CN102842439A - Pine-tree solar cell landscape tree - Google Patents
Pine-tree solar cell landscape tree Download PDFInfo
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- CN102842439A CN102842439A CN2012103180098A CN201210318009A CN102842439A CN 102842439 A CN102842439 A CN 102842439A CN 2012103180098 A CN2012103180098 A CN 2012103180098A CN 201210318009 A CN201210318009 A CN 201210318009A CN 102842439 A CN102842439 A CN 102842439A
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- solar cell
- tree
- pine
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- branch
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/542—Dye sensitized solar cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Abstract
The invention in particular provides a pine-tree solar cell landscape tree, which belongs to the field of solar photovoltaic. The pine-tree solar cell landscape tree comprises a trunk, branches and leaves, wherein the trunk, the branches and the leaves are sealed by high molecular rubbers and connected with each other by reserved ports; the trunk is a copper wire coated by hard plastic; the branches are copper wires coated by soft plastics; the leaves are dye-sensitized solar cells packaged by transparent glass tubes or plastic tubes; the cells are connected with each other in parallel; and the dye-sensitized solar cells among different branches are connected with each other in parallel. The pine-tree solar cell landscape tree provided by the invention can be used for collecting lights from each spatial direction, so that the sunlight utilization efficiency is increased; a defect of larger space usage of a flat-plate solar cell in the large-area application process is overcome; a making process is simple; meanwhile, the solar cell tree can be used as landscape trees for beautifying environments outdoors.
Description
Technical field
The invention belongs to the photovoltaic field, be specifically related to a kind of pine tree shape solar cell landscape tree.
Background technology
Solar energy is that new energy development utilizes most active fields, and one of important channel of solar energy utilization is the research and development solar cells.Traditional solar cell (comprising silicon solar cell, thin film solar cell, organic photovoltaic cell and dye-sensitized solar cells) generally adopts planar structure; Although scientist is devoted to improve the efficient of panel solar battery always; But the panel solar battery has the shortcoming that self can't overcome; As can not in narrow space, use, floor space is bigger; Dependence to the solar energy incidence angle is stronger, and the utilance of sunlight is low etc.Therefore, want to make full use of clean solar and come alleviating energy crisis, how to solve a large amount of floor spaces and the usage space of solar cell, and to improve its utilance to sunlight be a vital problem.
At present, all kinds of novel solar cells also constantly are in the news, and wait like professor Zou Dechun and have invented the fibrous DSSC [[i]] that weaves, and professor Wang Zhonglin etc. have reported the three-dimensional DSSC [[ii]] of fiber-based.We notice that occurring in nature cdear tree taked the needle structure of three-dimensional daylighting formula effectively to utilize sunlight, receive the inspiration of the Nature, and we have developed needle-like DSSC [[iii]].In addition, we find that also cdear tree has rational phyllotaxy to arrange, the three-dimensional lighting structure of needle can be from the space all directions extinction, and to the sunlight azimuth with shelter from heat or light insensitive.Half side face of cylinder of needle can receive sunlight, and the side face of cylinder at the back side can absorb in the surrounding environment scattered light with diffuse, realized the reasonable use of solar energy.The structure of cdear tree has played useful reference function (as shown in Figure 1) to developing novel solar cell.If with pine needle shape solar cell and be unified into pine needle phyllotaxy structure; And then further and be linked to be pine branch with every group of batteries in parallel connection; Just can be assembled at last " the artificial pine tree " of having overworked a lot of pine needle shape solar cells; Then can all directions daylighting in whole day from the space, thus realize pine needle shape solar cell " can weave " on stereochemical structure.
The present invention proposes a kind of pine tree shape solar cell landscape tree; Solved the utilance low and floor space bigger shortcoming of flat plate cell to sunlight; And manufacture craft is simple; Cost is low, helps the large tracts of land commercial applications of solar cell, simultaneously also can be outdoor as a kind of landscape tree of beautifying the environment.
Summary of the invention
To the existing problem and shortage of panel solar battery, the object of the present invention is to provide a kind of pine tree shape solar cell landscape tree.This solar cell tree can be realized " can weave " on the stereochemical structure from daylighting on all directions on every side on the one hand; Can on area identical, increase the utilance that thereby effective daylighting area in space has been improved sunlight on the other hand, practice thrift the floor space of solar cell; Simultaneously also can be outdoor as a kind of landscape tree of beautifying the environment.
