CN108413625B - A kind of improved solar battery board heat collector - Google Patents

A kind of improved solar battery board heat collector Download PDF

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CN108413625B
CN108413625B CN201810137935.2A CN201810137935A CN108413625B CN 108413625 B CN108413625 B CN 108413625B CN 201810137935 A CN201810137935 A CN 201810137935A CN 108413625 B CN108413625 B CN 108413625B
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solar panel
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CN108413625A (en
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杨金源
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Wenling Hefeng shoes material Co., Ltd
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Wenling Hefeng Shoes Material Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

Abstract

The present invention relates to a kind of improved solar battery board heat collectors, including solar panel, heat-conducting glue layer, thermally conductive rubber mat, thermal-collecting tube, thermal insulation material and water tank;Heat-conducting glue layer is arranged below in the solar panel;Thermally conductive rubber mat is connected with below heat-conducting glue layer;Thermal-collecting tube is arranged below in thermally conductive rubber mat;Water tank is located at solar panel upper end, and the thermal-collecting tube upper end is connected to water tank;Heat collector periphery is equipped with thermal insulation material in addition to solar panel;The solar panel is dye-sensitized solar cells, including light anode, the light anode include FTO substrate, is equipped with TiO in FTO substrate surface2Composite layer, TiO2Composite layer adsorption has dyestuff;The TiO2Composite layer includes Pt/In2O3/TiO2Nucleocapsid hollow sphere, wherein TiO2Hollow sphere is as shell structure, Pt nano particle, In2O3Nano particle is as nuclear structure, by TiO2Hollow sphere cladding.

Description

A kind of improved solar battery board heat collector
Technical field
The present invention relates to solar thermal collector technical field more particularly to a kind of improved solar battery board heat collectors.
Background technique
Solar energy resources are not limited solely to professional neck as cleaning, inexhaustible renewable energy, utility value Domain, such as photovoltaic power generation, photo-thermal heating etc..In the utilization of solar energy resources, solar photovoltaic generation system is occupied very Most of, the radiation energy being irradiated on solar panel has 80% or more to be converted into thermal energy, this partial heat energy will affect light The generating efficiency of volt system, and this partial heat energy adequately can be collected and be used, the utilization of resources can be made Rate is substantially improved.Stage now, solar panel are used only for photovoltaic power generation, and solar thermal collector is also to be served only for water Heating, and the related fields of the two are contacted, it is radiated at so that solar panel while power generation, collects sunlight The heat of solar panel can be heated for domestic water, achieve the purpose that photo-thermal is dual-purpose.
Summary of the invention
The present invention is intended to provide a kind of improved solar battery board heat collector, set forth above to solve the problems, such as.
Provide a kind of improved solar battery board heat collector in the embodiment of the present invention, including solar panel, Heat-conducting glue layer, thermally conductive rubber mat, thermal-collecting tube, thermal insulation material and water tank;Heat-conducting glue layer is arranged below in the solar panel;It leads Thermally conductive rubber mat is connected with below hot glue layer;Thermal-collecting tube is arranged below in thermally conductive rubber mat;Water tank is located at solar panel upper end, institute Thermal-collecting tube upper end is stated to be connected to water tank;Heat collector periphery is equipped with thermal insulation material in addition to solar panel;The sun Energy solar panel is dye-sensitized solar cells, including light anode, the light anode include FTO substrate, are set in FTO substrate surface There is TiO2Composite layer, TiO2Composite layer adsorption has dyestuff;The TiO2Composite layer includes Pt/In2O3/TiO2 Nucleocapsid hollow sphere, wherein TiO2Hollow sphere is as shell structure, Pt nano particle, In2O3Nano particle is as nuclear structure, by TiO2 Hollow sphere cladding.
The technical solution that the embodiment of the present invention provides can include the following benefits:
The present invention will be changed by installing thermal-collecting tube additional in Solar panel backside using the thermal insulation material of good heat insulating Surface covering treatment is carried out into the part of device, while isothermal holding is carried out to stainless steel water tank surface, reaches and avoids collecting The purpose of heat loss improves luminous energy so as to make full use of the energy generated on the be radiated at solar panel of sunlight Utilization rate.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.It should be understood that above general description and following detailed description are only Be it is exemplary and explanatory, the present invention can not be limited.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings Other attached drawings.
