CN209150132U - The colored electro-conductive welding being integrated in solar cell module - Google Patents
The colored electro-conductive welding being integrated in solar cell module Download PDFInfo
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- CN209150132U CN209150132U CN201821592053.7U CN201821592053U CN209150132U CN 209150132 U CN209150132 U CN 209150132U CN 201821592053 U CN201821592053 U CN 201821592053U CN 209150132 U CN209150132 U CN 209150132U
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Classifications
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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
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- 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
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Abstract
The utility model describes the colored electro-conductive welding being integrated in solar cell module, which is connected to multiple solar battery group strings, and at least one conductive welding has colored coating on its at least the first outer surface.
Description
Technical field
The utility model relates to solar cell module, more particularly, to by including colored electro-conductive welding or can
The other materials of solar battery and/or solar cell module is directly attached to improve efficiency the solar battery with aesthetic feeling
Component can be formed from approach described herein.
Background technique
Over several years, the trend that fossil fuel is used as the energy is declining.Many factors facilitate this trend.Such as people are early
It has been recognized that the use of the fossil fuel energy option such as petroleum, coal and natural gas can generate and may be not easy from atmosphere
The gas of removal and pollution.In addition, more disposals of pollutants are right into atmosphere as more fossil fuel energies are consumed
Neighbouring life causes adverse effect.In spite of these influences, fossil fuel energy option is still being rapidly depleted, and therefore,
The cost of a part of these fossil fuel energies, such as the cost of petroleum have risen.Further, since many fossils fire
Material deposit is located at the area of political instability, and the supply of fossil fuel and cost are unpredictable.
Partially due to lot of challenges brought by these traditional energies, the demand to alternative energy source and clean energy resource is anxious
Increase severely and adds.In order to further encourage the use of solar energy He other clean energy resourcies, some governments, which have given, to be ready from traditional energy
It converts to the consumer of clean energy resource and provides currency subsidy or the reward of reduction or exemption of tax form.In other cases, consumer
It was found that the long-term saving benefit for being changed to clean energy resource has been over the relatively high preceding period cost for carrying out clean energy resource.
One of clean energy resource form, i.e. solar energy, it is more and more popular in the past few years.The progress of semiconductor technology
Enable the design of solar components and solar panels more efficient and there can be bigger output.In addition, for making solar energy
The material of component and solar panels has become relatively cheap, this facilitates the reduction of solar energy cost.Gradually with solar energy
As the clean energy resource option that individual consumer affords, solar components and panel manufacturers provide have it is beautiful and
The commercial product of practical attraction in residential structure for installing.Due to these benefits, solar energy has been obtained for global wide
General is universal.
Summary of the invention
The utility model provides solar cell module and/or solar battery including conductive welding, conduction weldering
There is colored coating on at least side of band.In addition, additionally providing the such colored coating conduction welding of manufacture or can be direct
The manufacturing method of the other materials of attachment thereon.
In embodiment, the method for forming colored electro-conductive welding for solar cell module is provided, this method includes step
It is rapid:
A) the welding bracket of slot including being set as accommodating conductive welding is provided,
B) conductive welding is fixed in the slot of welding bracket,
C) colored coating is at least coated on the conductive welding being fixed in slot,
D) colored coating on curing conductive welding, and
E) conductive welding is separated from the slot of welding bracket.
In embodiment, colored coating can be black combination or coating.
In embodiment, colored coating can be heat-insulated or conductive.
In embodiment, c) in coating colored coating the step of can by being coated selected from silk screen, roller coating or spraying at least
One method executes.
In embodiment, d) in solidification colored coating the step of can by be heating and curing or UV (ultraviolet light) solidification execute.
In embodiment, e) in front of the step of solidification colored coating in d) can occur the step of removing conductive welding.
In embodiment, welding can be fixed in slot by the binder being located in slot, in coating side provided herein
Welding is fixed temporarily to bracket during method.In such embodiments, binder is set as when the temporary support from binder
When separating conductive welding to discharge welding from slot and/or bracket, pollutant also is removed from the lower surface of conductive welding.
In embodiment, welding includes stomata, and stomata can be added to before or after coating method described herein
Welding.In embodiment, stomata can be formed by making welding be subjected to Sheet Metal Forming Technology.
In some embodiments, it is described herein for forming colored electro-conductive welding method packet for solar cell module
It includes:
A) upper surface of substrate is fixed to the lower surface of shielding plate, the upper surface of substrate includes binder material,
B) slot is formed, slot is set as accommodating conductive welding at least shielding plate, to form welding bracket,
C) conductive welding is fixed in the slot of welding bracket,
D) colored coating is coated on at least conductive welding in slot,
E) colored coating on curing conductive welding, and
F) conductive welding is separated from the slot of welding bracket.