A kind of pine tree shape solar cell landscape tree provided by the invention comprises trunk, branch, leaf three parts, connects with polymer rubber sealing or use spare interface between three parts; Wherein, said trunk is the copper cash of rigid plastics parcel, and said branch is the copper cash of flexible plastic parcel, and branch is 4～15, and said leaf is the DSSC of transparent glass tube or plastic tube encapsulation, is about 3.5～4.5cm.DSSC is total up to 20～60 on the said branch, and DSSC is parallel with one another on the said leaf, and DSSC is parallel with one another between said different branches.
Among the present invention, connect the plastics flower on the branch of said pine tree shape solar cell landscape tree.
Among the present invention, the DSSC that uses in the said leaf, by work electrode, electrode and electrolyte are formed, said work electrode, to parallel transparent glass tube or the plastic tube of placing of electrode; Wherein, said work electrode comprises thread conductive substrates 1 and the semiconductive thin film 2 that is coated on its outside, and said thread conductive substrates 1 adopts wire or conductive fiber, preferred titanium, nickel, stainless steel, conductive carbon fibre, and diameter is 0.2
~0.4mm; Said semiconductive thin film 2 is TiO
2Or ZnO, thickness is 10
~20 μ m.Work electrode is to utilize anodic oxidation, applies, lifts or method such as spraying is coated on the conductive substrates outer surface with it, afterwards with its sintering, places the dyestuff sensitization to obtain then.Said has been platinum filament, nickel wire, copper wire or the spun gold of catalysis and electric transmission effect to electrode 3, or load the wire or the conductive fiber of platinum, nickel etc.Said electrolyte 4 adopts the I with redox
2With/I
-Solution, perhaps solid-state hole mobile material CuI or CuSCN (Fig. 2).
During use, the lead that conductance is good (like copper cash) is drawn after bonding with the positive and negative electrode welding of pine tree shape solar cell of the present invention tree or electrocondution slurry respectively, inserts load, can under illumination, work.The electrical power storage that perhaps phototransformation is obtained can be used under the situation of illumination not having in storage battery.
The operation principle of pine tree shape DSSC of the present invention is: behind the sensitizing dyestuff of irradiate light to the pine needle shape dye-sensitized solar cell anode, it is right to produce light induced electron-hole, passes through TiO then
2Separate I
-Ion is oxidized to I by the hole
3 -Ion, electronics is collected by conductive substrates and is transmitted to electrode along external circuit, gets back to then in the electrolyte, again with the I in the electrolyte
3 -Be reduced to I
-Ion, thus circulation accomplished, so just can obtain certain output current and voltage.Connection in series-parallel through pine needle shape DSSC becomes the pine tree shape, just can obtain higher power output.
Pine tree shape solar cell landscape tree of the present invention can all directions daylighting from the space; Improved the utilization ratio of sunlight; Overcome the bigger shortcoming of floor space in the panel solar battery large-area applications process; It is simple that manufacture craft is wanted, and realized DSSC orderly " can weave " on stereochemical structure.This solar cell tree can be outdoor as a kind of landscape tree of beautifying the environment simultaneously.Adopt low corrosion-resistant and better conductivity wire of cost or conductive fiber as conductive substrates, plastics help the large tracts of land commercial applications as insulating barrier.Pine tree shape solar cell landscape tree structure of the present invention is not only applicable to dye-sensitized solar cells, is applicable to other all solar cells simultaneously yet, as: silicon solar cell, thin film solar cell and organic photovoltaic cell etc.
Description of drawings
The orderly stereo absorption structure of Fig. 1 occurring in nature pine tree;
Pine needle shape DSSC structural representation among Fig. 2 the present invention;
Pine tree shape DSSC landscape tree structural representation among Fig. 3 the present invention;
The current-voltage curve of the branch of 3 pine needle shapes of parallel connection DSSC of Fig. 4 embodiment of the invention 1 preparation;
The current-voltage curve of the branch of 6 pine needle shapes of parallel connection DSSC of Fig. 5 embodiment of the invention 2 preparations;
Fig. 6 is by the current-voltage curve of the solid-state pine tree shape solar cell tree of the embodiment of the invention 3 preparations.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
The invention discloses a kind of pine tree shape solar cell landscape tree, comprise trunk 5, branch 6, leaf 7 three parts, connect with polymer rubber sealing or use spare interface between three parts; Wherein, Trunk 5 is the copper cash of rigid plastics parcel, and branch 6 is the copper cash of flexible plastic parcel, and branch 6 is 4～15; Leaf 7 is transparent glass tube or DSSC; DSSC is 3～6 on the every branch 6, and the connected mode of DSSC is parallel connection on the said leaf 7, and the connected mode of 6 DSSCs of said different branches is parallel connection.