Fig. 1 is the structural schematic diagram of solar battery board heat collector described in embodiment of the present invention,
Wherein, 1- solar panel, 2- heat-conducting glue layer, the thermally conductive rubber mat of 3-, 4- thermal-collecting tube, 5- stainless steel water tank, 6- Thermal insulation material.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended The example of device and method being described in detail in claims, some aspects of the invention are consistent.
The embodiment of the present invention is related to a kind of improved solar battery board heat collector, in conjunction with Fig. 1, including solar battery Plate 1, heat-conducting glue layer 2, thermally conductive rubber mat 3, thermal-collecting tube 4, thermal insulation material 6 and water tank 5;The solar panel, which is arranged below, leads Hot glue layer;Thermally conductive rubber mat is connected with below heat-conducting glue layer;Thermal-collecting tube is arranged below in thermally conductive rubber mat;Water tank is located at solar battery Plate upper end, the thermal-collecting tube upper end are connected to water tank 5;Heat collector periphery is equipped with thermal insulating material in addition to solar panel Material.
Specifically: the power circuit at 1 back side of solar panel is carried out to arrange arrangement and fixation, in solar panel One layer of heat-conducting glue layer 2 is smeared at 1 back side, and places thermally conductive rubber mat 3, is glued solar panel 1 and thermally conductive rubber mat 3 with seccotine Even.Thermal-collecting tube 4 is laid on to the back side of thermally conductive rubber mat 3, is fixed with seccotine.The top of thermal-collecting tube 4 and stainless steel water storage Case 5 is connected to, and guarantees that the cold water in stainless steel water tank 5 can flow into thermal-collecting tube 4, the hot water in thermal-collecting tube 4 can flow into stainless steel In water tank 5.Stainless steel water tank 5 is fixedly connected with solar panel 1 using stainless steel bolt, detachably.To solar energy Solar panel 1, heat-conducting glue layer 2, the part and stainless steel water tank 5 that thermally conductive rubber mat 3 and thermal-collecting tube 4 are linked together use Thermal insulation material 6, carries out isothermal holding, and thermal insulation material 6 is phenolic foam material;The place for needing to be sealed processing is used close Sealing is sealed processing.
Technical solution of the present invention makes full use of on the basis of reducing the temperature of solar panel to improve generating efficiency Waste heat on solar panel.
Specifically, the solar panel 1 is dye-sensitized solar cells, which includes And to electrode and to the light anode of electrode contraposition be maintained to electrolyte layer between electrode and light anode.
As a part of the invention, the dye-sensitized solar cells has the advantages that make simple, at low cost, In Under various illumination, dye sensitizing agent can reach saturation state, have stronger environmental suitability, and the solar battery Operating temperature range is wider, adaptable.
In general dye-sensitized solar cells includes to electrode, light anode and electrolyte layer.Light anode is also referred to as work Make electrode, light anode generally includes oxide semiconductor film, most typically coats one layer of 20-30nm's on FTO glass TiO210 μm of film of nano particle composition.It is the core component of battery, and sensitizer is adsorbed on TiO2On nano thin-film, use To absorb sunlight.Currently, dye-sensitized solar cells is still unable to reach the requirement of industrialized production, TiO2Light anode conduct The core component of DSSCs is the key factor for determining solar cell photoelectric transfer efficiency, therefore, using diversified preparation Technology and the methods of doping, compound are to improve TiO2To the effective rate of utilization of sunlight, improve photoelectric conversion efficiency is light anode DSSCs important developing way at present.
It based on the above background, is raising photoelectric conversion efficiency, in technical solution of the present invention, the dye-sensitized solar cells Light anode include FTO substrate, FTO substrate surface be equipped with TiO2Composite layer, TiO2Composite layer adsorption is had illicit sexual relations Material;The TiO2Composite layer includes Pt/In2O3/TiO2Nucleocapsid hollow sphere, wherein TiO2Hollow sphere is as shell structure, and Pt nanometers Particle, In2O3Nano particle is as nuclear structure, by TiO2Hollow sphere cladding.
Specifically, the TiO2Composite layer thickness is 5 μm.