In other other embodiments, it is described herein for forming colored electro-conductive welding for solar cell module
Method comprising steps of
A) upper surface of shielding plate is fixed to the lower surface of operating sheet, the upper surface of shielding plate includes first binder material
Material,
B) upper surface of substrate is fixed to the lower surface of shielding plate, the upper surface of substrate includes the second binder material,
C) slot is formed, slot is set as accommodating conductive welding at least shielding plate, to form welding bracket,
D) conductive welding is fixed in the slot of welding bracket,
E) colored coating is coated in and is fixed on at least conductive welding in slot,
F) colored coating on curing conductive welding, and
G) conductive welding is separated from the slot of welding bracket.
Detailed description of the invention
With reference to the accompanying drawings, the different aspect of the utility model is described, and is included in this specification as this specification
A part, in which:
It includes that the solar cell module of the solar battery with conductive welding is bowed that Figure 1A and 1B, which is two kinds of,
View；
Fig. 2 describes a kind of stream of the method for formation colored electro-conductive welding according to the utility model at least one embodiment
Cheng Tu；
Fig. 3 A is the perspective view according to the welding bracket including at least one slot of the utility model at least one embodiment；
Fig. 3 B and 3C are according to the utility model at least one embodiment including the weldering for the conductive welding being fixed in slot
The cross-sectional view of belt supporting frame；
Fig. 4 be according to the utility model at least one embodiment include conductive welding welding bracket perspective view；
Fig. 5 is the perspective view according to the welding bracket including at least one slot of the utility model at least one embodiment；
Fig. 6 is the perspective view according to the welding bracket including at least one slot of the utility model at least one embodiment；
Fig. 7 is the perspective view according to the welding bracket including at least one slot of the utility model at least one embodiment；
Fig. 8 A and 8B are the signal according to the method for the formation colored electro-conductive welding of the utility model at least one embodiment
Figure；
Fig. 9 A and 9B are to form coloured lead using the welding bracket in Fig. 4 according to the utility model at least one embodiment
It is welded the schematic diagram of the method for band；
Figure 10 A and 10B are showing according to the method for the formation colored electro-conductive welding of the utility model at least one embodiment
It is intended to；
Figure 11 A and 11B are showing according to the method for the formation colored electro-conductive welding of the utility model at least one embodiment
It is intended to；
Figure 12 A and 12B are that at least one is as described in the examples by the roughened side of conductive welding according to the utility model
The side sectional view of method；
Figure 13-16 is that at least one is as described in the examples by the roughened method of conductive welding according to the utility model
Side sectional view.
Specific embodiment
Below in reference to attached drawing, in more detail the further details to the exemplary embodiment of the utility model and aspect into
Row description.
The utility model is directed to the method for forming solar cell module, especially from including additional material attached to it
The solar cell module that the solar battery welding of material is formed, such as conductive welding, colour it to improve solar battery
And/or the efficiency and/or beauty of solar cell module.
The solar battery of the utility model is used as the structure block of solar cell module.Solar battery is by substrate in batch
At substrate is configured to generate energy by converting light energy into electricity.The example of suitable photovoltaic material includes but is not limited to
Material those of is made by polycrystalline silicon wafer or silicon single crystal wafer.These chips can be walked by main solar cell processing
Suddenly handled, these steps include wet-method etching or dry method making herbs into wool, knot diffusion, silicate glass layer removal and edge isolation,
Coating silicon nitride anti-reflection coating, front and back sides metallization.Chip can further by advanced solar energy processing step at
Reason, these steps include passivating back coating and selectivity embossing, to obtain passivation emitter back contacts (PERC) solar energy
Battery is compared and is had higher efficiency using the solar battery that above-mentioned standard process flow is formed.In other embodiments,
The solar battery can be p-type single crystal battery or N-type single crystal battery.Diffusion joint solar cell similarly as described above,
His high performance solar batteries include heterojunction solar battery, can be embossed using identical metal to manufacture stacked tile type component.
Solar battery can be for generally square (dead square) with chamfering or be complete square.
Figure 1A describes the solar cell module 10 of the first seed type formed from the group string 11 of solar battery 12
Top view, wherein group string 11 is electrically connected to each other via conductive collecting bar 13.In addition, solar battery 12 is via conductive interconnection item
14 are electrically connected to each other.Conductive welding is designed as the electric power generated by solar battery 12 is defeated such as busbar 13 and mutual latticing 14
It delivers to other adjacent solar battery and/or is carried to from a group string 11 other adjacent from a solar battery out
Group string.Conductive welding can pass through any suitable method well known by persons skilled in the art such as busbar 13 and mutual latticing 14
It is fixed to solar battery or solar cell module, including but not limited to uses electroconductive binder (EAC) and/or using weldering
Material.
As further illustrated in Figure 1A, conductive interconnection item 14 is placed across the central area of solar battery 12, thus
Some parts that are fully visible from the upper surface of solar battery and stopping some sunlight or masking solar battery 12.