As shown in Figure 3; Use the trunk 5 and branch 6 of the good lead (like copper cash) of rigid plastics and flexible plastic coated with conductive rate respectively as pine tree; Pine needle shape solar cell is as leaf 7, with lead insert the interface of reserving on the pine tree branch 6 with the positive and negative electrode of pine tree shape solar cell and plastic flower respectively utilize welding or electrocondution slurry bonding after, draw parallel connection with lead after; Insert load, can under illumination, work.The electrical power storage that perhaps phototransformation is obtained can be used under the situation of illumination not having in storage battery.
Embodiment 1
To use polishing fluid (V (deionized water): V (HNO
3): the pretreated Ti silk of V (HF)=5:4:1) is as anode, and graphite flake utilizes D.C. regulated power supply control voltage 60V as negative electrode, contains 0.6wt% NH
4F and 3.5v% H
2The 150ml ethylene glycol solution of O is as electrolyte, and anodic oxidation is 1 hour under room temperature and magnetic agitation, can coat one deck TiO on Ti silk surface
2Nano-tube film.With the Ti silk after the anodic oxidation (0.2 ~ 0.4 mm) under 450 ℃, heat treatment 2 hours.After being cooled to room temperature, use 0.2M TiCl
460 ℃ of following water bath processing 1 hour, at 450 ℃ of following heat treatment 30min, naturally cool to 80 ℃ then, put into the ethanol solution sensitization of 0.5 mM N719 dyestuff and spend the night, can obtain sensitization TiO
2Nano-tube film.
Conductive carbon fibre (diameter is 0.4mm) was used deionized water, absolute ethyl alcohol and acetone ultrasonic cleaning 5 minutes successively; Then it is dipped in the ethanolic solution of 10mM chloroplatinic acid and spends the night; 385 ℃ of following sintering 20 minutes, the conductive carbon fibre that can obtain platinum was to electrode at last.Pt nanoparticle loads on the conductive carbon fibre equably, and diameter is 21 ~ 43nm [3b].
With the sensitization nano-TiO
2The parallel transparent glass tube that places of the conductive carbon fibre of nanotube and platinum encapsulates with silicon rubber then.After treating the insulating cement cold curing, inject the LiI that contains 0.1 M, the I of 0.05 M with microsyringe
2And the N-tolimidazole of the 4-tert .-butylpyridine 0.1M of 0.5M, the 3-methoxypropionitrile solution of the guanidine thiocyanate of 0.1M.And then seal injection orifice with silicon rubber, can obtain being about 4cm pine needle shape DSSC.
Repeat above experimental implementation, can obtain polylith and be about 4cm pine needle shape DSSC.
The trunk of pine tree and 15 branches are made with rigid plastics and the good copper cash of flexible plastic coated with conductive rate respectively.Pine needle shape DSSC positive and negative electrode and plastic flower are inserted the interface of reserving on the branch, be bonded on the lead, can assemble and obtain the DSSC tree with conducting resinl.The solar cell tree that the present invention makes, 3 pine needle shape batteries of parallel connection on the every branch, measuring current voltage J-V curve is as shown in Figure 4 under the AM1.5 solar light irradiation, open circuit voltage=0.77V, short-circuit current density=6.73mA.cm
-2, fill factor, curve factor=0.47, battery efficiency=2.41%.15 above-mentioned branch parallel connections are assembled into pine tree shape DSSC tree, and available power is 25 ~ 27mW.
