CN101697325A - Dye-sensitized solar cell pack and preparation method thereof - Google Patents
Dye-sensitized solar cell pack and preparation method thereof Download PDFInfo
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- CN101697325A CN101697325A CN 200910177882 CN200910177882A CN101697325A CN 101697325 A CN101697325 A CN 101697325A CN 200910177882 CN200910177882 CN 200910177882 CN 200910177882 A CN200910177882 A CN 200910177882A CN 101697325 A CN101697325 A CN 101697325A
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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
- 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
- Y02E10/549—Organic PV cells
Abstract
The invention discloses a dye-sensitized solar cell pack and a preparation method thereof. A photoanode and an anticathode of the solar power battery pack are conductive glass with conducting films; the photoanode and the anticathode are stacked oppositely and are sealed by a sealing material to form a cavity; the inside of the cavity is provided with an electrolyte; the conducting films of the photoanode and the anticathode are provided with at least one etched groove and a plurality of silver wires intersected with the etched groove to form a plurality of conducting film areas; the conducting film areas opposite to the photoanode and the anticathode form a battery unit; and the rows of battery units vertical to the etched groove are connected in series by electrode slurry, and each row of the battery units connected in series are connected in parallel by connecting the sliver wires. The dye-sensitized solar cell pack acquires high voltage and heavy current by adopting a mode of series-parallel combination, improves the conversion efficiency of solar power, and has excellent stability.
Description
Technical field
The present invention relates to the renewable energy source domain, refer to a kind of modular dye-sensitized solar battery assembly and preparation method thereof especially.
Background technology
Energy shortage and environmental pollution have become two hang-ups that the present mankind face.Traditional energy, for example matchmaker, oil and timber etc. also can only be kept about 50 to 100 years by the words that present depletion rate calculates.In addition, use the environmental pollution that is brought, also threatening the human earth of depending on for existence by these energy.And the mankind in the foreseeable following time, solar energy does not produce any environmental pollution as the inexhaustible clear energy sources of the mankind, and is not subjected to the restriction of any geographical conditions basically.Therefore, the research of solar utilization technique has caused various countries scientists' extensive attention.
The utilization of solar energy mainly is a solar cell power generation, and two key issues of exploitation solar cell are exactly: improve the conversion efficiency of solar energy and reduce production costs.Because solar battery product in the market is based on silicon solar cell, but its generation and manufacturing cost are too high, are unfavorable for extensive use.And nineteen nineties grows up with dye-sensitized nanocrystalline titanium dioxide (TiO
2) for making the DSSC (DSC) of raw material, it has cheap cost, therefore simple technology and stable advantages such as performance cause international attention immediately.Its photoelectric efficiency is stabilized in 10%, and cost of manufacture only is 1/5～1/10 of a silicon solar cell, and the life-span can reach more than 20 years.
The transformation efficiency of DSC is subjected to the influence of its area, under present technology, the photoelectric conversion efficiency of small size battery has reached 11%, but on area battery, electricity conversion is lower, if reach the requirement of large-scale production, the efficient of area battery at least will be in the requirement that could satisfy each side such as instructions for use, transformation efficiency, cost of manufacture, stability more than 5%.And present technology does not all reach this requirement.Therefore, invented will be than the battery series connection of small size or the method that forms battery component of being together in parallel improve the transformation efficiency of entire cell.For example:
Publication number is the patent application of CN1674302A, a kind of large tracts of land internal series-connection dye-sensitized nano film solar battery preparation technology is disclosed, its major technique feature is to be an area battery than the series connection of the battery bar of small size, and the voltage of battery is increased, and reaches required requirement.
Publication number is the patent application of CN1674303A, the inner dye-sensitized nano film solar battery preparation technology in parallel of a kind of large tracts of land is disclosed, its major technique feature is to be an area battery with the battery bar parallel connection than small size, and the electric current of battery is increased, and reaches required requirement.
The implementation of large tracts of land serial or parallel connection of the prior art, though improved transformation efficiency to a certain extent and since the large tracts of land of solar cell directly series connection can make that the internal resistance of battery is very big, thereby cause the loss of inside battery electric current very big, therefore, the total current of output is less.And the large tracts of land of solar cell is direct and joint conference makes that the electric current of battery is very big, but when increasing electric current, the total voltage of battery still is the voltage of wall scroll battery, and output voltage is lower.Therefore the implementation of above-mentioned large tracts of land serial or parallel connection finally all can cause the efficient of solar cell lower, can not well satisfy the application requirements of solar cell at aspects such as cost of manufacture and stability.