In fig. ib, the solar cell module 19 of second of type is by the imbrication of solar battery 18 with array combination shape
At group string 16 formed, wherein group string 16 is electrically connected to each other via conductive collecting bar 17a-d.In addition, solar battery can be through
Be electrically connected to each other by conductive interconnection (not shown), conductive interconnection item be located at as shown in Figure 1B go out with solar cell module 19
On the opposite bottom side in top side.Conductive welding, such as busbar 17a-d and mutual latticing are designed as to be generated by solar battery
Electric power output deliver from a solar battery to other adjacent solar battery and/or be carried to from a band other
Adjacent belts and/or other string is carried to from a string.Conductive welding, such as busbar 17a-d and mutual latticing can pass through this
Any suitable method known to the technical staff of field is fixed to solar battery or solar cell module, including but not limited to
Using electroconductive binder (EAC) and/or use solder.
Conductive welding for solar battery or solar cell module is usually made of metal material.It is suitable efficient
Some examples of the metal material of conduct power include copper, gold, silver, tin, iron, nickel, lead etc..In addition, conductive welding can coat
Alloy not only protects copper, also provides the better bonding with solar battery.Metal alloy include but is not limited to Pb/Sn,
Pb/Sn/Ag, Sn/Ag, Bi/Sn/Ag etc..
Under any circumstance, welding is all well suited for conduction, but welding is also that can cover solar battery or solar energy
At least part of battery component, and it is also easy to the solid metal piece being pollutant-contaminated during processing.At the bottom of welding
Pollutant on side or on inward-facing side can reduce welding and solar battery, solar cell module and/or other weldings
Between electrical pickoff surface area, to reduce the electrical efficiency of welding.
In addition, welding is inaesthetic, because uncoated welding may protrude and/or can be with regular solar
The black or blue background of battery or solar cell module form sharp contrast.Therefore, it on the top side of welding or can weld
Color is added on the side that band faces out aesthetically to be advantageous, at the same as described herein coating processing as a result, by excellent
Change free of contamination bottom side or inward-facing side to improve the efficiency of welding.
As shown in Fig. 2, colored electro-conductive welding can be from least provided step manufacture.Normally, at least one is conductive
Colored coating is coated in at least side of conductive welding in conjunction with slot welding belt supporting frame by welding.In some embodiments, coloured
Coating is also coated at least some positions of slot welding belt supporting frame.In some embodiments, coating is only coated in the top side of welding.
In embodiment, by the way that the conductive welding of combination and welding branch are placed on coating unit, i.e. net painting machine, roll coater
Or colored coating is coated in flush coater, and colored coating at least goes up table in conductive welding by silk screen coating, spraying and/or roller coating
Face.Colored coating on conductive welding is then cured, at least one side, i.e., from the top side faced out in slot, to be formed
Colored electro-conductive welding, and conductive welding is separated with slot welding belt supporting frame.Present treatment is intended to retain the bottom side of conductive welding, that is, pushes up
The opposite side of side is not coated.Solar energy will be attached to as conductive welding described herein by having imagined uncoated lower surface
The surface of battery, solar cell module and/or other weldings.In some embodiments, solidify coloured painting using heat treatment
Layer handles solidification colored coating using UV in some embodiments.
In some embodiments, coating has been cured and has then separated from welding bracket.For example, this can be in reel-to-reel
In processing scheme, wherein welding is logical when being unfolded from welding material volume and be wound into new coating welding material volume with welding
Welding bracket is crossed to be continually supplied with.In other embodiments, before curing process and/or period, welding can be with weldings
Bracket separation.
As provided herein, colored coating is intended to complete the composition including at least one color, pigments or dyes.It has set
Want that any color can be used.However, colored coating can be the combination for making conductive welding black in some specific embodiments
Object, such as blacking or ink.In particular embodiments, colored coating can be the composition for making conductive welding white,
Such as white coating or ink.In some embodiments, coating can be conductive coating, i.e.,Conductive coating.In some implementations
In example, coating can be insulating moulding coating.In embodiment, colored coating can form texture coating, be suitable for improve from the welding back side to
The amount of the light of solar battery reflection.
In addition to color, pigments or dyes, colored coating described herein may include usually related with colored coating various
Other ingredients such as binder, filler, solvent, volatile organic compounds, dispersing agent, thixotropic agent, desiccant, fungicide, are killed
Mould dose, algicide, aromatic and combinations thereof.In embodiment, colored coating is liquid.In embodiment, colored coating is
Powdery.
Turning now to Fig. 3 A and 3B, welding bracket 22 includes at least one slot 25, is sized to accommodate at least one and lead
It is welded band 20.For example, slot includes flute length, groove width and/or groove depth, the welding of generally equal to conductive welding 20 is long, welding is wide and/or
Welding is high, so that it is guaranteed that cooperation of the welding 20 in slot 25 is suitable and dismountable.Welding bracket 22 is wide including stent length, bracket
Degree and support height, the wherein at least support width of bracket 22 and support height are greater than the welding width and welding height of welding 20
Degree.
