CN104409217B - A kind of photocathode and the solar battery containing this photocathode - Google Patents
A kind of photocathode and the solar battery containing this photocathode Download PDFInfo
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- CN104409217B CN104409217B CN201410681731.7A CN201410681731A CN104409217B CN 104409217 B CN104409217 B CN 104409217B CN 201410681731 A CN201410681731 A CN 201410681731A CN 104409217 B CN104409217 B CN 104409217B
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- photocathode
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- conductive agent
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- 239000011149 active material Substances 0.000 claims abstract description 26
- 239000006258 conductive agent Substances 0.000 claims abstract description 20
- 239000011230 binding agent Substances 0.000 claims abstract description 19
- 239000003792 electrolyte Substances 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 24
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 17
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 17
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 15
- -1 polytetrafluoroethylene Polymers 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 206010070834 Sensitisation Diseases 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 230000008313 sensitization Effects 0.000 claims description 8
- XDXWNHPWWKGTKO-UHFFFAOYSA-N 207739-72-8 Chemical group C1=CC(OC)=CC=C1N(C=1C=C2C3(C4=CC(=CC=C4C2=CC=1)N(C=1C=CC(OC)=CC=1)C=1C=CC(OC)=CC=1)C1=CC(=CC=C1C1=CC=C(C=C13)N(C=1C=CC(OC)=CC=1)C=1C=CC(OC)=CC=1)N(C=1C=CC(OC)=CC=1)C=1C=CC(OC)=CC=1)C1=CC=C(OC)C=C1 XDXWNHPWWKGTKO-UHFFFAOYSA-N 0.000 claims description 7
- 229910032387 LiCoO2 Inorganic materials 0.000 claims description 7
- 229910002099 LiNi0.5Mn1.5O4 Inorganic materials 0.000 claims description 7
- 229910012700 LiTiPO4 Inorganic materials 0.000 claims description 7
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 229910052493 LiFePO4 Inorganic materials 0.000 claims description 6
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 5
- 239000006229 carbon black Substances 0.000 claims description 5
- 239000002041 carbon nanotube Substances 0.000 claims description 5
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 5
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 5
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 5
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910012516 LiNi0.4Co0.2Mn0.4O2 Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 229910001507 metal halide Inorganic materials 0.000 claims description 2
- 150000005309 metal halides Chemical class 0.000 claims description 2
- 229920006254 polymer film Polymers 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 229910001386 lithium phosphate Inorganic materials 0.000 abstract description 2
- 150000002736 metal compounds Chemical class 0.000 abstract description 2
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 abstract description 2
- 238000012827 research and development Methods 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 24
- 239000010408 film Substances 0.000 description 16
- 229940058401 polytetrafluoroethylene Drugs 0.000 description 14
- 235000019441 ethanol Nutrition 0.000 description 12
- 238000000227 grinding Methods 0.000 description 12
- 239000011521 glass Substances 0.000 description 8
- 239000006230 acetylene black Substances 0.000 description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 7
- 238000007605 air drying Methods 0.000 description 6
- 239000004570 mortar (masonry) Substances 0.000 description 6
- 230000003197 catalytic effect Effects 0.000 description 4
- 238000001291 vacuum drying Methods 0.000 description 4
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 150000004820 halides Chemical class 0.000 description 3
- 125000005843 halogen group Chemical group 0.000 description 3
- 229910052740 iodine Inorganic materials 0.000 description 3
- 239000011630 iodine Substances 0.000 description 3
- 229910052745 lead Inorganic materials 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 125000000250 methylamino group Chemical group [H]N(*)C([H])([H])[H] 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229910001228 Li[Ni1/3Co1/3Mn1/3]O2 (NCM 111) Inorganic materials 0.000 description 2
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910013467 LiNixCoyMnzO2 Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Hybrid Cells (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention belongs to technical field of solar batteries, and in particular to a kind of novel photocathode and the solar battery with this photocathode structure.For the photocathode by being adhered on collector and forming after active material, binder, conductive agent mixing, active material is lithium-transistion metal compound, compound one or more in lithium-phosphate.This photocathode can form solar battery with light anode, diaphragm, electrolyte.Battery weight is light, thickness is small, price is low, while having high density of photocurrent, provides a kind of scheme for the preparation research and development of flexible solar battery.