Summary of the invention
The embodiment of the invention provides a kind of dye-sensitized solar battery assembly and preparation method thereof, and is lower with the transformation efficiency that solves solar energy sensitization battery in the prior art, can not satisfy the problem of the large-scale production needs of area battery.
A kind of dye-sensitized solar battery assembly, its light anode and target are the electro-conductive glass that has conducting film, both stack relatively, are sealed to cavity by encapsulant, in the described cavity electrolyte are arranged, and
Be furnished with at least one cutting and the some and crossing silver-colored line of cutting on described smooth anode and the anticathode conducting film, form some conducting films zone;
A battery unit is formed in conducting film zone relative on light anode and the target, connects by electrode slurry with the every row's battery unit on the described cutting vertical direction, respectively arranges battery unit by connecting silver-colored line parallel after the series connection.
Above-mentioned solar module of the present invention, preparing in the conducting film zone of light anode in the described battery unit has sull, and preparing in each conducting film zone on the described anticathode conducting film has catalyst layer.
Above-mentioned solar module of the present invention, silver-colored line one ends that described some and cutting are intersected all are connected silver-colored line connection with described;
Connection silver line on the described smooth anode is arranged in an end of light anode, and the connection silver line on the then described target is arranged in the anticathode other end.
Above-mentioned solar module of the present invention, the silver-colored line of correspondence position is isolated by encapsulant on described smooth anode and the target, and the cutting of correspondence position is isolated by encapsulant.
Above-mentioned solar module of the present invention, described sull are the nanoporous sull, and thickness is 5～15 μ m;
Described catalyst layer is that thickness is 0.001～10 μ m.
Above-mentioned solar module of the present invention, described sull are square, rectangle, circle, ellipse or other setting shapes;
Described catalyst layer is identical with size with the shape of described sull.
A kind of dye-sensitized solar battery assembly preparation method comprises:
Conducting film at electro-conductive glass depicts at least one cutting, and arranges some silver-colored lines that intersect with cutting, forms some conducting films zone; And the silver-colored line that is connected that arrange to connect silver-colored line one end that intersects with cutting;
On the conducting film in each conducting film zone of described electro-conductive glass, prepare sull, obtain the light anode; On the conducting film in each conducting film zone of electro-conductive glass, prepare catalyst layer, obtain target;
Described smooth anode and target are had relative the stacking of one side of conducting film, and then a battery unit is formed in two relative conducting films zones of position; To connect with the every row's battery unit on the described cutting vertical direction by electrode slurry, the battery unit of respectively arranging after the series connection is realized in parallel by the silver-colored line of described connection;
Light anode and anticathode electro-conductive glass periphery are sealed to cavity by encapsulant, charge into electrolyte in the cavity.
Said method of the present invention, described being sealed to before the cavity also comprises:
To all isolate between the silver-colored line of the correspondence position on light anode and the anticathode electro-conductive glass and between the cutting of correspondence position by encapsulant; Make each battery unit form independently cavity by encapsulant.
According to said method of the present invention, the some silver-colored lines that intersect with cutting of described layout specifically comprise:
With silver paste or aluminum slurry the arrangement form that intersects with cutting according to design in advance, brush after on the conducting film of described electro-conductive glass, put into Muffle furnace or tube furnace is heat-treated, obtain the silver-colored line in each cutting zone; Described heat treatment temperature is 450～550 ℃, and heat treatment time is 10～30min.
Said method of the present invention, described brushing on the conducting film of described electro-conductive glass after, before heat-treating, also comprise: put into baking oven and dry, bake out temperature is 50～100 ℃, and drying time is 6～10min.
According to said method of the present invention, described preparation sull obtains the light anode, specifically comprises:
Adopt the mode of silk screen printing, blade coating, spraying or sputter to press design form system film, and carrying out forming sull behind the sintering under 400～600 ℃ the temperature; Sintering time is 15～100min;
With the described sull behind the sintering, immerse soak 1～30 hour in the dye solution after, obtain the light anode.
According to said method of the present invention, described sull is the nanoporous sull, and thickness is 5～15 μ m.
According to said method of the present invention, described preparation catalyst layer obtains target, specifically comprises:
By silk screen printing, drip be coated with, the mode of spin coating or sputter is by design form system film, and under 350～500 ℃ temperature, heat-treat the back and form described catalyst layer;
Heat treatment time is 10～120min.
According to said method of the present invention, the thickness of described catalyst layer is 0.001～10 μ m.
