAYKNIZNSHQA-UHFFFAOYSA-L 0.000 claims description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 239000002033 PVDF binder Substances 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 6
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 6
- 235000011152 sodium sulphate Nutrition 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910010710 LiFePO Inorganic materials 0.000 claims description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910021607 Silver chloride Inorganic materials 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 238000000498 ball milling Methods 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 claims description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 4
- 229910001887 tin oxide Inorganic materials 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052493 LiFePO4 Inorganic materials 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052744 lithium Inorganic materials 0.000 abstract description 10
- 229910052736 halogen Inorganic materials 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000002371 ultraviolet--visible spectrum Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2059—Light-sensitive devices comprising an organic dye as the active light absorbing material, e.g. adsorbed on an electrode or dissolved in solution
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to a ternary light-driven charging electrode material and a preparation method thereof. The invention provides a ternary electrode material consisting of dye, lead-halogen perovskite and lithium iron phosphate, which can combine the advantages of the three electrode materials. The material prepared by the method can improve the light energy utilization rate of the lithium battery material, so that the lithium battery material has good photoelectric conversion performance and light absorption capacity.
Description
Technical Field
The invention relates to the field of synthesis and application of optical functional materials, in particular to a ternary optical drive charging electrode material and a preparation method thereof
Background
In recent years, light charging batteries are paid much attention, and research and development of materials of the light charging batteries can promote new energy automobiles and mobile phones to be directly charged by solar energy outdoors without depending on fixed charging piles and charging wires. The bifunctional lithium battery material with solar energy conversion and storage performance can reduce the weight, volume and ohmic loss of the light rechargeable battery. However, the solar energy utilization efficiency of the current lithium battery material is low, so that a novel composite material containing a lithium-rich material needs to be found to increase the solar energy utilization efficiency of the lithium-rich material. The advent of dye-sensitized solar cells (Nature,1991,353, 737-and 740) and the discovery of perovskite solar cells (j.am. chem. soc.,2009,131, 6050-and 6051) have enabled solar energy to be well utilized, however, both do not have energy storage characteristics.
Disclosure of Invention
The invention aims to provide a method for preparing a light-driven charging electrode by combining a lead-halogen perovskite and a dye after mixing with lithium iron phosphate aiming at the problem of low solar energy utilization efficiency of the current lithium battery material, and the lithium-rich electrode is enabled to improve the solar energy utilization rate through the excellent optical property of the dye and the synergistic effect of the dye and the perovskite.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a ternary light-driven charging electrode material is prepared by the following steps:
(1) manufacturing a lithium iron phosphate substrate:
mixing LiFePO4Mixing SUPER P Li and PVDF according to a certain proportion, adding a proper amount of 1-methyl-2-pyrrolidone and alcohol, ball-milling, blade-coating on FTO, drying, and heating in an argon environment;
(2) preparation of perovskite and dye mixed solution:
uniformly mixing lead iodide, methylamine hydroiodide and N719 dye in DMSO to obtain a mixed solution of perovskite and N719 dye, namely a first solution;
uniformly mixing lead iodide, methylamine hydroiodide and N3 dye in DMSO to obtain a mixed solution of perovskite and N3 dye, which is a second solution;
(3) preparing a ternary light-driven electrode material:
dropwise adding a certain amount of the first solution on FTO (fluorine-doped tin oxide) taking lithium iron phosphate as a substrate, and drying in a vacuum oven; after drying, continuously dropwise adding a certain amount of the first solution, and drying in vacuum to obtain a first electrode;
dropwise adding a certain amount of solution II on FTO (fluorine-doped tin oxide) taking lithium iron phosphate as a substrate, and drying in a vacuum oven; after drying, continuously dropwise adding a certain amount of the second solution, and drying in vacuum to obtain a second electrode;
(4) preparing electrolyte:
adding sodium sulfate into deionized water, and stirring to obtain an electrolyte;
(5) connection and measurement of the electrodes:
taking a platinum sheet as a counter electrode; Ag/AgCl is used as a reference electrode; and (3) respectively connecting the red copper electrode with the electrode conducting surface prepared in the step (3) to be used as a working electrode, and respectively testing the photocurrent, the photovoltage and the light absorption performance of each electrode prepared in the step (3) by adopting the electrolyte prepared in the step (4).
LiFePO in step (1)4The weight ratio of SUPER P Li to PVDF is 7:2: 1.