Description
Technical field
The invention belongs to technical field of solar batteries, and in particular to a kind of novel photocathode and have this photocathode
The solar battery of structure.
Background technique
Solar energy is pollution-free with its, without transport, without monopolization, maintenance is simple, operational safety and it is never exhausted the features such as, recognized
An optimal selection of lack of energy and environment two large problems is solved to be, thus each state all active development it is this it is green can
The renewable sources of energy.The solar battery research group of the leader of Lausanne, SUI engineering college professor Gratzel in 1991 develops success
Dye-sensitized solar cells (dye-sensitized solar cell, abbreviation DSSC).In Gratzel et al. to this kind
Under the continuously improving of solar battery, the photoelectric conversion efficiency of DSSC has reached 12.3%.Recently, perovskite sensitization solar electricity
Pond is rapidly reached 15%.Compared with now conventionally employed silicon solar cell, this novel low-cost, environment protection solar electricity
Pond has the advantages that can generating electricity indoors, accumulated generation amount is more, and low energy consumption, production process is pollution-free.
DSSC be usually by be adsorbed with the semiconductive thin film light anode of dyestuff, the electrolyte containing redox electronics pair and
Photocathode three parts are constituted.Traditional photocathode is made of substrate and catalytic active layer two parts, substrate generally use FTO or
ITO electro-conductive glass, catalytic active layer are generally Pt.Use electro-conductive glass as substrate one side higher cost, another aspect glass
Glass is thicker, increases the thickness and weight of battery, is unfavorable for lighting when battery installation.Although in addition, catalytic active layer platinum
Catalytic effect is fine, but Pt is sufficiently expensive, is not suitable for the following large-scale production and application, thus domestic and international researcher in recent years
Put forth effort to find the photocathode that inexpensive efficient Pt alternative materials are used as dye-sensitized solar cells.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of inexpensive efficient photocathode, and contain the photocathode
Dye-sensitized solar cells.
Photocathode material provided by the invention is made of active material, conductive agent, binder, wherein the weight of active material
Amount content is 50%-98%, and weight of binder content is 1%-20%, and conductive agent weight content is 1%-30%, by above-mentioned group
It is adhered to the photocathode that solar battery is formed on collector after dividing mixing,
Wherein, active material is lithium-transistion metal compound, compound one or more in lithium-phosphate, preferably
LiMn2O4, LiCoO2, LiFePO4, LiTiPO4, LiNi0.5Mn1.5O4, LiNixCoyMnzO2One of (wherein x+y+z ≈ 1)；
One of the preferred acetylene black of conductive agent, graphite, carbon black, carbon nanotube are a variety of；
Binder is in polytetrafluoroethylene (PTFE), Kynoar, polyhexafluoropropylene, butadiene-styrene rubber, sodium carboxymethylcellulose
It is one or more；
Collector is in aluminium, copper, nickel, stainless steel, the foil of titanium, web stock or sheet, carbon cloth, carbon paper, conducting resinl
One kind, preferably aluminium foil and copper foil.
The present invention also provides a kind of dye-sensitized solar cells containing above-mentioned photocathode.It is by photocathode, light anode
It is formed with electrolyte.Wherein light anode can be coated to electro-conductive glass by titania slurry, be then impregnated in dyestuff and obtained,
It can also be by with perovskite crystal form (ABX3) organic metal halide light absorbent be sensitized TiO2Light anode obtains；It is electrolysed
Matter ingredient is the electrolyte of conventional solar battery, can be solid electrolyte, gel state electrolyte or liquid electrolyte；This is too
Positive energy battery can contain diaphragm, and diaphragm is selected from PP-PE composite micro porous film, PTFE film, pvdf membrane, non-woven fabrics perforated membrane, glass
Glass tunica fibrosa, ceramic laminate, gel polymer film etc..