According to said method of the present invention, described sull is square, rectangle, circle, ellipse or other setting shapes;
Described catalyst layer is identical with size with the shape of described sull.
Dye-sensitized solar battery assembly that the embodiment of the invention provides and preparation method thereof, this solar module light anode and target are the electro-conductive glass that has conducting film, both stack relatively, be sealed to cavity by encapsulant, in the described cavity electrolyte is arranged, be furnished with at least one cutting and the some and crossing silver-colored line of cutting on described smooth anode and the anticathode conducting film, form some conducting films zone; A battery unit is formed in conducting film zone relative on light anode and the target, connects by electrode slurry with the every row's battery unit on the described cutting vertical direction, respectively arranges battery unit by connecting silver-colored line parallel after the series connection.This dye-sensitized solar battery assembly adopts modularized design, by the series connection of row's battery unit of each corresponding conducting film zone formation on light anode and the target; And the parallel connection of respectively arranging battery unit, realized that between inner each unit of solar module the mixing of connection in series-parallel combination connects.This connected mode can get access to higher voltage and bigger electric current, can unconspicuously influence the global voltage and the electric current of whole solar cell assembly simultaneously when some battery units break down.This solar module transformation efficiency height has good electrical stability.
Description of drawings
Fig. 1 is the structural representation of dye-sensitized solar battery assembly in the embodiment of the invention one;
Fig. 2 is the left view of Fig. 1 in the embodiment of the invention one;
Fig. 3 is the front view of Fig. 1 in the embodiment of the invention one;
Fig. 4 is the structural representation of dye-sensitized solar battery assembly in the embodiment of the invention two;
Fig. 5 is the left view of Fig. 4 in the embodiment of the invention two;
Fig. 6 is the front view of Fig. 4 in the embodiment of the invention two;
Fig. 7 is the schematic flow sheet of dye-sensitized solar battery assembly preparation method in the embodiment of the invention.
Embodiment
Electricity conversion at the DSSC that exists in the prior art is lower, can not satisfy the problem of the large-scale production needs of area battery, and the internal resistance that exists of existing large tracts of land internal series-connection variety of issue such as cause that greatly big the and inner existing voltage of solar cell in parallel of large tracts of land of current drain hangs down.The embodiment of the invention provides a kind of modular solar cell, and the delineation of the conducting film of solar cell is some conducting films zone, and the mode by the connection in series-parallel combination obtains bigger electric current and higher voltage.
The solar module that the embodiment of the invention provides, light anode and target adopt the electro-conductive glass preparation that has conducting film, and both stack relatively, are sealed to cavity by encapsulant, and electrolyte is arranged in the cavity.Wherein, be furnished with at least one cutting and the some and crossing silver-colored line of cutting on light anode and the anticathode conducting film, form some conducting films zone; A battery unit is formed in conducting film zone relative on light anode and the target, connects by electrode slurry with the every row's battery unit on the cutting vertical direction, respectively arranges battery unit by connecting silver-colored line parallel after the series connection.
Elaborate the modular dye-sensitized solar battery assembly that the embodiment of the present application provides below by specific embodiment.
Embodiment one:
The modular dye-sensitized solar battery assembly that the embodiment of the invention one provides, as Figure 1-3, wherein Fig. 1 is the front plan view of this solar module, and Fig. 2 is the left view of Fig. 1, and Fig. 3 is the front view of Fig. 2.
This modular dye-sensitized solar battery assembly comprises: light anode 1, target 2, electrode slurry 3, encapsulant 4 and electrolyte 5.
For example: the left side of the electro-conductive glass 11 of the light anode shown in Fig. 1 is furnished with a connection silver line 14a parallel with cutting 13.
On the light anode 1 by cutting 13 and silver-colored line 14 on the conducting film in each separated conducting film zone, preparation has the sull 15 of some setting shapes, is rectangular as shown in FIG..For example: all prepare a sull 15 in each the conducting film zone that demarcates by cutting 13 and silver-colored line 14 shown in Fig. 1-3; Certainly the quantity of the sull 15 in each conducting film zone also can be not limited to 1.
For example: the right of the electro-conductive glass 21 of the target 2 shown in Fig. 1 is furnished with a silver-colored line 24 parallel with cutting 23.