Embodiment 2
To use polishing fluid (V (deionized water): V (HNO
3): the pretreated Ti silk of V (HF)=5:4:1) is as anode, and graphite flake utilizes D.C. regulated power supply control voltage 60V as negative electrode, contains 0.6wt% NH
4F and 3.5v% H
2The 150ml ethylene glycol solution of O is as electrolyte, and anodic oxidation is 1 hour under room temperature and magnetic agitation, can coat one deck TiO on Ti silk surface
2Nano-tube film.With the Ti silk after the anodic oxidation (0.2 ~ 0.4 mm) under 450 ℃, heat treatment 2 hours.Naturally cool to 80 ℃, put into the ethanol solution sensitization of 0.5 mM N719 dyestuff and spend the night, can obtain sensitization TiO
2Nano-tube film.Preparation process such as embodiment 1. to electrode and pine needle shape solar cell
The trunk of pine tree and 10 branches are made with rigid plastics and the good copper cash of flexible plastic coated with conductive rate respectively.Pine needle shape DSSC positive and negative electrode and plastic flower are inserted the interface of reserving on the branch, be bonded on the lead, can assemble and obtain the DSSC tree with conducting resinl.The solar cell tree that the present invention makes, 6 pine needle shape DSSCs of parallel connection on the every branch, measuring current voltage J-V curve is as shown in Figure 5 under the AM1.5 solar light irradiation, open circuit voltage=0.64V, short-circuit current density=5.23mA.cm
-2, fill factor, curve factor=0.43, battery efficiency=1.4%.10 above-mentioned branch parallel connections are assembled into pine tree shape DSSC tree, and available power is 10 ~ 13mW.
Embodiment 3
Dye sensitization TiO
2The preparation process of nano-tube film such as embodiment 1.Outer surface has been coated dye sensitization TiO
2The Ti silk of nano-tube film is as work electrode, and platinized platinum utilizes electrochemical workstation control constant current 0.0002A, with 0.1M CuSO as to electrode
4, 0.2M citric acid, 0.2M KSCN and deionized water are evenly mixed as electrolyte, electrochemical deposition 1800s under the room temperature magnetic agitation.Can be at dye sensitization TiO
2Nano-tube film surface deposition layer of transparent CuSCN film.N
2With the parallel transparent glass tube of putting into of its conductive carbon fibre, use silicone rubber seal after drying up in the air-flow, can obtain being about the solid-state pine needle shape of 4cm DSSC with platinum.
The trunk of pine tree and 4 branches are made with rigid plastics and the good copper cash of flexible plastic coated with conductive rate respectively.Solid-state pine needle shape DSSC positive and negative electrode and plastic flower are inserted the interface of reserving on the branch, be bonded on the lead, can assemble and obtain solid-state dye sensitized solar cell tree with conducting resinl.The solid-state pine needle shape of the present invention DSSC, measuring current voltage J-V curve is as shown in Figure 6 under the AM1.5 solar light irradiation, and energy conversion efficiency is 0.004%.5 solid-state pine needle shape DSSCs are connected in parallel on the branch, and 4 above-mentioned branch parallel connections are assembled into the solid-state dye sensitized solar cell tree of pine tree shape, available power is 1.82 * 10
-2MW.
List of references
[[i]]Fan,?X.;?Chu,?Z.?Z.;?Wang,?F.?Z.;?Zhang,?C.;?Chen,?L.;?Chen,?Y.;?Tang,?Y.?W.;?Zou,?D.?C.?
Adv.?Mater.,?2008,?20,?592.
[[ii]]Weintraub,?B.;?Wei,?Y.?G.;?Wang,?Z.?L.?
Angew.?Chem.?Int.?Ed.,?2009,?48,?1.
[[iii]] a, Cui Xiaoli, Sun Mingxuan, a kind of needle-like DSSC, national inventing patent, application number: 201210189537.8; B, Sun, M. X.; Cui, X. L.
J. Power Sources.,Revised.
Claims (5)
1. a pine tree shape solar cell landscape tree is characterized in that: comprise trunk, branch, leaf three parts, connect with polymer rubber sealing or use spare interface between three parts; Wherein, Said trunk is the copper cash of rigid plastics parcel, and said branch is the copper cash of flexible plastic parcel, and branch is 4～15; Said leaf is the DSSC of transparent glass tube or plastic tube encapsulation; DSSC is total up to 20～60 on the said branch, and its battery is parallel with one another, and DSSC is parallel with one another between said different branches.
2. pine tree shape solar cell landscape tree according to claim 1 is characterized in that: connect the plastics flower on the branch of said pine tree shape solar cell landscape tree.