The beneficial effects of the invention are as follows replacing platinum as to electrode using active material, price is low, while improving photoelectric current
Density；Electro-conductive glass is substituted using collector, reduces cost, mitigates battery weight, reduces the thickness of battery, is flexible solar
The research of battery provides a kind of scheme, lighting when convenient for battery installation.
Detailed description of the invention
Fig. 1 is in embodiment 1, and use is with LiMn2O4The light for the solar battery that photocathode as active material is assembled into
Current density-photovoltage curve；
Fig. 2 is in embodiment 2, and use is with LiCoO2The light for the solar battery that photocathode as active material is assembled into
Current density-photovoltage curve；
Fig. 3 is in embodiment 4, and use is with LiTiPO4The solar battery that photocathode as active material is assembled into
Density of photocurrent-photovoltage curve；
Fig. 4 is in embodiment 5, and use is with LiNi0.5Mn1.5O4The solar-electricity that photocathode as active material is assembled into
The density of photocurrent in pond-photovoltage curve.
Specific embodiment
Embodiment 1
1, it prepares photocathode: taking LiMn2O4For active material, acetylene black is conductive agent, and polytetrafluoroethylene (PTFE) is binder, is pressed
According to active material: conductive agent: binder is that the weight ratio of 80:10:10 weighs a certain amount of LiMn2O4, acetylene black, polytetrafluoro
Ethylene, first by LiMn2O4It is placed in mortar with acetylene black, according to LiMn2O4: ethyl alcohol is added in the weight ratio that ethyl alcohol is 20:10,
Grinding uniformly, it is uniform then to add weighed polytetrafluoroethylene (PTFE) grinding.Obtained mixture is rolled on roll squeezer
The film of 0.25mm thickness, forced air drying 48h, 120 DEG C of vacuum drying 12h in 50 DEG C of baking ovens.Take certain volume (size: 5mm ×
5mm) film of quality, is pressed against on nickel screen with tablet press machine.
2, it prepares light anode: using commercially available TiO2Electrode, effective area 5mm*5mm.
3, select commercially available microporous polypropylene membrane as diaphragm.
4, using each component assembled battery in the present embodiment: diaphragm is covered on TiO2In light anode, it is thick that 300nm is added
Spiro-MeOTAD, then cover photocathode, be assembled into solar battery.
Embodiment 2
1, it prepares photocathode: taking LiCoO2For active material, graphite is conductive agent, and Kynoar is binder, according to
Active material: conductive agent: binder is that the weight ratio of 95:2:3 weighs a certain amount of LiCoO2, graphite, Kynoar, first
By LiCoO2It is placed in mortar with graphite, according to LiCoO2: ethyl alcohol is added in the weight ratio that ethyl alcohol is 20:10, and grinding is uniform, so
After to add the grinding of weighed Kynoar uniform.Obtained mixture is rolled into the thin of 0.25mm thickness on roll squeezer
Film, forced air drying 48h, 120 DEG C of vacuum drying 12h in 50 DEG C of baking ovens.This for taking certain volume (size: 5mm × 5mm) quality is thin
Film is pressed against on stainless steel with tablet press machine.
2, it prepares light anode: using commercially available TiO2Then electrode, effective area 5mm*5mm will contain PbX2With
CH3NH3The solution of I is spun to the TiO2It, can be in TiO on electrode2Obtaining on layer has perovskite crystal form (ABX3) organic gold
Belong to halide film.In this perovskite ABX3In structure, A is methylamino (CH3NH3), B be metal lead atom, X be chlorine, bromine,
The halogen atoms such as iodine.
3, select commercially available non-woven fabrics as diaphragm.
4, using each component assembled battery in the present embodiment: diaphragm being covered in sensitization light anode, it is thick that 300nm is added
Spiro-MeOTAD, then cover photocathode, be assembled into solar battery.