In some embodiments, as shown in Figure 3 C, the groove depth of slot 25 is smaller than the welding height of conductive welding 20, this can be auxiliary
It helps and is limited to colored coating to be applied only on conductive welding 20 (rather than on welding bracket 22), because conductive welding 20 is upper
Surface 20a will extend across the upper surface 22a of bracket 22.
Slot 25 may include a pair of sidewalls 25a, 25b, and the bottom of slot 25 is extended to by the upper surface 22a from welding bracket 22
Face 25c limits groove depth.As shown, side wall 25a, 25b can be substantially parallel to connect each other each other and via the bottom surface 25c of slot 25
It connects, the bottom surface 25c 25a, 25b approximately perpendicular to sidewall.However be contemplated, in some other embodiments, side wall may that
This not substantially parallel and/or lower surface may be not substantially vertical.In addition, although depicted as substantially rectangular, welding bracket, slot
And/or conductive welding can be the arbitrary shape for being adapted for carrying out approach described herein.
Go out as shown in Figure 3 A-3C further shown in, bottom surface 25c may include binder 26, in coating described herein
During processing, by conductive welding 20, the lower surface 20b of especially conductive welding 20 removedly or is temporarily fixed in slot 25.
The coating also can be used as overspray barrier, prevent from adhering to any coating in being not coated by surface for welding.Due to the bottom of slot 25
Bonding between face 25c and the lower surface 20b of conductive welding 20 be merely intended to be it is interim, adhesive strength is set as resistance enough and exists
The power that is applied thereon during any coating and/or curing process, at the same be still set as by it is a little higher than those in coating and/or
Power during curing process is destroyed, and finally can comparatively easy remove welding from slot in this way.Using one or more solvents,
Even water can easily remove adhesive layer on the downside of welding, to ensure clean surface for finally combining simultaneously with group string 11
Pass through its conduction.Alternatively, binder, which can be chosen for having bracket, compares the stronger bonding force of welding, to work as welding from bracket
Be left in place when removal, and solvent can on bracket to remove binder.Some non-limiting examples of suitable binder
Including pressure sensitive adhesives, hot-melt adhesive, can dissolve binder, reaction cement, Bicomponent binder, synthetic binder,
Biological binder and combinations thereof.
In some embodiments, binder is pressure sensitive adhesives.Some pressure sensitive adhesives may include elastomer, such as natural rubber
Glue, vinyl ethers, acrylic resin, butyl rubber, styrene block copolymer, silicone and nitrile.In some embodiments, it presses
Quick binder can be chosen based on the adhesive strength in one section of specific time of binder.For example, pressure sensitive adhesives can be peelable
From PSA, wherein the binder is intended to be removed at some time points without injuring welding and/or welding bracket.Other are unrestricted
Property example includes high viscosity PSA, permanent PSA and/or frozen type PSA.
In addition, binder 26 can protect the lower surface 20b of conductive welding 20 not by possible dirt when removing welding from slot
It contaminates object pollution and/or removes the pollutant of the lower surface 20b of conductive welding 20.For example, in coating described herein and/or solidification
During processing, any pollutant on the lower surface of welding can be fixed to binder, and keep bonding when welding is separated from slot
To binder, thus the welding top side and the welding bottom including measuring the pollutant or contamination-free that reduce that provide coloured coating
Side.
In fig. 4 it is shown that including the welding bracket 110 of slot 115, conductive welding 120 and a pair are accommodated in slot 115
Cover auricle 130a, 130b.It covers auricle 130a, 130b and limits opening 135, opening width is less than groove width.It is such to set
Setting, which allows to cover auricle 130a, 130b, prevents some parts, is in the case the outside of the upper surface 122 of conductive welding 120
Edge 123 is during coating processing by any coloured coating.Although depicted as with substantially straight edge, masking auricle has been imagined
The edge of 130a, 130b may be the same or different, and can be arbitrary shape or configuration, i.e. circle, sinusoidal, zigzag etc..
In some embodiments, masking auricle can be made of material identical with welding bracket is used to form.In some realities
It applies in example, masking auricle can be separately added to welding bracket.In some embodiments, masking auricle may be from welding bracket
It is removable and/or be replaceable.In some embodiments, masking auricle can be by being suitable for that colored coating material is prevented to be painted on
At least part of paper, rubber, silicone or the plastic material of conductive welding are made.
As shown in Figure 3 and Figure 4, in some embodiments, welding bracket can be single sheet, i.e. single sheet.At it
In his embodiment, detailed description is locked as shown in Figure 5 and Figure 6 and hereafter, welding bracket can be formed by multi-layer sheet, i.e. multilayer
Thin slice.
No matter layer how, welding bracket can by it is any be suitable for it is fixed during coating as described herein and/or solidification process
The material of welding is made, for example, in some embodiments, welding bracket can be made of plastics or polymeric material, these materials
It can mould, suppress, squeezing etc. to form the global shape of bracket.In some embodiments, welding bracket can by paper and/or
Paperlike products, such as cardboard are made.
