CN102097592B - Laminated composite solar battery - Google Patents

Laminated composite solar battery Download PDF

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Publication number
CN102097592B
CN102097592B CN 201010562295 CN201010562295A CN102097592B CN 102097592 B CN102097592 B CN 102097592B CN 201010562295 CN201010562295 CN 201010562295 CN 201010562295 A CN201010562295 A CN 201010562295A CN 102097592 B CN102097592 B CN 102097592B
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layer
battery
solar battery
type semiconductor
lamination
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CN102097592A (en
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叶灿才
卢林发
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ZHONGSHAN IKER DIGITAL TECHNOLOGY Co Ltd
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ZHONGSHAN IKER DIGITAL TECHNOLOGY 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
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/549Organic PV cells

Abstract

The invention discloses a laminated composite solar battery, which consists of eleven different functional layers, namely a transparent substrate, a cathode layer, a polar organic layer, a first light sensitive layer, a semi-transparent anode layer, a P-type semiconductor layer, a P-N transition layer, a N-type semiconductor layer, a transparent conductive layer, a second light sensitive layer and a non-conductive light reflecting layer, wherein the transparent anode layer is reticular; a plurality of ways, including the lamination of an organic solar battery and an inorganic solar battery, are simultaneously adopted for enhancing the photoelectric conversion efficiency of battery, thus the solar energy is fully utilized, the skillful lamination of the organic and inorganic solar batteries is realized, and production costs are equalized while the maximal photoelectric conversion efficiency is exerted; the structure of the second light sensitive layer and the non-conductive light reflecting layer is adopted for repeatedly making use of the sunlight, so secondary photoelectric conversion of the organic solar battery is reinforced and the conversion efficiency of the overall battery can reach over 35%.