On the target 2 by cutting 23 and silver-colored line 24 on the conducting film in each separated conducting film zone, preparation has the catalyst layer 25 of some setting shapes, is rectangular as shown in FIG..For example: all prepare a catalyst layer 25 in each the conducting film zone that demarcates by cutting 23 and silver-colored line 24 shown in Fig. 1-3; The quantity of the catalyst layer 25 in each conducting film zone is at least 1.
Place on light anode 1 and target 2 opposites, stack as upper and lower, wherein, the one side that has conducting film (conducting film 12 and conducting film 22) on the electro-conductive glass separately (electro-conductive glass 11 of light anode 1 and the electro-conductive glass 21 of target 2) is relative, and then a battery unit is formed in relative conducting film zone on light anode and the target.Connection on its light anode 1 silver line 14a is not positioned at same end with the silver line 24a that is connected on the target 2, or says and be positioned at relative two ends.Be the end that connection silver line 14a on the light anode is arranged in the light anode, then the silver of the connection on target line 24a is arranged on the target other end away from the silver of the connection on light anode line 14a.
Preferable, the sull 23 in each battery unit is corresponding one by one with the position of catalyst layer 24.
Every row's battery unit on above-mentioned and the cutting vertical direction is connected by electrode slurry 3, and the battery unit of respectively arranging after the series connection connects silver-colored line parallel by each.The conducting film zone that is specially in the cutting zone of staggering mutually on each conducting film zone and the target 2 in the cutting zone on the light anode 1 is connected by electrode slurry 3, and passes through encapsulant 4 isolation between the silver-colored line of correspondence position.
Preferably, also carried out isolating seal between each cutting of this solar module and the opposite conducting film, made each battery unit all form an independently cavity like this by encapsulant.
As shown in Fig. 1-3, each the bullion line 14 on the light anode 1 cutting zone respectively with target 2 on each bullion line 24 on the cutting zone by encapsulant 4 isolating seals; Conducting film zone on the correspondence position on conducting film zone on the light anode 1 Far Left cutting zone and the target 2 from several second cutting zone, the left side links to each other by electrode slurry 3; Conducting film zone on the light anode 1 on the second left cutting zone respectively with target 2 on conducting film zone on the correspondence position from several the 3rd cutting zones, the left side link to each other by electrode slurry 3; The rest may be inferred.Make the conducting film zone on the same horizontally-arranged shown in Figure 1 realize series connection.The conducting film on each cutting and its opposite has also carried out isolating seal with encapsulant among the figure, and this is a preferred version, also can blow-by in the practical application.Then cutting 13 and silver-colored line 14 separated each conducting film zone on the light anode, the conducting film zone corresponding with cutting on the target 23 and silver-colored line 24 separated upper-lower positions constitutes a battery unit.
Preferable, the corresponding silver-colored line 24 on the staggered cutting zone on the silver-colored line 14 in the cutting zone on the electro-conductive glass 11 of light anode 1 and the electro-conductive glass 21 of target 2 is connected.
Then, the periphery of the electro-conductive glass 11 of light anode 1 and the electro-conductive glass 21 of target 2 forms cavity by encapsulant 4 sealings, charges into electrolyte 5 in the cavity.
Above-mentioned dye-sensitized solar battery assembly as Figure 1-3, the cutting 23 on the cutting 13 on the conducting film 12 of light anode 1 and the conducting film 22 of target 2 all can adopt the delineation of laser or mechanical means to form.
Silver-colored line 24 on silver-colored line 14 on the conducting film 12 of light anode 1 and the conducting film 22 that is connected silver-colored line 14a and target 2 be connected silver-colored line 24a, adopt the preparation of silver paste or aluminum slurry.With silver paste or aluminum slurry according to the arrangement form of design in advance, brushing is put into and is obtained after Muffle furnace or the tube furnace heat treatment after the conducting film (conducting film 22 of the conducting film 12 of the electro-conductive glass 11 of light anode 1 and the electro-conductive glass 21 of target 2) of electro-conductive glass is gone up.General heat treatment temperature is 450～550 ℃, and heat treatment time is 10～30min.Can adopt silk screen printing or other modes to brush silver paste or aluminum slurry.
Preferable, silver paste or aluminum slurry are brushed after on the conducting film of electro-conductive glass, can also carry out sintering again behind drying 6～10min under 50～100 ℃ the temperature earlier.
Above-mentioned dye-sensitized solar battery assembly as Figure 1-3, the sull 15 on the light anode 1 is pressed design form system film by the mode of silk screen printing, blade coating, spraying or sputter, and after carrying out sintering under 400～600 ℃ the temperature, form.Preferable, it is 15～100min that sintering time can be set at.