In some embodiments, slot welding belt supporting frame can be prepared by any suitable molding, extruding and/or pressing process.
In some embodiments, the slot of monolithic welding bracket can be formed after forming welding bracket, i.e., by cutting from welding bracket
Slot is formed except material.
Fig. 5 is turned to, welding bracket 210 includes at least one shielding plate 212, viscous located immediately at including and/or being coated with
Tie the top of the substrate 211 of agent 225.Welding bracket 210 includes being formed at least one shielding plate 212 or by least one
The slot 215 that shielding plate 212 is formed.For example, in some embodiments, multiple shielding plates can be spaced configuration located immediately at substrate
On 211, interval configuration generates interval or slot between each shielding plate, and makes a part exposure of substrate or expose, thus
Generate slot therebetween.In some embodiments, single shielding plate 212 can be directly on 211 top of substrate, and be then cut out masking
Piece to remove a part of shielding plate from substrate 211, to generate slot 215.
In some embodiments, welding bracket includes a slot or at least one slot.In other embodiments, welding bracket
Including multiple slots, transfer that multiple conductive weldings can be accommodated.In embodiment, a slot accommodates a welding.
As shown in Figure 6 and Figure 7, welding bracket 310,410 can be formed by two or more, and particularly, three pieces,
That is substrate 311 and 411, shielding plate 312 and 412, screening glass 313 and 413.Shielding plate 312,412 is straight via binder 325,425
It connects positioned at the top of substrate 311,411, and forms slot 315,415a, 415b.Screening glass 313,413 is via binder 335,435
Located immediately at the top of shielding plate 312,412, and screening glass 313,413 is intended at least prevent welding and/or pollutant prematurely
Into slot 315,415a, 415b.
In some embodiments, screening glass 313,413 can be combined with shielding plate 312,412, be added to substrate 310,
Before 410, the width of slot 315,415a, 415b are predefined.Usually received after constructing slot, in slot conductive welding it
Before, screening glass is removed from shielding plate.
Fig. 8 is turned to, the process for being described herein for being formed colored electro-conductive welding is shown.Originally, substrate 511 and screening
The combination of piece 512 is covered, which includes the upper surface for being coated with binder, and particularly, if shielding plate 512 is not covered with
Entire substrate, the then major part of covering substrate 511.Once in conjunction with, cut shielding plate 512 to remove a part of shielding plate 512,
To generate slot 515.Any suitable method can be used to cut the shielding plate.Some non-limiting examples include using laser,
Pocket knife, blade, ultrasonic wave, press machine, scissors etc. cutting.Once removing the slice of shielding plate 512 and forming slot 515, will lead
Electric welding band 520 is placed and/or is fixed in slot 515, and the remainder of shielding plate 512 forms side wall.In embodiment, conductive
Welding 520 is fixed in slot 515 via the binder for the upper surface for being located at substrate 511.It has already envisaged in some cases, once
The slice of shielding plate is removed, and before receiving welding, binder can be coated in the bottom surface of slot again, it may because removing slice
Remove the binder that some scripts are located on substrate.
As further illustrated in Figure 8, before coating, the upper surface of conductive welding 520 is uncolored and/or display is golden
Belong to texture.In next step, colored coating is coated on the conductive welding 520 in the slot 515 for being fixed on welding bracket 513, solidification is led
The colored coating being welded on band 520, the conductive welding for having carried out coloured coating is separated from welding bracket.
In some embodiments, after solidification, the conductive welding 520 of coloured coating and 515 physics of slot point of welding bracket 513
From.For example, in some cases, the conductive welding 520 of cured coloured coating can be removed from slot 515, especially from base
Binder removing on the upper surface of piece 511.In this case, once welding is removed from welding bracket, welding bracket is appointed
What position is all no longer contacted with welding.
In some embodiments, welding 520 is made to be detached from welding bracket 513 by cutting or being punched, coloured coating is led
It is welded band 520 and 513 physical separation of welding bracket.When cutting or being punched from welding bracket 513 and be detached from, substrate 511 is extremely
Few a part may also be cut or be determined and is detached from from welding bracket 513, and be remained adhered on welding 520, therefore be welded
It is still adhered to 520 at least part of substrate 511, if not being adhered to entire substrate 511.
As further described in Fig. 8, colored electro-conductive welding can be the solid welding 520a or welding 520b including stomata.
Having imagined stomata can any time addition during process described herein.For example, in some embodiments, can welding into
Stomata is added before entering slot.In such embodiments, when coating colored coating, colored coating not only covers the upper table of welding
Face can also cover some positions of the inner wall of the stomata by welding thickness limit, if not all sites.
In some other embodiments, stomata can be added after applying coating to conductive welding.In other realities
It applies in example, it can be in solidify coating and/or from addition stomata after separation welding in slot to conductive welding.In such embodiment
In, stomata inner wall can not include colored coating.