Titanium dioxide is a kind of direct band-gap semicondictor transition metal oxide that forbidden bandwidth at room temperature is 3.2eV, With many practical applications.In traditional field such as pigment, toothpaste, coating and in recent years fast-developing photoelectrochemical cell, dyestuff Sensitization solar battery, photocatalysis, antibacterial, gas sensor, feds, microwave absorbing material etc., which have, widely answers With.In the prior art, TiO2Film is the primary consideration of DSSCs photo-anode film, TiO2It is steady with preferable physical chemistry It is qualitative, strong acid-base resistance corrosion, and the TiO of nano-scale2Charge transmission separation, in terms of all show it is excellent Performance.The TiO being prepared by various methods2Film attempt be applied to optoelectronic pole, such as control nanotopography, ion doping, Semiconductors coupling, noble metal decorated etc..
Indium oxide is equally a kind of important semiconductor material, has very wide forbidden bandwidth, and lesser resistance is lower Electron affinity energy, higher conductivity and catalytic activity are widely used in the fields such as photoelectricity, gas sensing, catalyst.This In inventive technique scheme, by TiO2In is arranged in hollow ball inside2O3Nano particle, Pt nano particle generate plasma and increase It is potent to answer, be conducive to increase density of photocurrent, meanwhile, the range of absorption peak is extended, unexpected technical effect is produced.
Specifically, the TiO2Hollow sphere partial size is 500nm, the Pt nano particle, In2O3The partial size of nano particle is equal For 20nm.
In the TiO2In composite material, the Pt nano particle and TiO2Mass ratio is 2.7%, the In2O3Nano particle with TiO2Mass ratio is 7.3%.
Under above-mentioned size and mass ratio, the TiO2Composite material produces unexpected technical effect, can The recombination probability of photo-generated carrier is effectively reduced, positive shadow is generated for the raising of photoelectric conversion efficiency and short-circuit current density It rings.
In the present invention, the preparation process of the light anode are as follows:
S1 prepares TiO2Hollow sphere predecessor:
150ml ethyl alcohol and 100ml acetonitrile are mixed, 1.04g ultrapure water is added thereto, then 0.4g, matter are added thereto The ammonia spirit that score is 25wt.% is measured, then, the isopropyl titanate of 5ml is added thereto under fast stirring, it is lasting to stir 12h, the TiO of formation2Hollow sphere predecessor passes through ethanol solution centrifuge washing 3 times, finally, centrifugal sediment, with ultrapure water from The heart washs 3 times, obtains TiO2Hollow sphere predecessor;
S2 prepares In2O3Nano particle
By 0.19g water and indium nitrate (In (NO3)3·4.5H2O) solid powder is dissolved in the dimethylformamide of 20ml, Mixed solution is formed, 30min is stirred at room temperature, the urea of 0.6g is added in above-mentioned mixed solution, continues to stir 3h, then Sealing, by its 110 DEG C heating for 24 hours, after reaction, natural cooling, then successively spend example water, dehydrated alcohol washing, Centrifugation is cleaned 5 times, will be put into Muffle furnace respectively after centrifugation product drying in 250 DEG C, 550 DEG C of annealing 3h, 5h, is obtained In2O3Nano particle;
S3 prepares Pt/In2O3/TiO2Nucleocapsid hollow sphere
Taking concentration is the H of 5mM, 10ml2PtCl6·6H2O is added it to vigorous stirring in the ultrapure water of 190ml, Then above-mentioned TiO is added according to mass ratio2Hollow sphere predecessor, In2O3Nano particle obtains suspension, stirs at room temperature 6h is collected by centrifugation sediment and is dried at room temperature for 5h;
Dried sediment is dispersed in the ultrapure water of 40ml, then the ammonium fluoride of 0.17g is added thereto, stirring The polyvinylpyrrolidone of 0.18g is added in 2h, continues to be transferred in ptfe autoclave after stirring 3h, reaction kettle is at 120 DEG C Lower heat preservation 5h makes product crystallize and etch, to after the reaction was completed, obtain solution A;
The 10mM sodium citrate of 5ml, the 10mM sodium borohydride of 3ml, 160ml ultrapure water are mixed, form mixed solution, so Solution A is added thereto afterwards, in 93 DEG C of stirring 30h, after reaction, by the gained sediment NaOH solution of 1mM and ultrapure Water centrifuge washing, then anneal at 390 DEG C 5h again, obtains Pt/In2O3/TiO2Nucleocapsid hollow sphere;
S4 prepares light anode
By the Pt/In of 0.24g2O3/TiO2The dehydrated alcohol mixing of nucleocapsid hollow sphere, the terpinol of 0.88g and 1.5ml is equal It is even, obtain mixture B;
Then 0.15g ethyl cellulose is taken, is dissolved in dehydrated alcohol, the viscous solution of 10wt.% is configured to;
Viscous solution is added in said mixture B, slurry C is obtained, slurry C is then ground into 20min in mortar, Slurry C, is spin-coated on the FTO cleaned by stirring and each 30min of ultrasound with sol evenning machine in magnetic agitation and ultrasonic cleaner On glass, repeats spin coating several times, reach the thickness requirement of working electrode film;
By the good FTO glass of spin coating in 120 DEG C of dry 5h, then in 250 DEG C of calcining 5min, 280 DEG C of calcinings 5min, 340 DEG C calcining 50min, 400 DEG C of calcining 15min, 500 DEG C of calcining 20min;
Then FTO glass is immersed in the acetonitrile and tert-butyl alcohol mixed solution of 0.05mM dyestuff N-719, acetonitrile and tertiary fourth Alcohol volume ratio is 1:1, stops for 24 hours, dries after taking-up, obtains the light anode.