3. pine tree shape solar cell landscape tree according to claim 1; It is characterized in that: the DSSC that uses in the said leaf; By work electrode, electrode and electrolyte are formed said work electrode, said to parallel transparent glass tube or the plastic tube of placing of electrode; Wherein, said work electrode comprises thread conductive substrates and the semiconductive thin film that is coated on its outside, and said thread conductive substrates adopts wire or conductive fiber, and diameter is 0.2～0.4mm, and said semiconductive thin film is TiO
2Or ZnO, thickness is 10～20 μ m; Said work electrode is to utilize anodic oxidation, applies, lifts or method such as spraying is coated on the conductive substrates outer surface with it, afterwards with its sintering, places the dyestuff sensitization to obtain then; Said has been platinum filament, nickel wire, copper wire or the spun gold of catalysis and electric transmission effect to electrode, or load the wire or the conductive fiber of platinum, nickel etc.; Said electrolyte adopts the I with redox
2With/I
-Solution, perhaps solid-state hole mobile material CuI or CuSCN.
4. pine tree shape solar cell landscape tree according to claim 3 is characterized in that: the thread conductive substrates of using in the said work electrode as in titanium, nickel, stainless steel or the conductive carbon fibre any.
5. pine tree shape solar cell landscape tree according to claim 1, it is characterized in that: said leaf is 3.5～4.5cm.
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| CN2012103180098A CN102842439A (en) | 2012-08-31 | 2012-08-31 | Pine-tree solar cell landscape tree |
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|---|---|---|---|
| CN2012103180098A CN102842439A (en) | 2012-08-31 | 2012-08-31 | Pine-tree solar cell landscape tree |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103340486A (en) * | 2013-06-25 | 2013-10-09 | 无锡同春新能源科技有限公司 | Luminous artificial lawn with dye sensitization solar batteries as power sources |
| CN105390290A (en) * | 2015-10-30 | 2016-03-09 | 浙江理工大学 | Fibrous phthalocyanine compound solar cell and preparation method thereof |
| EP2995881A1 (en) * | 2014-09-02 | 2016-03-16 | Stefano Lussana | Photovoltaic tree |
| CN106562499A (en) * | 2016-10-04 | 2017-04-19 | 孙永锋 | Simulation mimosa pudica potted plant |
| CN111394742A (en) * | 2020-04-09 | 2020-07-10 | 西北大学 | Indoor oxygen release, anti-inflammatory and purification integrated device based on bionic visual angle |
| WO2020224617A1 (en) * | 2019-05-09 | 2020-11-12 | 西藏富鼎实业有限公司 | Tree-shaped photovoltaic power generation apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05226682A (en) * | 1992-02-14 | 1993-09-03 | Sanyo Electric Co Ltd | Solar cell tree |
| CN1674304A (en) * | 2005-04-21 | 2005-09-28 | 中山大学 | Stereo absorption filament integrated dye sensitization solar cell |
| CN201541791U (en) * | 2009-11-26 | 2010-08-11 | 深圳市金达健水科技有限公司 | Solar cell tree for landscape water body repair systems |
-
2012
- 2012-08-31 CN CN2012103180098A patent/CN102842439A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05226682A (en) * | 1992-02-14 | 1993-09-03 | Sanyo Electric Co Ltd | Solar cell tree |
| CN1674304A (en) * | 2005-04-21 | 2005-09-28 | 中山大学 | Stereo absorption filament integrated dye sensitization solar cell |
| CN201541791U (en) * | 2009-11-26 | 2010-08-11 | 深圳市金达健水科技有限公司 | Solar cell tree for landscape water body repair systems |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103340486A (en) * | 2013-06-25 | 2013-10-09 | 无锡同春新能源科技有限公司 | Luminous artificial lawn with dye sensitization solar batteries as power sources |
| EP2995881A1 (en) * | 2014-09-02 | 2016-03-16 | Stefano Lussana | Photovoltaic tree |
| CN105390290A (en) * | 2015-10-30 | 2016-03-09 | 浙江理工大学 | Fibrous phthalocyanine compound solar cell and preparation method thereof |
| CN106562499A (en) * | 2016-10-04 | 2017-04-19 | 孙永锋 | Simulation mimosa pudica potted plant |
| WO2020224617A1 (en) * | 2019-05-09 | 2020-11-12 | 西藏富鼎实业有限公司 | Tree-shaped photovoltaic power generation apparatus |
| CN111394742A (en) * | 2020-04-09 | 2020-07-10 | 西北大学 | Indoor oxygen release, anti-inflammatory and purification integrated device based on bionic visual angle |
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Application publication date: 20121226 |