After sintering is finished, immerse to soak in the dye solution and obtain after 1～30 hour.Wherein, dye solution is the organic or inorganic dyestuff.
Preferable, the thickness of this sull 15 can be any thickness in 5～15 mu m ranges.And this sull 15 is the nanoporous sull.
Above-mentioned dye-sensitized solar battery assembly as Figure 1-3, the catalyst layer 25 on the target 2 adopts the element with catalytic performance.In the preparation, can be by silk screen printing, drip be coated with, the mode of spin coating or sputter is by design form system film, and heat-treats under 350～500 ℃ temperature that the back forms.Heat treatment time can be chosen in 10～120min scope.
Preferable, the thickness of this catalyst layer 25 can be set to 0.001～10 μ m.
Embodiment two:
The modular dye-sensitized solar battery assembly that the embodiment of the invention two provides, shown in Fig. 4-6, wherein Fig. 4 is the front plan view of this solar module, and Fig. 5 is the left view of Fig. 4, and Fig. 6 is the front view of Fig. 4.
Differently among the modular dye-sensitized solar battery assembly that is provided among the embodiment two and the embodiment one be that being shaped as of the sull 15 for preparing in each conducting film zone on the electro-conductive glass 11 of the light anode 1 of this solar module is circular; Accordingly, the shape of the catalyst layer 25 for preparing in each conducting film zone on the electro-conductive glass 21 of target 2 also is circular.
All the other with embodiment one in identical, repeat no more herein.
Only enumerated the dye-sensitized solar battery assembly of two kinds of forms among the foregoing description one and the embodiment two, in actual design, be not limited to the above-mentioned form of enumerating, wherein the shape of sull and catalyst layer can be provided with arbitrarily as required; Its quantity and position also can be set as required.
For example: the shape of sull can be square, rectangle, circle, ellipse or other setting shapes on the light anode; Preferable, catalyst layer is identical with size with the shape of light anodic oxide film on the target.
The preparation method of the above-mentioned modular dye-sensitized solar battery assembly that the embodiment of the invention provides, its flow process as shown in Figure 7, execution in step is as follows:
Step S101: the conducting film on the electro-conductive glass is carried out cutting handle.The preparation material of promptly preparing electrode uses during in order to following preparation electrode.
Conducting film on the electro-conductive glass is delineated, on the conducting film of electro-conductive glass, depicted at least one cutting, conducting film is opened circuit.Wherein, the quantity of cutting is determined according to the design needs.Cutting can adopt laser or other mechanical methods to carry out on electro-conductive glass.
Preferable, more than one when cutting, each cutting is arranged in parallel.
By at least one cutting that depicts conducting film is divided at least two cutting zones.For example: when a cutting was arranged, conducting film was divided into two cutting zones; When being arranged, two cuttings then are divided into three cutting zones; The rest may be inferred.Being shaped as of cutting zone can be designed as square or rectangular, and for example: can select the size in cutting zone to be: length is～15cm wide 0.25～1cm.
Above-mentioned electro-conductive glass can adopt tin indium oxide (ITO) electro-conductive glass.But what those skilled in the art will readily appreciate that is that the available material of the application should be not limited to electro-conductive glass.It can be the transparent material that can have conducting film.
As shown in figs. 1 and 4 cutting 13 and cutting 23 are the cutting that depicts.
Step S102: arrange some silver-colored lines that intersect with cutting, form some conducting films zone; And silver-colored line one end that intersects of connection and cutting be connected the silver line.
In each cutting zone, arrange some and crossing (preferable can being set to is vertical) the silver-colored lines of cutting, can cut apart by silver-colored line and cutting and form some conducting films zone; Preferable, silver-colored line parallel is arranged.The silver line can play the effect of collecting electric charge.
Can also be furnished with the silver-colored line that connects the silver-colored line outer end that this cutting zone and cutting intersect on the cutting zone of an end being positioned at, so that the output of electric current, voltage etc.Preferably, this silver-colored line that connects the silver-colored line outer end of intersecting with cutting is parallel with cutting.
The preparation process of silver line is: with silver paste or aluminum slurry according to the form of design in advance (for example: quantity and at interval etc.), brushing is after on the conducting film of electro-conductive glass, put into Muffle furnace or tube furnace is heat-treated, temperature is 450～550 ℃, and the time is 10～30min.Wherein Zui Jia heat treatment temperature is 500 ℃.Preferable, brush on the conducting film of electro-conductive glass after, before heat-treating, can also put into the baking oven drying and shaping earlier, preferable, put into baking oven after, at 100 ℃ of down dry 6～10min.