In the step (2), when the first solution is prepared, the mass ratio of the components of lead iodide, methylamine hydroiodide and N719 dye is 10000:10000: 3.
In the step (2), when the second solution is prepared, the mass ratio of the components of lead iodide, methylamine hydroiodide and N3 dye is 10000:10000: 3.
In the step (3), the two dropping amounts of the solution I and the solution II are both 20 mu L.
In the step (4), the concentration of sodium sulfate in the electrolyte is 0.25 mol/L.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a ternary electrode material composed of dye, lead halogen perovskite and lithium iron phosphate, and combines the advantages of the three electrode materials.
Drawings
FIG. 1 shows the photocurrent measured by the ternary photo-driven charging electrode material obtained in example 1.
FIG. 2 shows the photovoltage measured by the ternary photo-driven charging electrode material obtained in example 1.
FIG. 3 shows the UV-VIS absorption spectrum of the ternary photo-driven charging electrode material obtained in example 1.
FIG. 4 shows the photocurrent measured by the ternary photo-driven charging electrode material obtained in example 2.
FIG. 5 shows the photovoltage measured for the ternary photo-driven charging electrode material obtained in example 2.
FIG. 6 shows the UV-VIS absorption spectrum of the ternary photo-driven charging electrode material obtained in example 2.
Detailed Description
The present invention will be described in further detail with reference to specific examples. The following examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
Example 1
1) 0.14g of LiFePO was taken40.04g of SUPER P Li and 0.02g of PVDF are added into 1-methyl-2-pyrrolidone and alcohol for ball milling for two hours, the mixture is coated on FTO by scraping, then is dried at 40 ℃, and then is annealed at 400 ℃ in an argon environment.
2) 0.0004g N719 dye, 0.4610g of lead iodide, 0.1590g of methylamine hydroiodide and 10ml of DMSO solution are taken and stirred uniformly to obtain a solution of 0.1mol/L of perovskite and 0.03mmol/L N719 dye.
3) And dripping 20 mu L of perovskite and N719 DMSO solution on FTO taking lithium iron phosphate as a substrate, drying at 110 ℃ in vacuum, and then continuously dripping 20 mu L of perovskite and N719 solution and drying at 110 ℃ in vacuum. A light-driven charging electrode is obtained.
4) Ag/AgCl is used as a reference electrode; a platinum sheet is used as a counter electrode; and connecting the prepared conductive surface of the light-driven charging electrode with a red copper electrode to serve as a working electrode. 2.1306g of sodium sulfate is added into 60mL of deionized water and stirred uniformly to obtain electrolyte. The electrodes were tested for photocurrent, photovoltage and absorption properties, respectively. The obtained photocurrent, photovoltage and ultraviolet-visible spectrum curves are respectively shown in figures 1-3, and the ternary lithium-rich material system can be found to have better solar energy utilization efficiency.
Example 2
1) 0.14g of LiFePO was taken40.04g of SUPER P Li and 0.02g of PVDF are added into 1-methyl-2-pyrrolidone and alcohol for ball milling for two hours, the mixture is coated on FTO by scraping, then is dried at 40 ℃, and then is annealed at 400 ℃ in an argon environment.
2) 0.0002g N3 dye, 0.4610g of lead iodide, 0.1590g of methylamine hydroiodide and 10mL of DMSO solution were stirred uniformly to obtain a solution of 0.1mol/L of perovskite and 0.03mmol/L N3 dye.
3) Dropping 20 mu L of perovskite and N3 DMSO solution on FTO taking lithium iron phosphate as a substrate, drying in vacuum at 110 ℃, and then continuing dropping 20 mu L of perovskite and N3 solution and drying in vacuum at 110 ℃. A light-driven charging electrode is obtained.