Embodiment 3
1, it prepares photocathode: taking LiFePO4For active material, carbon black is conductive agent, and polyhexafluoropropylene is binder, according to
Active material: conductive agent: binder is that the weight ratio of 85:5:10 weighs a certain amount of LiFePO4, carbon black, polyhexafluoropropylene,
First by LiFePO4It is placed in mortar with carbon black, according to LiFePO4: ethyl alcohol is added in the weight ratio that ethyl alcohol is 20:10, and grinding is equal
It is even, it is uniform then to add weighed polyhexafluoropropylene grinding.Obtained mixture is rolled into 0.25mm on roll squeezer
Thick film, forced air drying 48h, 120 DEG C of vacuum drying 12h in 50 DEG C of baking ovens.Take certain volume (size: 5mm × 5mm) quality
The film, be pressed against in titanium net with tablet press machine.
2, it prepares light anode: using commercially available TiO2Electrode, effective area 5mm*5mm.
3, select commercially available pvdf membrane as diaphragm.
4, using each component assembled battery in the present embodiment: diaphragm being covered in sensitization light anode, it is thick that 300nm is added
Spiro-MeOTAD, then cover photocathode, be assembled into solar battery.
Embodiment 4
1, it prepares photocathode: taking LiTiPO4For active material, carbon nanotube is conductive agent, and butadiene-styrene rubber is binder, is pressed
According to active material: conductive agent: binder is that the weight ratio of 92:4:4 weighs a certain amount of LiTiPO4, carbon nanotube, butylbenzene rubber
Glue, first by LiTiPO4It is placed in mortar with carbon nanotube, according to LiTiPO4: ethyl alcohol is added in the weight ratio that ethyl alcohol is 20:10,
Grinding uniformly, it is uniform then to add weighed butadiene-styrene rubber grinding.Obtained mixture is rolled on roll squeezer
The film of 0.25mm thickness, forced air drying 48h, 120 DEG C of vacuum drying 12h in 50 DEG C of baking ovens.Take certain volume (size: 5mm ×
5mm) film of quality, is pressed against on carbon-point with tablet press machine.
2, it prepares light anode: using commercially available TiO2Then electrode, effective area 5mm*5mm will contain PbX2With
CH3NH3The solution of I is spun to the TiO2It, can be in TiO on electrode2Obtaining on layer has perovskite crystal form (ABX3) organic gold
Belong to halide film.In this perovskite ABX3In structure, A is methylamino (CH3NH3), B be metal lead atom, X be chlorine, bromine,
The halogen atoms such as iodine.
3, select commercially available glass fibre membrane as diaphragm.
4, using each component assembled battery in the present embodiment: diaphragm being covered in sensitization light anode, it is thick that 300nm is added
Spiro-MeOTAD, then cover photocathode, be assembled into solar battery.
Embodiment 5
1, it prepares photocathode: taking LiNi0.5Mn1.5O4For active material, acetylene black is conductive agent, and sodium carboxymethylcellulose is
Binder, according to active material: conductive agent: binder is that the weight ratio of 88:7:5 weighs a certain amount of LiNi0.5Mn1.5O4、
Acetylene black, sodium carboxymethylcellulose, first by LiNi0.5Mn1.5O4It is placed in mortar with acetylene black, according to LiNi0.5Mn1.5O4: ethyl alcohol
Ethyl alcohol is added for the weight ratio of 20:10, grinding uniformly, it is uniform then to add weighed sodium carboxymethylcellulose grinding.
Obtained mixture is rolled into the film of 0.25mm thickness on roll squeezer, forced air drying 48h in 50 DEG C of baking ovens, 120 DEG C of vacuum
Dry 12h.The film for taking certain volume (size: 5mm × 5mm) quality, is pressed against on nickel screen with tablet press machine.
2, it prepares light anode: using commercially available TiO2Electrode, effective area 5mm*5mm.
3, select commercially available laminate as diaphragm.
4, using each component assembled battery in the present embodiment: diaphragm being covered in sensitization light anode, it is thick that 300nm is added
Spiro-MeOTAD, then cover photocathode, be assembled into solar battery.