In the present invention, the electrolyte layer is the electrolyte dissolved with oxidation-reduction system, wherein the oxidation-reduction system At least one reversible redox state is caused to change, for example, redox couple can be I-/I3 -、Br-/Br2Equal halogens, Copper (I) ion/copper (II) ion etc..
In the present invention, described is Pt to electrode to electrode.
Enumerate embodiment further below with the present invention will be described in detail.It will similarly be understood that following embodiment is served only for this Invention is further described, and should not be understood as limiting the scope of the invention, those skilled in the art is according to this hair Some nonessential modifications and adaptations that bright above content is made all belong to the scope of protection of the present invention.Following examples are specific Technological parameter etc. is also only an example in OK range, i.e. those skilled in the art can be done properly by the explanation of this paper In the range of select, and do not really want to be defined in hereafter exemplary specific value.
Embodiment 1
In the present embodiment, the light anode of the dye-sensitized solar cells includes FTO substrate, is equipped in FTO substrate surface TiO2Composite layer, TiO2Composite layer adsorption has dyestuff.
Specifically, the TiO2Composite layer thickness is 5 μm.
The TiO2Composite layer includes Pt/In2O3/TiO2Nucleocapsid hollow sphere, wherein TiO2Hollow sphere as shell structure, Pt nano particle, In2O3Nano particle is as nuclear structure, by TiO2Hollow sphere cladding.
Specifically, the TiO2Hollow sphere partial size is 500nm, the Pt nano particle, In2O3The partial size of nano particle is equal For 20nm;Pt nano particle/the TiO2Mass ratio is 2.7%, the In2O3Nano particle/TiO2Mass ratio is 7.3%.
The preparation process of the light anode are as follows:
S1 prepares TiO2Hollow sphere predecessor:
150ml ethyl alcohol and 100ml acetonitrile are mixed, 1.04g ultrapure water is added thereto, then 0.4g, matter are added thereto The ammonia spirit that score is 25wt.% is measured, then, the isopropyl titanate of 5ml is added thereto under fast stirring, it is lasting to stir 12h, the TiO of formation2Hollow sphere predecessor passes through ethanol solution centrifuge washing 3 times, finally, centrifugal sediment, with ultrapure water from The heart washs 3 times, obtains TiO2Hollow sphere predecessor;
S2 prepares In2O3Nano particle
By 0.19g water and indium nitrate (In (NO3)3·4.5H2O) solid powder is dissolved in the dimethylformamide of 20ml, Mixed solution is formed, 30min is stirred at room temperature, the urea of 0.6g is added in above-mentioned mixed solution, continues to stir 3h, then Sealing, by its 110 DEG C heating for 24 hours, after reaction, natural cooling, then successively spend example water, dehydrated alcohol washing, Centrifugation is cleaned 5 times, will be put into Muffle furnace respectively after centrifugation product drying in 250 DEG C, 550 DEG C of annealing 3h, 5h, is obtained In2O3Nano particle;
S3 prepares Pt/In2O3/TiO2Nucleocapsid hollow sphere
Taking concentration is the H of 5mM, 10ml2PtCl6·6H2O is added it to vigorous stirring in the ultrapure water of 190ml, Then above-mentioned TiO is added according to mass ratio2Hollow sphere predecessor, In2O3Nano particle obtains suspension, stirs at room temperature 6h is collected by centrifugation sediment and is dried at room temperature for 5h;