Description

A kind of lamination composite solar battery
Technical field
The invention belongs to technical field of solar, particularly a kind of solar cell that adopts laminated construction to improve solar photovoltaic conversion efficient.
Background technology
Solar energy is desirable new forms of energy; It has inexhaustible advantage; Also be clean energy resource simultaneously, do not produce any environmental pollution. in the middle of effective utilization of solar energy, big sun can opto-electronic conversion be with fastest developing speed, most active in the last few years research field.At present, solar cell mainly is divided into crystal silicon solar energy battery, inorganic thin film solar cell, organic solar batteries and DSSC.Wherein the crystal silicon solar energy battery electricity conversion is the highest, reaches 18%; The inorganic thin film solar cell is below 11%, and organic solar batteries is then at 6%-7%, but organic solar batteries has characteristics such as production technology is simple, the cost of raw material is cheap.
Chinese patent ZL200810051527.1 discloses a kind of stacking polymer thin-film solar cell of parallel-connection structure, and this solar cell adopts the high-work-function metal gold, silver to extract the hole as translucent anode.The anode both sides are adopted P type metal oxide molybdenum trioxide or tungsten oxide to connect up and down sub-battery photosensitive layer as hole transmission layer and are made up internal electric field, improve carrier collection efficient.The photosensitive layer of two sub-batteries up and down in the laminated cell is respectively the mixture of different conjugated polymer of absorption region and fullerene derivate composition.Two sub-batteries connect in parallel, and the short-circuit current density of lamination solar cell is two sub-battery short circuit current density sums up and down.This stacking polymer thin-film solar cell through adopt the different conjugated polymer of absorption region improved effectively to effective absorption of sunlight and realized short circuit current effectively be increased to 15 milliamperes/square centimeter, thereby the energy conversion efficiency that has improved polymer thin-film solar cell is up to 3.36%.This patent has adopted a kind of laminated construction, and the solar cell of realization belongs to organic solar batteries, owing to there is not well to bring into play the advantage of laminated construction, the energy conversion efficiency of solar cell is up to 3.36%, belongs to reduced levels.At present, no matter be scientific research institution or manufacture of solar cells producer, all for how improving the photoelectric conversion efficiency effort of battery.
Summary of the invention
The objective of the invention is solar cell laminated construction principle with reference to Chinese patent ZL200810051527.1; Through being formed structure, solar cell further optimizes; Introduce the fusion principle of organic solar batteries and inorganic thin film solar cell; Through both mutual supplement with each other's advantages, realize a kind of brand new solar energy battery.
The present invention adopts following scheme to realize:
A kind of lamination composite solar battery is characterized in that comprising:
Transparency carrier: material is glass or plastics;
Cathode layer: its material is tin indium oxide or tin oxide;
The polarity organic layer: material is one of Merlon, polyacrylic acid, polymethylacrylic acid, poly oxide, polysulfide, polyamide, polyester, polyurethane, polyimides
First photosensitive layer: material is the blend of conjugated polymer and fullerene;
Translucent anode layer: material is a kind of in metallic gold, nickel and the silver;
P type semiconductor layer: material is P type amorphous silicon hydride or P type multi-element compounds;
P-N transition zone: the copper indium diselenide of material for mixing and sowing;
N type semiconductor layer: material is N type amorphous silicon hydride or N type multi-element compounds;
Transparency conducting layer: material is a kind of in the zinc oxide of indium tin oxide, zinc oxide or doped aluminium;
Cathode layer, polarity organic layer, first photosensitive layer and translucent anode layer form first successively has the loom battery; Translucent anode, p type semiconductor layer, P-N transition zone, n type semiconductor layer and transparency conducting layer form the sub-battery of second inorganic thin film successively; First has loom battery and the sub-battery of second inorganic thin film to form composite solar battery through translucent anode layer lamination.
Further optimize, also have second photosensitive layer, material is the blend of conjugated polymer and fullerene; Also have non-conductive reflector layer, material is the glass microballoon reflectorised paint that has added high index of refraction; Second photosensitive layer is striden layer with first photosensitive layer through electric conductor and is connected.
Further optimize, in order to improve the sunlight utilance, the sub-battery of more sunlight second inorganic thin film is transformed, it is netted that anode layer is.
Lamination composite solar battery in sum has following characteristics and remarkable result:
(1) contrast Chinese patent ZL200810051527.1, the 3rd layer of the present invention is polarity organic layer (referenced patent is " the first sub-battery electron transport layer " for the 3rd layer), this polarity organic layer can increase the density of photocurrent of 20%-40% at least; The the 6th to eight layer of the present invention is respectively p type semiconductor layer, P-N transition zone, n type semiconductor layer (and referenced patent is " translucent anode ", " the second sub-battery hole transmission layer ", " the second sub-battery photosensitive layer "), so the structure of entire cell has world of difference; What ZL200810051527.1 adopted in addition is the lamination of two organic solar batteries; And the present invention is the lamination that adopts an organic solar batteries and an inorganic solar cell; Realize the mutual supplement with each other's advantages between two kinds of batteries; Both obtained good opto-electronic conversion performance, simultaneously also balanced production cost;