Embodiment 6
1, it prepares photocathode: taking LiNi0.4Co0.2Mn0.4O2For active material, graphite is conductive agent, and polytetrafluoroethylene (PTFE) is viscous
Agent is tied, according to active material: conductive agent: binder is that the weight ratio of 95:3:2 weighs a certain amount of LiNi1/3Co1/3Mn1/ 3O2, graphite, polytetrafluoroethylene (PTFE), first by LiNi1/3Co1/3Mn1/3O2It is placed in mortar with graphite, according to LiNi0.4Co0.2Mn0.4O2:
Ethyl alcohol is added in the weight ratio that ethyl alcohol is 20:10, and grinding uniformly, it is uniform then to add weighed polytetrafluoroethylene (PTFE) grinding.
Obtained mixture is rolled into the film of 0.25mm thickness on roll squeezer, forced air drying 48h in 50 DEG C of baking ovens, 120 DEG C of vacuum
Dry 12h.The film for taking certain volume (size: 5mm × 5mm) quality, is pressed against in titanium net with tablet press machine.
2, it prepares light anode: using commercially available TiO2Then electrode, effective area 5mm*5mm will contain PbX2With
CH3NH3The solution of I is spun to the TiO2It, can be in TiO on electrode2Obtaining on layer has perovskite crystal form (ABX3) organic gold
Belong to halide film.In this perovskite ABX3In structure, A is methylamino (CH3NH3), B be metal lead atom, X be chlorine, bromine,
The halogen atoms such as iodine.
3, commercially available PVDF- ceramics are selected to roll composite membrane as diaphragm.
4, using each component assembled battery in the present embodiment: diaphragm being covered in sensitization light anode, it is thick that 300nm is added
Spiro-MeOTAD, then cover photocathode, be assembled into solar battery.
Claims (2)
1. a kind of solar battery, it is characterised in that: the solar battery is by light anode, electrolyte, diaphragm and time
Pole composition,
The photocathode is formed by being adhered on collector after active material, conductive agent, binder mixing,
Wherein, the active material is LiMn2O4、LiCoO2、LiFePO4、LiTiPO4、LiNi0.5Mn1.5O4Or
LiNi0.4Co0.2Mn0.4O2,
The conductive agent be one of graphite, carbon black, carbon nanotube or a variety of,
The binder is polytetrafluoroethylene (PTFE), in Kynoar, polyhexafluoropropylene, butadiene-styrene rubber, sodium carboxymethylcellulose
It is one or more,
The collector is aluminium, copper, nickel, stainless steel, the foil of titanium, web stock or sheet and carbon cloth, carbon paper, conducting resinl
One of,
After the active material, conductive agent, binder mixing, the weight content of active material is 50%-98%, binder weight
Amount content is 1%-20%, and conductive agent weight content is 1%-30%；
The light anode is the organic metal halide sensitization TiO of titanium dioxide dye sensitization light anode or perovskite crystal form2Light
Anode；
The electrolyte is Spiro-MeOTAD.
2. solar battery as described in claim 1, it is characterised in that: the diaphragm is PP-PE composite micro porous film, PTFE
Film, pvdf membrane, non-woven fabrics perforated membrane, glass fibre membrane or gel polymer film.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410681731.7A CN104409217B (en) | 2014-11-24 | 2014-11-24 | A kind of photocathode and the solar battery containing this photocathode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410681731.7A CN104409217B (en) | 2014-11-24 | 2014-11-24 | A kind of photocathode and the solar battery containing this photocathode |
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| CN104409217B true CN104409217B (en) | 2019-01-15 |
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| CN105551804A (en) * | 2016-01-28 | 2016-05-04 | 常州大学 | Photocathode and quantum dot-sensitized solar cell comprising same |
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| CN106252082A (en) * | 2016-08-02 | 2016-12-21 | 北京理工大学 | A kind of natural dye-sensitized solar cell device and preparation method thereof |
| CN107818871A (en) * | 2017-10-26 | 2018-03-20 | 江苏财经职业技术学院 | A kind of preparation method of DSSC to electrode |
| CN109637813B (en) * | 2018-11-12 | 2020-08-04 | 华东师范大学 | Sunlight sea water assisting battery and preparation method thereof |
| CN109881212B (en) * | 2019-01-17 | 2021-04-20 | 东北师范大学 | Preparation method of organic metal halide perovskite photo-anode |
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