Dried sediment is dispersed in the ultrapure water of 40ml, then the ammonium fluoride of 0.17g is added thereto, stirring The polyvinylpyrrolidone of 0.18g is added in 2h, continues to be transferred in ptfe autoclave after stirring 3h, reaction kettle is at 120 DEG C Lower heat preservation 5h makes product crystallize and etch, to after the reaction was completed, obtain solution A;
The 10mM sodium citrate of 5ml, the 10mM sodium borohydride of 3ml, 160ml ultrapure water are mixed, form mixed solution, so Solution A is added thereto afterwards, in 93 DEG C of stirring 30h, after reaction, by the gained sediment NaOH solution of 1mM and ultrapure Water centrifuge washing, then anneal at 390 DEG C 5h again, obtains Pt/In2O3/TiO2Nucleocapsid hollow sphere;
S4 prepares light anode
By the Pt/In of 0.24g2O3/TiO2The dehydrated alcohol mixing of nucleocapsid hollow sphere, the terpinol of 0.88g and 1.5ml is equal It is even, obtain mixture B;
Then 0.15g ethyl cellulose is taken, is dissolved in dehydrated alcohol, the viscous solution of 10wt.% is configured to;
Viscous solution is added in said mixture B, slurry C is obtained, slurry C is then ground into 20min in mortar, Slurry C, is spin-coated on the FTO cleaned by stirring and each 30min of ultrasound with sol evenning machine in magnetic agitation and ultrasonic cleaner On glass, repeats spin coating several times, reach the thickness requirement of working electrode film;
By the good FTO glass of spin coating in 120 DEG C of dry 5h, then in 250 DEG C of calcining 5min, 280 DEG C of calcinings 5min, 340 DEG C calcining 50min, 400 DEG C of calcining 15min, 500 DEG C of calcining 20min;
Then FTO glass is immersed in the acetonitrile and tert-butyl alcohol mixed solution of 0.05mM dyestuff N-719, acetonitrile and tertiary fourth Alcohol volume ratio is 1:1, stops for 24 hours, dries after taking-up, obtains the light anode.
The electrolyte layer is the electrolyte dissolved with oxidation-reduction system, and wherein the oxidation-reduction system causes at least one The reversible redox state variation of kind, for example, redox couple can be I-/I3 -、Br-/Br2Equal halogens, copper (I) ion/ Copper (II) ion etc..
Described is Pt to electrode to electrode.
Embodiment 2
Referring to embodiment 1, the difference is that the TiO2Composite layer includes In2O3/TiO2Nucleocapsid hollow sphere, i.e., There is no Pt nano particle.
Embodiment 3
Referring to embodiment 1, the difference is that the TiO2Composite layer includes Pt/TiO2Nucleocapsid hollow sphere, that is, do not have In2O3Nano particle.
The photoelectric properties of dye-sensitized solar cells mainly by short-circuit current density-open-circuit voltage of measurement battery Lai Performance, test are carried out under the irradiation of mock standard sunlight, under the standard sources of AM1.5, too to gained dye sensitization Positive energy battery performance is tested, and the results are shown in Table 1, and recording parameters have open-circuit voltage, short circuit current, transfer efficiency, therefrom It is found that embodiment 2,3 is compared, the dye-sensitized solar cells that the embodiment of the present invention 1 obtains photoelectric conversion effect with higher Rate.