In some embodiments, stomata is symmetrically distributed in entire welding.
In some embodiments, stomata is asymmetricly distributed in entire welding.For example, an edge of welding is compared,
It another edge of welding can be closer to stomata.Due to the asymmetric distribution of stomata, it is adhered to the welding surface district of substrate 511
Domain may be unevenly to be distributed.The substrate 511 for removing adherency will lead to welding and generate curved surface, because asymmetric stomata leads to base
The peeling force of piece 511 is not uniformly distributed on entire welding.Therefore, in such embodiments, asymmetric gas is being formed
Before hole, it is non-right to prevent that the welding of coloured coating is removed completely from substrate 511 (and from slot or welding bracket)
Claim the bending of stomata welding or arch to be advantageous.
In the fig. 8b, the process of formation colored electro-conductive welding other as described herein is shown.Originally, it is spaced each other
And combined via multiple shielding plate 612a, 612b that binder is fixed to outer screening glass 613 with substrate 610, shielding plate 612a,
612b is between screening glass 613 and substrate 610.Screening glass 613 interim overlay masking piece 612a and 612b, substrate 610 and slot
615.Once in conjunction with screening glass 613 is removed, from shielding plate 612a, 612b to provide the channel for arriving slot 615.It is protected once removing
Conductive welding 620 is placed and/or is fixed in slot 615 via binder by bluff piece 613, and by the surplus of shielding plate 612a, 612b
Remaining part position forms side wall.In next step, colored coating coats the conductive welding 620 into the slot 615 for being fixed on welding bracket 614
On, the colored coating on curing conductive welding 620 separates the conductive welding of coloured coating from the slot of welding bracket 614.
Although Fig. 8 A depicts the technique using similar Fig. 5 and multilayer welding belt supporting frame shown in Fig. 6 with 8B, it is contemplated to
The described technique for coating conductive welding of Fig. 8 A and 8B is able to use single layer welding belt supporting frame, as Fig. 3 A, 3B, 3C, 4 and/
Or any welding bracket shown in 7.
In some embodiments it is possible to conductive welding be coated in a manner of substantially going out as shown in figs. 8 a or 8b, wherein using
Welding bracket in Fig. 4, as single-layer or multi-layer welding bracket.As illustrated in figures 9a and 9b, using the welding bracket pair in Fig. 4
Conductive welding 650,660 is coated, and coats conductive welding 650a, 660a to be formed, uncoated with first and second
Outer edge position 653a, 653b, 663a, 663b, the length along coating welding 650a, 660a longitudinally extend.Uncoated outside
Edge position 653a, 653b, 663a, 663b are located at the two sides at the intermediate position 655,665 of coating.
Uncoated outer edge position 653a, 653b, 663a, 663b can be removed from the intermediate position of coating 655,665
Or separation, to form conductive welding 650b, 670a, 670b, 670c of the coating at the intermediate position 655,665 only including coating.
It can be used any appropriate method by uncoated outer edge position 653a, 653b, 663a, 663b from the intermediate position of coating
655,665 machine cuts or separation including but not limited to use blade, punching press, punching or laser cutting.
By using the welding bracket of similar Fig. 4, in coating and/or solidification process, the outer edge of conductive welding is still
The rear side for not being coated and preventing coating from reaching conductive welding.Therefore, in some embodiments, in coating procedure, Fig. 4's is led
The slot of electric welding band can not include that the rear side of binder and/or the conductive welding of Fig. 9 A and 9B non-cohesive can have binder or glue
Band.
As Fig. 8 A, 8B, 9A and 9B further shown in, colored electro-conductive welding can for solid (do not have stomata) welding 520a,
620b, 670a, 670b, 670c, 655 or welding 520b, 620a, 650b, 675a, 675b, 675c including stomata.Gas is imagined
Hole can be added in any time during processing described herein.For example, in some embodiments shown by Figure 10 A and 10B,
Stomata can be added before conductive welding enters slot and/or before coating colored coating.In such embodiments,
In coating, coating composition not only covers the upper surface of welding, can also cover the inner wall of the stomata by welding thickness limit
Some positions, if not all sites.
In some other embodiments, it as shown in Fig. 9 A, 9B, 11A and 11B, can be applied coating and/or solidifying
Stomata is added to conductive welding after layer.In further embodiments, welding can be separated in solidify coating and/or from slot
Later, stomata is added to conductive welding.In such embodiments, stomata inner wall can not include colored coating.
As shown in Fig. 9 A, 9B and 10A, in some embodiments, (solid) the conductive welding 655,665,710 of pore-free can be into
The processing of some modes of row introduces stomata.In embodiment, stomata can be formed by stamping process.Punching course or removal are led
The some parts of electric welding band can be carried out in many ways with the process for forming stomata, such as mechanical stamping processing or laser are burnt
Erosion/cutting process.In certain embodiments, stomata can be generated by press machine.Once punching press (forms stomata), the weldering of punching press conduction
Band can be coated via one of technique described herein.If Fig. 9 A, 9B and 10A are specifically illustrated, punching press conduction welding can be applied
Be covered with colored coating, i.e. blacking or composition, and be curable to produce color and/or black conductive welding.