On the electro-conductive glass behind the good silver-colored line of cloth, clean up stand-byly, use when being used as subsequent preparation light anode and target.
Step S103: the electro-conductive glass behind use cutting and the Bu Yin line prepares the light anode.
Promptly on electro-conductive glass by conducting film one side in each separated conducting film zone of cutting and silver-colored line, prepare the sull of some setting shapes, obtain the light anode.Wherein, all prepare at least one sull in each the conducting film zone that demarcates by cutting and silver-colored line.
The preparation process of sull comprises: the mode by silk screen printing, blade coating, spraying or sputter is made film by design form (for example: can comprise shape, quantity and distribution situation etc.), and is carrying out forming sull behind the sintering under 400～600 ℃ the temperature.General sintering time can be chosen as 15～100min.
The shape of sull can design arbitrarily, for example: square, rectangle, circle, ellipse or other setting shapes; The nanoporous sull for preparing certain area, definite shape then according to user's design result, for example: TiO
2Film, ZnO film or the like.
With the electro-conductive glass behind the sintered oxide film, immerse soak 1～30 hour in the dye solution after, obtain the light anode; Wherein, dye solution is the organic or inorganic dyestuff.For example: select N719 for use, as solvent, obtain the solvent that concentration is 0.1～1mmol/L with ethanol or acetonitrile.
0.2～2cm for example shown in Figure 1
2Rectangular nanoporous sull and 0.2～3cm shown in Figure 4
2Circular nanoporous sull.
Preferable, the thickness of sull is generally 5～15 μ m.
Step S104: the electro-conductive glass behind use cutting and the Bu Yin line prepares target.
Promptly prepare the light anode to the utmost point.Be specially: on electro-conductive glass,, prepare the catalyst layer of some setting shapes, obtain target by conducting film one side in each separated conducting film zone of cutting and silver-colored line; Wherein, all prepare at least one catalyst layer in each the conducting film zone that demarcates by cutting and silver-colored line.
Preferable, the shape of the oxide film layer on this catalyst layer and the light anode is identical with size.
The target preparation process specifically comprises: adopt the element (catalyst) with catalytic performance, by silk screen printing, drip be coated with, the mode of spin coating or sputter is by design form (for example: can comprise shape, quantity and distribution situation etc.) system film, and under 350～500 ℃ temperature, heat-treat the back and form catalyst layer; Element with catalytic performance can be selected elements such as platinum, carbon.
Generally can select heat treatment 10～120min.
Preferable, the thickness of this catalyst layer can be designed as 0.001～10 μ m.
Step S105: the light anode and the anticathode electro-conductive glass that will prepare are staggered relatively, and two electro-conductive glass carry out the circuit connection up and down.
The side that the light anode for preparing and anticathode electro-conductive glass have conducting film is staggered relatively, stack as upper and lower.Then a battery unit is formed in two conducting film zones that the light anode is relative with position on the target.To connect with the every row's battery unit on the cutting vertical direction by electrode slurry, the battery unit of respectively arranging after the series connection is realized in parallel by connecting silver-colored line.
Preferable, the position of the catalyst layer on the sull on the light anode and the target is corresponding one by one; By electrode slurry the corresponding conducting film zone on the staggered cutting zone on the zone of each conducting film in the cutting zone on the electro-conductive glass of light anode and the anticathode electro-conductive glass is coupled together.
Preferable, the corresponding silver-colored line on the staggered cutting zone on the silver-colored line in the cutting zone on the electro-conductive glass of light anode and the anticathode electro-conductive glass is coupled together.
Generally for the ease of being connected with circuit external, certain distance mutually can stagger light anode and target.For example: the silver-colored line that the connection on the light anode and cutting is intersected silver-colored line is with respect to the target certain distance that stretches out; Simultaneously, connection on the target and the cutting silver-colored line that intersects silver-colored line is with respect to the light anode certain distance that also can stretch out naturally.
Step S106: will pass through the encapsulant isolating seal between the silver-colored line of the correspondence position on light anode and the anticathode electro-conductive glass.
Encapsulant can be selected heat sealing film or other encapsulants for use.
If encapsulant is a heat sealing film, elder generation is according to the shape of light anodic oxide coating, the well cutting heat sealing film, make it can just cover silver-colored line, and capping oxide film not, on light anode conducting silver-colored line on glass, place encapsulant, then target is overlayed on the light anode, make the silver-colored line position of two electrodes just in time overlapping.Overlapping two good electrode positions are fixed, put into baking oven 100～150 ℃ of heating down, the time is 5～30min, and two electrode sealings are intact.