The performance characterization result of the solar battery of 1 embodiment 1-3 of table
The foregoing is merely preferred modes of the invention, are not intended to limit the invention, all in spirit and original of the invention Within then, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (2)

1. a kind of improved solar battery board heat collector, which is characterized in that including solar panel, heat-conducting glue layer, thermally conductive Rubber mat, thermal-collecting tube, thermal insulation material and water tank;Heat-conducting glue layer is arranged below in the solar panel;Connect below heat-conducting glue layer It is connected to thermally conductive rubber mat;Thermal-collecting tube is arranged below in thermally conductive rubber mat;Water tank is located at solar panel upper end, the thermal-collecting tube upper end It is connected to water tank;Heat collector periphery is equipped with thermal insulation material in addition to solar panel;The solar panel is dye Expect sensitization solar battery, including light anode, the light anode include FTO substrate, is equipped with TiO in FTO substrate surface2Composite wood The bed of material, TiO2Composite layer adsorption has dyestuff;The TiO2Composite layer includes Pt/In2O3/TiO2Nucleocapsid hollow sphere, Wherein, TiO2Hollow sphere is as shell structure, Pt nano particle, In2O3Nano particle is as nuclear structure, by TiO2Hollow sphere cladding; The TiO2Composite layer thickness is 5 μm, the TiO2Hollow sphere partial size is 500nm, the Pt nano particle, In2O3Nanometer The partial size of particle is 20nm, the TiO2In composite material, the Pt nano particle and TiO2Mass ratio is 2.7%, described In2O3Nano particle and TiO2Mass ratio is 7.3%;
The preparation process of the light anode are as follows:
S1 prepares TiO2Hollow sphere predecessor:
150ml ethyl alcohol and 100ml acetonitrile are mixed, 1.04g ultrapure water is added thereto, then 0.4g, quality point are added thereto Number is the ammonia spirit of 25wt.%, then, the isopropyl titanate of 5ml is added thereto under fast stirring, persistently stirs 12h, The TiO of formation2Hollow sphere predecessor passes through ethanol solution centrifuge washing 3 times, finally, centrifugal sediment, is washed with ultrapure water centrifugation It washs 3 times, obtains TiO2Hollow sphere predecessor;
S2 prepares In2O3Nano particle
By 0.19g water and indium nitrate (In (NO3)3·4.5H2O) solid powder is dissolved in the dimethylformamide of 20ml, is formed 30min is stirred at room temperature in mixed solution, and the urea of 0.6g is added in above-mentioned mixed solution, continues to stir 3h, then close Envelope, by its 110 DEG C heating for 24 hours, after reaction, natural cooling, then successively washed with deionized water, dehydrated alcohol, from The heart cleans 5 times, will be put into Muffle furnace respectively after centrifugation product drying in 250 DEG C, 550 DEG C of annealing 3h, 5h, obtains In2O3 Nano particle;
S3 prepares Pt/In2O3/TiO2Nucleocapsid hollow sphere
Taking concentration is the H of 5mM, 10ml2PtCl66H2O is added it in the ultrapure water of 190ml, then with vigorous stirring Above-mentioned TiO is added according to mass ratio2Hollow sphere predecessor, In2O3Nano particle obtains suspension, stirs 6h at room temperature, Sediment is collected by centrifugation and is dried at room temperature for 5h;
Dried sediment is dispersed in the ultrapure water of 40ml, then the ammonium fluoride of 0.17g is added thereto, 2h is stirred, adds The polyvinylpyrrolidone for entering 0.18g continues to be transferred in ptfe autoclave after stirring 3h, and reaction kettle is protected at 120 DEG C Warm 5h makes product crystallize and etch, to after the reaction was completed, obtain solution A;
The 10mM sodium citrate of 5ml, the 10mM sodium borohydride of 3ml, 160ml ultrapure water are mixed, mixed solution is formed, then will Solution A is added thereto, in 93 DEG C of stirring 30h, after reaction, by the gained sediment NaOH solution of 1mM and ultrapure water from Heart washing, then anneal at 390 DEG C 5h again, obtains Pt/In2O3/TiO2Nucleocapsid hollow sphere;
S4 prepares light anode
By the Pt/In of 0.24g2O3/TiO2The dehydrated alcohol of nucleocapsid hollow sphere, the terpinol of 0.88g and 1.5ml is uniformly mixed, and is obtained To mixture B;
Then 0.15g ethyl cellulose is taken, is dissolved in dehydrated alcohol, the viscous solution of 10wt.% is configured to;
Viscous solution is added in said mixture B, slurry C is obtained, slurry C is then ground into 20min in mortar, in magnetic Slurry C, is spin-coated on the FTO glass cleaned by stirring and each 30min of ultrasound with sol evenning machine in power stirring and ultrasonic cleaner On, it repeats spin coating several times, reaches the thickness requirement of working electrode film;
By the good FTO glass calcining of spin coating, FTO glass is then immersed in the acetonitrile of 0.05mM dyestuff N-719 and the tert-butyl alcohol mixes It closes in solution, acetonitrile and tert-butyl alcohol volume ratio are 1:1, stop for 24 hours, dry after taking-up, obtain the light anode.
2. solar battery board heat collector according to claim 1, which is characterized in that in S4, by the good FTO glass of spin coating Calcining, the calcination process are as follows: by the good FTO glass of spin coating in 120 DEG C of dry 5h, then in 250 DEG C of calcining 5min, 280 DEG C Calcine 5min, 340 DEG C of calcining 50min, 400 DEG C of calcining 15min, 500 DEG C of calcining 20min.
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