(2) the present invention also has second photosensitive layer and non-conductive reflector layer; Realize to penetrate at last the surplus light reflection of the sun of battery through the conduction reflector layer, and further excite the optoelectronic induction of second photosensitive layer; Second photosensitive layer is striden layer with first photosensitive layer through electric conductor and is connected, and further improves the photoelectric conversion efficiency that machine battery is arranged.
(3) realized the ingenious lamination of organic solar batteries and inorganic solar cell, the meshed anode layer more helps sunlight and arrives inorganic solar cell simultaneously.
Description of drawings
Fig. 1 is the hierarchy sketch map of solar cell of the present invention;
Fig. 2 is the structural representation that the present invention has the solar cell of eleventh floor composition;
Fig. 3 is that the surplus light of the sun is reflected and realizes the sketch map of recycling.
Fig. 4 is the structural representation of meshed anode layer.
Embodiment
Embodiment one:
With reference to figure 1, the invention scheme of present embodiment, the lamination composite solar battery is made up of nine difference in functionality layers.Be transparency carrier 1, cathode layer 2, polarity organic layer 3, first photosensitive layer 4, translucent anode layer 5, p type semiconductor layer 6, P-N transition zone 7, n type semiconductor layer 8, transparency conducting layer 9 successively; Wherein:
Transparency carrier 1 preferential selection glass or plastics are material; The thickness of transparency carrier 1 does not have special qualification, can do suitably adjustment according to actual needs, but substrate must have the good light transmittance ability.
Cathode layer 2: its material is preferably tin indium oxide or tin oxide; Cathode layer 2 can use any conventional method to form, for example vapour deposition, sputter etc.; Cathode layer 2 thickness are between 150~600 nm.
Polarity organic layer 3: material is preferably one of Merlon, polyacrylic acid, polymethylacrylic acid, poly oxide, polysulfide, polyamide, polyester, polyurethane, polyimides, perhaps the combination of two or more among them.Polarity organic layer 3 contains a kind of polarity macromolecule of polar functional group at least, and its can increase on the one hand the density of photocurrent of 20%-40% at least, more can flat cathode layer 2; The thickness of polarity organic layer 3 is preferably between 50~250 nm.
First photosensitive layer 4: material is preferably the blend of conjugated polymer and fullerene; It contains two kinds of compositions at least first photosensitive layer 4, comprises electron donor and electron acceptor; Wherein conjugated polymer can adopt polyacetylene as electron donor; Electron acceptor adopts the cyanic acid phenylene ethylene.First photosensitive layer, 4 thickness are between 30~150 nm.
Translucent anode layer 5: material is preferably a kind of in metallic gold, nickel and the silver, must have light transmission preferably; Translucent anode layer 5 preferred network structures (with reference to shown in Figure 4); Can adopt but be not limited to spraying, silk screen printing, ink jet printing mode and form.
P type semiconductor layer 6: material is preferably P type amorphous silicon hydride (P-a-Si:H) or P type multi-element compounds such as aluminium is sowed nitrogen, aluminium is sowed arsenic etc.; P type semiconductor layer 6 thickness are between 100~130 nm;
P-N transition zone 7: material is preferably the copper indium diselenide of mixing and sowing, and thickness is between 20~40 nm;
N type semiconductor layer 8: material is preferably N type amorphous silicon hydride (N-a-Si:H) or the nitrogenize of N type multi-element compounds is sowed or indium phosphide is sowed, and thickness is between 100~130 nm
Transparency conducting layer 9: material is a kind of in the zinc oxide of indium tin oxide, zinc oxide or doped aluminium; Between 120~300 nm.
With reference to figure 1, cathode layer 2, polarity organic layer 3, first photosensitive layer 4 and translucent anode layer 5 form first successively has the loom battery again; Translucent anode 5, p type semiconductor layer 6, P-N transition zone 7, n type semiconductor layer 8 and transparency conducting layer 9 form the sub-battery of second inorganic thin film successively; First has loom battery and the sub-battery of second inorganic thin film to form composite solar battery through translucent anode layer 5 laminations.
Embodiment two:
Embodiment two is the further optimization of on the existing basis of embodiment one, doing.Wherein difference is: with reference to figure 2 and 3, the translucent anode layer 5 of lamination composite solar battery also has second photosensitive layer, 10, the second photosensitive layers 10 can be implemented with reference to first photosensitive layer 4 with formation method, thickness; Second photosensitive layer 10 also has non-conductive reflector layer 11, and material can select to have added the glass microballoon reflectorised paint of high index of refraction, forms through modes such as sprayings.Second photosensitive layer 10 is striden layer with first photosensitive layer 4 through electric conductor (like silverskin) and is connected.With reference to figure 3, the surplus light of the sun is reflected after arriving non-conductive reflector layer 11, further excites the optoelectronic induction of second photosensitive layer 10; Second photosensitive layer 10 and 4 actings in conjunction of first photosensitive layer further improve the photoelectric conversion efficiency that machine battery is arranged;
Present embodiment has adopted multipath to improve the photoelectric conversion efficiency of battery; Lamination comprising organic solar batteries and inorganic solar cell makes full use of solar energy, realizes the ingenious superimposed of organic and inorganic solar cell; Bring into play maximum photoelectricity conversion performance simultaneously, the balanced production cost; Adopt second photosensitive layer 10 and non-conductive reflector layer 11 structures, the preparatory light of the sun is reused, strengthen the secondary opto-electronic conversion of organic solar batteries, realize that the conversion efficiency of integral battery door can reach more than 35%.