Preferably, can also will isolate by encapsulant between each cutting and the opposite conducting film, make so all to form an independently cavity by cutting and separated each the conducting film zone of silver-colored line.
Step S106 is a preferred version, can omit.
Step S107: the periphery of light anode and anticathode electro-conductive glass is formed cavity by the encapsulant sealing.
Encapsulant can be selected heat sealing film or other encapsulants for use.
Step S108: in cavity, inject electrolyte.
Can utilize vacuum or manual mode to inject electrolyte, and sealing is used to inject electrolytical aperture, finishes manufacturing process.
Above-mentioned dye-sensitized solar battery assembly that the embodiment of the invention provides and preparation method thereof, series connection by realizing row's battery unit on the solar module being connected of light anode and target upper conductive film zone (for example among Fig. 1 or the battery unit of each horizontally-arranged shown in Fig. 4), simultaneously, there is relation in parallel again in each battery unit of same row (for example among Fig. 1 or the battery unit of each vertical setting of types shown in Fig. 4), has realized that between inner each unit of solar module the mixing of connection in series-parallel combination connects.Adopt series connection and mode of mixing in parallel between inner each battery unit of this solar module, can be easily according to the output voltage and the electric current of the quantity regulating solar cell of series-parallel battery unit; Thereby realize reducing the internal resistance of cell, increase the effect of battery total voltage, promptly can get access to higher voltage and bigger electric current.Avoided the weak point of brownout under the excessive and parallel way of resistance under the series system simultaneously, can obtain to satisfy the solar cell of large-scale production and instructions for use, the scope of application is very extensive.
The modularized design of this solar module, i.e. the connected mode of connection in series-parallel combination, making unconspicuously to influence the global voltage and the electric current of whole solar cell assembly when some battery units break down.Overcome series-connected cell when one but battery breaks down this shortcoming that the entire cell assembly will be paralysed.This solar module transformation efficiency height has good electrical stability.
By designing the shape of different sull and catalyst layer, obtain more electric energy efficiency, for example: the solar module among the embodiment two adopts circular sull and catalyst layer, can under area identical, obtain bigger girth, make that the efficient of current delivery is higher.
The above; only be the preferable embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily, replace or be applied to other similar devices, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (15)
1. dye-sensitized solar battery assembly, its light anode and target are the electro-conductive glass that has conducting film, both stack relatively, are sealed to cavity by encapsulant, in the described cavity electrolyte are arranged, and it is characterized in that:
Be furnished with at least one cutting and the some and crossing silver-colored line of cutting on described smooth anode and the anticathode conducting film, form some conducting films zone;
A battery unit is formed in conducting film zone relative on light anode and the target, connects by electrode slurry with the every row's battery unit on the described cutting vertical direction, respectively arranges battery unit by connecting silver-colored line parallel after the series connection.
2. solar module as claimed in claim 1 is characterized in that, preparing in the conducting film zone of light anode in the described battery unit has sull, and preparing in each conducting film zone on the described anticathode conducting film has catalyst layer.
3. solar module as claimed in claim 1 is characterized in that, silver-colored line one ends that described some and cutting are intersected all are connected silver-colored line connection with described;
Connection silver line on the described smooth anode is arranged in an end of light anode, and the connection silver line on the then described target is arranged in the anticathode other end.
4. solar module as claimed in claim 1 is characterized in that, the silver-colored line of correspondence position is isolated by encapsulant on described smooth anode and the target, and also isolates by encapsulant between described cutting and the relative conducting film.
5. solar module as claimed in claim 1 is characterized in that, described sull is the nanoporous sull, and thickness is 5～15 μ m;
Described catalyst layer is that thickness is 0.001～10 μ m.
6. as the arbitrary described solar module of claim 1-5, it is characterized in that described sull is square, rectangle, circle, ellipse or other setting shapes;
Described catalyst layer is identical with size with the shape of described sull.