In some embodiments, as shown in Fig. 9 B and 10B, processed conduction welding can have enough width, at this
After coating processes described in text, colored electro-conductive welding can be cut to multiple relatively narrow items with smaller width, be suitable for
As mutual latticing or busbar.
If Figure 10 B is further described, (solid) the conductive welding 810 of the pore-free with additional width can be in some manner
Processing introduces stomata.In embodiment, stomata is formed via stamping process.Punching course or some portions for removing conductive welding
Dividing can be carried out with the process for forming stomata in many ways, such as mechanical stamping processing or laser ablation/cutting process.?
In specific embodiment, stomata can be generated by press machine.Once punching press (forms stomata), punching press conduction welding 820 can be via this
One of technique of text description coating colored coating.If Figure 10 B is specifically illustrated, punching press conduction welding 820 can be coated with coloured painting
Layer, i.e. blacking or composition, and be curable to produce color and/or black conductive welding.The coloured and/or black conductive weldering
Band is then able to be cut to multiple relatively narrow 840a-d with smaller width, can be used laser, pocket knife, blade, ultrasonic wave,
Press machine, scissors and combinations thereof execute cutting step.
As shown in Figure 11 A, in some embodiments, (solid) the conductive welding 910 of pore-free can be via work shown in this article
One of skill coats colored coating.Once coating and/or solidifying, the conductive welding of coloured coating can handle introducing gas in some manner
Hole.In embodiment, stomata is formed via stamping process.The some parts for the conductive welding that stamping process or removal have been coated with
It can be carried out in many ways with forming the process of stomata, such as mechanical stamping process or laser ablation process.Specific
In embodiment, stomata can be generated by press machine.
If Figure 11 A is specifically illustrated, conductive welding 910 can coat colored coating, i.e. blacking or composition, and solidify
Coloured and/or black conductive welding 920 is generated, and is then able to its punching press to form gas in the conductive welding having been coated with
Hole, to form the porous, electrically conductive welding of coloured coating and/or the porous, electrically conductive welding 930 of black coating.
In some embodiments, as shown in Figure 11 B, processed conductive welding 950 can have enough width, herein
After described coating processes, colored electro-conductive welding 950 is then able to be cut to multiple relatively narrow items with smaller width,
It is suitable for mutual latticing or busbar.
If Figure 11 B is further described, (solid) the conductive welding 950 of the pore-free with additional width can coat coloured painting
Layer, i.e. blacking or composition, and be curable to produce color and/or black conductive welding 960.In some embodiments, have
Color and/or black conductive welding 960 can handle introducing stomata in some manner.In embodiment, stomata is via stamping process shape
At.Punching course or some parts for removing conductive welding can be carried out in many ways with the process for forming stomata, such as
Mechanical stamping processing or laser ablation process.In certain embodiments, stomata can be generated by press machine.Once punching press (shape
At stomata), the colored electro-conductive welding 970 of the punching press can be cut to multiple relatively narrow 980a-d with smaller width.It can make
Cutting step is executed with laser, pocket knife, blade, ultrasonic wave, press machine, scissors and combinations thereof.
In an alternate embodiment of the invention, coloured and/or black conductive welding 960 is being prepared as including stomata, i.e., before punching press,
Multiple relatively narrow 975a-d with smaller width can be cut to.Once being cut to relatively narrow item, multiple can jointly or individually
Ground processing be include stomata, i.e. punching press, to form colored electro-conductive welding punching belt 980e-h.
It in a further embodiment,, can be by this paper institute in any time of manufacturing process as Figure 12 A-16 is discribed
The conductive welding roughening stated, increases flannelette at least partly welding surface.By increasing flannelette to welding, when the system along welding
When suede position adheres to or is bonded to solar battery (including solar battery band or solar cell module), the bonding of welding is strong
Degree or peel strength will significantly improve.
In some embodiments it is possible to before coating that welding is roughening to include flannelette.In some embodiments it is possible to
It is after application that welding is roughening to include flannelette.
Flannelette may be continuous or discontinuous along any outer surface of welding.In some embodiments, flannelette is only
On uncoated position in welding outer surface.In some embodiments, flannelette only exists on the coating position of welding outer surface.
In some embodiments, flannelette is on the coating position and uncoated position of welding outer surface.