4) Ag/AgCl is used as a reference electrode; a platinum sheet is used as a counter electrode; and connecting the prepared conductive surface of the light-driven charging electrode with a red copper electrode to serve as a working electrode. 2.1306g of sodium sulfate is added into 60mL of deionized water and stirred uniformly to obtain electrolyte. The photocurrent, photovoltage and light absorption properties of the electrode were tested separately. The obtained photocurrent, photovoltage and ultraviolet-visible spectrum curves are respectively shown in fig. 4-6, and the ternary lithium-rich material system can be found to have better solar energy utilization efficiency.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention in any way, and any person skilled in the art can make any simple modification, equivalent replacement, and improvement on the above embodiment without departing from the technical spirit of the present invention, and still fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. A ternary light-driven charging electrode material is characterized in that: the preparation method comprises the following steps:
(1) manufacturing a lithium iron phosphate substrate:
mixing LiFePO4Mixing SUPER P Li and PVDF according to a certain proportion, adding a proper amount of 1-methyl-2-pyrrolidone and alcohol, ball-milling, blade-coating on FTO, drying, and heating in an argon environment;
(2) preparation of perovskite and dye mixed solution:
uniformly mixing lead iodide, methylamine hydroiodide and N719 dye in DMSO to obtain a mixed solution of perovskite and N719 dye, namely a first solution;
uniformly mixing lead iodide, methylamine hydroiodide and N3 dye in DMSO to obtain a mixed solution of perovskite and N3 dye, which is a second solution;
(3) preparing a ternary light-driven electrode material:
dropwise adding a certain amount of the first solution on FTO (fluorine-doped tin oxide) taking lithium iron phosphate as a substrate, and drying in a vacuum oven; after drying, continuously dropwise adding a certain amount of the first solution, and drying in vacuum to obtain a first electrode;
dropwise adding a certain amount of solution II on FTO (fluorine-doped tin oxide) taking lithium iron phosphate as a substrate, and drying in a vacuum oven; after drying, continuously dropwise adding a certain amount of the second solution, and drying in vacuum to obtain a second electrode;
(4) preparing electrolyte:
adding sodium sulfate into deionized water, and stirring to obtain an electrolyte;
(5) connection and measurement of the electrodes:
taking a platinum sheet as a counter electrode; Ag/AgCl is used as a reference electrode; and (3) respectively connecting the red copper electrode with the electrode conducting surface prepared in the step (3) to be used as a working electrode, and respectively testing the photocurrent, the photovoltage and the light absorption performance of each electrode prepared in the step (3) by adopting the electrolyte prepared in the step (4).
2. The ternary light driven charging electrode material of claim 1, wherein: LiFePO in step (1)4The weight ratio of SUPER P Li to PVDF is 7:2: 1.
3. The ternary light driven charging electrode material of claim 1, wherein: in the step (2), when the first solution is prepared, the mass ratio of the components of lead iodide, methylamine hydroiodide and N719 dye is 10000:10000: 3.
4. The ternary light driven charging electrode material of claim 1, wherein: in the step (2), when the second solution is prepared, the mass ratio of the components of lead iodide, methylamine hydroiodide and N3 dye is 10000:10000: 3.
5. The ternary light driven charging electrode material of claim 1, wherein: in the step (3), the two dropping amounts of the solution I and the solution II are both 20 mu L.
6. The ternary light driven charging electrode material of claim 1, wherein: in the step (4), the concentration of sodium sulfate in the electrolyte is 0.25 mol/L.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111200177A (en) * | 2020-02-28 | 2020-05-26 | 南京信息工程大学 | Lead-halogen perovskite light-driven charging electrode and preparation method thereof |
| FI20186147A1 (en) * | 2018-12-31 | 2020-07-01 | Aalto Univ Foundation Sr | A double sided solar cell assembly |
| CN111740017A (en) * | 2020-08-06 | 2020-10-02 | 江西省科学院能源研究所 | Method for preparing perovskite solar cell light absorption layer film |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20186147A1 (en) * | 2018-12-31 | 2020-07-01 | Aalto Univ Foundation Sr | A double sided solar cell assembly |
| CN111200177A (en) * | 2020-02-28 | 2020-05-26 | 南京信息工程大学 | Lead-halogen perovskite light-driven charging electrode and preparation method thereof |
| CN111740017A (en) * | 2020-08-06 | 2020-10-02 | 江西省科学院能源研究所 | Method for preparing perovskite solar cell light absorption layer film |
Non-Patent Citations (2)
| Title |
|---|
| KUN XU，LEI ZHANG: ""Synergistic interactions between N3 dye and perovskite CH3NH3PbI3 for aqueous-based photoresponsiveness under visible light"", 《DYES AND PIGMENTS》 * |
| MINGHUA ZHANG,ET AL.: ""Improved Moisture Stability of Perovskite Solar Cells Using N719 Dye Molecules"", 《SOLAR RRL》 * |
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Application publication date: 20201225 |