7. a dye-sensitized solar battery assembly preparation method is characterized in that, comprising:
Conducting film at electro-conductive glass depicts at least one cutting, and arranges some silver-colored lines that intersect with cutting, forms some conducting films zone; And the silver-colored line that is connected that arrange to connect silver-colored line one end that intersects with cutting;
On the conducting film in each conducting film zone of described electro-conductive glass, prepare sull, obtain the light anode; On the conducting film in each conducting film zone of electro-conductive glass, prepare catalyst layer, obtain target;
Described smooth anode and target are had relative the stacking of one side of conducting film, and then a battery unit is formed in two relative conducting films zones of position; To connect with the every row's battery unit on the described cutting vertical direction by electrode slurry, the battery unit of respectively arranging after the series connection is realized in parallel by the silver-colored line of described connection;
Light anode and anticathode electro-conductive glass periphery are sealed to cavity by encapsulant, charge into electrolyte in the cavity.
8. method as claimed in claim 7 is characterized in that, described being sealed to before the cavity also comprises:
Will be between the silver-colored line of the correspondence position on light anode and the anticathode electro-conductive glass isolate by encapsulant, and between described cutting and the relative conducting film also by the encapsulant isolation, make each battery unit form independently cavity by encapsulant.
9. method as claimed in claim 7 is characterized in that, the some silver-colored lines that intersect with cutting of described layout specifically comprise:
With silver paste or aluminum slurry the arrangement form that intersects with cutting according to design in advance, brush on the conducting film of described electro-conductive glass, put into Muffle furnace or tube furnace is heat-treated, obtain the silver-colored line in each cutting zone; Described heat treatment temperature is 450～550 ℃, and heat treatment time is 10～30min.
10. method as claimed in claim 9 is characterized in that, described brushing on the conducting film of described electro-conductive glass after, before heat-treating, also comprise: put into baking oven and dry, bake out temperature is 50～100 ℃, and drying time is 6～10min.
11. want 7 described methods, it is characterized in that described preparation sull obtains the light anode, specifically comprises as right:
Adopt the mode of silk screen printing, blade coating, spraying or sputter to press design form system film, and carrying out forming sull behind the sintering under 400～600 ℃ the temperature; Sintering time is 15～100min;
With the described sull behind the sintering, immerse soak 1～30 hour in the dye solution after, obtain the light anode.
12. method as claimed in claim 11 is characterized in that, described sull is the nanoporous sull, and thickness is 5～15 μ m.
13. method as claimed in claim 7 is characterized in that, described preparation catalyst layer obtains target, specifically comprises:
By silk screen printing, drip be coated with, the mode of spin coating or sputter is by design form system film, and under 350～500 ℃ temperature, heat-treat the back and form described catalyst layer;
Heat treatment time is 10～120min.
14. method as claimed in claim 13 is characterized in that, the thickness of described catalyst layer is 0.001～10 μ m.
15., it is characterized in that described sull is square, rectangle, circle, ellipse or other setting shapes as the arbitrary described method of claim 7-14;
Described catalyst layer is identical with size with the shape of described sull.
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| CN 200910177882 CN101697325A (en) | 2009-10-14 | 2009-10-14 | Dye-sensitized solar cell pack and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950677A (en) * | 2010-09-27 | 2011-01-19 | 彩虹集团公司 | Method for preparing dye-sensitized solar cell |
| CN103915260A (en) * | 2012-12-26 | 2014-07-09 | 凯惠科技发展(上海)有限公司 | Flexible-titanium-based dye sensitization solar cell module, manufacturing method and power supply |
| CN104124060A (en) * | 2013-04-28 | 2014-10-29 | 凯惠科技发展(上海)有限公司 | Internal tandem dye-sensitized solar cell, manufacturing method and power source |
| CN110268491A (en) * | 2017-03-24 | 2019-09-20 | 积水化学工业株式会社 | Solar cell module, the manufacturing method of solar cell module |
-
2009
- 2009-10-14 CN CN 200910177882 patent/CN101697325A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950677A (en) * | 2010-09-27 | 2011-01-19 | 彩虹集团公司 | Method for preparing dye-sensitized solar cell |
| CN103915260A (en) * | 2012-12-26 | 2014-07-09 | 凯惠科技发展(上海)有限公司 | Flexible-titanium-based dye sensitization solar cell module, manufacturing method and power supply |
| CN104124060A (en) * | 2013-04-28 | 2014-10-29 | 凯惠科技发展(上海)有限公司 | Internal tandem dye-sensitized solar cell, manufacturing method and power source |
| CN110268491A (en) * | 2017-03-24 | 2019-09-20 | 积水化学工业株式会社 | Solar cell module, the manufacturing method of solar cell module |
| CN110268491B (en) * | 2017-03-24 | 2021-09-07 | 积水化学工业株式会社 | Solar cell module and method for manufacturing solar cell module |
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