Claims (3)

1. lamination composite solar battery is characterized in that comprising:
Transparency carrier (1): material is glass or plastics;
Cathode layer (2): its material is tin indium oxide or tin oxide;
Polarity organic layer (3): material is one of Merlon, polyacrylic acid, polymethylacrylic acid, poly oxide, polysulfide, polyamide, polyester, polyurethane, polyimides;
First photosensitive layer (4): material is the blend of conjugated polymer and fullerene;
Translucent anode layer (5): material is a kind of in metallic gold, nickel and the silver;
P type semiconductor layer (6): material is P type amorphous silicon hydride or P type multi-element compounds;
P-N transition zone (7): the copper indium diselenide of material for mixing and sowing;
N type semiconductor layer (8): material is N type amorphous silicon hydride or N type multi-element compounds;
Transparency conducting layer (9): material is a kind of in the zinc oxide of indium tin oxide, zinc oxide or doped aluminium;
Cathode layer (2), polarity organic layer (3), first photosensitive layer (4) and translucent anode layer (5) form first successively has the loom battery; Translucent anode (5), p type semiconductor layer (6), P-N transition zone (7), n type semiconductor layer (8) and transparency conducting layer (9) form the sub-battery of second inorganic thin film successively; First has loom battery and the sub-battery of second inorganic thin film to form composite solar battery through translucent anode layer (5) lamination.
2. lamination composite solar battery according to claim 1 is characterized in that: also have second photosensitive layer (10) on the said transparency conducting layer (9), material is the blend of conjugated polymer and fullerene; Also have non-conductive reflector layer (11) on said second photosensitive layer (10), material is the glass microballoon reflectorised paint that has added high index of refraction; Second photosensitive layer (10) is striden layer with first photosensitive layer (4) through electric conductor and is connected.
3. lamination composite solar battery according to claim 1 and 2 is characterized in that: translucent anode layer (5) is netted.
CN 201010562295 2010-11-22 2010-11-22 Laminated composite solar battery Expired - Fee Related CN102097592B (en)

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CN102856498B (en) * 2011-06-28 2015-05-06 海洋王照明科技股份有限公司 Parallel type polymer solar cell and preparation method thereof
CN102623643B (en) * 2012-03-31 2014-03-12 中国科学院半导体研究所 Process for producing anti-configuration polymer solar cell using plasmon effect
CN104241529A (en) * 2013-06-17 2014-12-24 宁波大学 Laminated organic solar battery and manufacturing method thereof
CN111341915B (en) * 2020-05-19 2020-09-01 季华实验室 Method for manufacturing organic crystal solar cell device and photoelectric equipment

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CN101355109A (en) * 2007-07-26 2009-01-28 鸿富锦精密工业(深圳)有限公司 Solar battery component and manufacturing equipment thereof
CN101414663A (en) * 2008-12-04 2009-04-22 中国科学院长春应用化学研究所 Stacking polymer thin-film solar cell with parallel connection structure
CN101540371A (en) * 2009-04-15 2009-09-23 河北大学 Flexible polymer solar battery of anode layer of metal grid and preparation method
CN101593783A (en) * 2009-02-23 2009-12-02 江苏激蓝科技有限公司 A kind of high-efficiency solar photoelectric conversion device and manufacture method

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WO2007095386A2 (en) * 2006-02-13 2007-08-23 Solexant Corporation Photovoltaic device with nanostructured layers
DE102006059369A1 (en) * 2006-12-15 2008-06-26 Industrial Technology Research Institute, Chutung photocell
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CN101355109A (en) * 2007-07-26 2009-01-28 鸿富锦精密工业(深圳)有限公司 Solar battery component and manufacturing equipment thereof
CN101414663A (en) * 2008-12-04 2009-04-22 中国科学院长春应用化学研究所 Stacking polymer thin-film solar cell with parallel connection structure
CN101593783A (en) * 2009-02-23 2009-12-02 江苏激蓝科技有限公司 A kind of high-efficiency solar photoelectric conversion device and manufacture method
CN101540371A (en) * 2009-04-15 2009-09-23 河北大学 Flexible polymer solar battery of anode layer of metal grid and preparation method

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