As illustrated in fig. 12, in some embodiments, conductive welding 1210 can be from least one roughening elements 1220 and big
It causes to pass through between straight hard surface 1230, to generate flannelette 1240a-c at least one surface of conductive welding 1210.Such as
Figure 12 A is further shown, and roughening elements 1220 are the roller according to rotation shown in arrow, the outer surface stress of roller 1220
It is against the first surface 1210b of welding 1210, the making herbs into wool by surface roughening.Particularly, passing through roughening elements 1220
Before, conductive welding 1210, regardless of whether coating, is initially able to the non-making herbs into wool surface 1210a for having smooth.Roughening elements
1220 have outer surface 1221, are set as being against on hard surface 1230 and keeping smooth surface 1220a thick smooth surface 1220a
Roughening, to generate flannelette 1240a-c at least the first side 1210b of welding 1210.Flannelette may be the random of various depth
(1240a) or figuratum (1240b, 1240c) texture.Roughening elements 1220 may include figuratum matt appearance
Face 1221, when being applied to welding 1210, under conditions of appropriate, i.e. pressure, temperature, duration etc., by figuratum coarse table
The mirror image in face is transferred at least the first side 1210b of welding 1210.Although showing once-through and in one direction execution
Processing, it is contemplated to any roughening treatment as described herein may include welding on roughening elements multipass and/or with
Many directions.
As shown in Figure 12 B, in some embodiments, conductive welding can lead between multiple roughening elements 1220,1222
It crosses, to generate flannelette 1245a-c at least two surfaces of conductive welding 1210.The two surfaces are relative to each other, for example,
Upper and lower surfaces.Roughening elements 1220,1222 are portrayed as the roller rotated according to corresponding arrow, roller 1220,1222
Outer surface 1221,1223 stress be against on the first smooth surface 1210b and the second smooth surface 1215b of welding 1210, with
Make welding roughening to making herbs into wool on it on multiple surfaces.Particularly, packet is being generated by roughening elements 1220,1222
Before the two-sided making herbs into wool welding for including the first flannelette 1210b and the second flannelette 1215b, conductive welding 1210, regardless of whether coating, most
May just have substantially smooth non-making herbs into wool surface 1210a, 1215a.
As shown in figure 13, in some embodiments, conductive welding 1310 can be from pressure head 1330 and at least one roughening member
Part 1320, as making herbs into wool linear surface between pass through, to generate flannelette at least one surface of conductive welding 1310
1340a-c.In such embodiments, the making herbs into wool linear surface of roughening elements 1320 may be static, and pressure head 1330
It is set as mobile towards roughening elements 1320 or slides (as shown by arrows), while welding 1310 is therebetween.It has already envisaged for
In some embodiments, pressure head may also be making herbs into wool face, be set as the second surface opposite with first surface being roughened.This
Outside, in some embodiments, pressure head and roughening elements are set as moving toward each other or slide, while welding is therebetween.
As shown in figure 14, in some embodiments, conductive welding 1410 can be such as rigid in the linear roughening elements 1420 of making herbs into wool
Grinding above sand plate, emery stone or grinding tool, to generate flannelette 1440a-b at least one surface of conductive welding 1410.
In such embodiments, at least one of roughening elements 1420 or welding 1410 relative to another under stress move with
By the surface roughening of welding 1410.
Figure 15 is turned to, in some embodiments, roughening elements 1520 are laser equipment, are set as in conductive welding 1510
At least side 1510a on laser scanning or engraving flannelette 1540a-c.In some embodiments, laser equipment 1520 can be opposite
May static conductive welding 1510 move in any direction, i.e., forward, back, up, downwards, edge to edge etc..Although only showing
The side of welding out, having already envisaged for laser equipment can be located on more sides of welding.
In Figure 16, roughening elements 1620 are not by removing material for the surface roughening of welding 1610.Roughening member
Part 1620 would rather be set as increasing material, such as particle or sand, until the surface of welding 1610 generates flannelette 1640a-c.?
In some embodiments, roughening elements 1620 are abrasive blast equipment, can relatively may static conductive welding 1610 in any side
To movement, i.e., forward, back, up, downwards, edge to edge etc..Although only showing the side of welding, abrasive blast equipment energy is had already envisaged for
Enough on more sides of welding.
Flannelette as described herein can produce roughness, cause ditch of the depth bounds from 0.01 micron to 1000 micron, slot, recessed
Trace, crack etc..In some embodiments, roughness depth range may be from about 0.1 micron to 500 microns.In some embodiments
In, roughness depth range may be from about 1 micron to 250 microns.In some embodiments, roughness depth range may be from about
10 microns to 100 microns.
Flannelette as described herein can will coat adhesion strength or peel strengths improved between welding and solar battery
The amplitude of 0.1N to 1N.In some embodiments, the amplitude of 0.2N to 0.5N is improved.In some embodiments, 0.3N is improved extremely
The amplitude of 0.4N.
In some embodiments, the utility model describes the solar battery group including multiple solar battery group strings
Part, each group of string include solar battery imbrication with array and at least one the conductive welding for being connected to multiple groups of strings, wherein should
At least one conductive welding includes the colored coating on the first outer surface of busbar.Conductive welding can be soldered to solar energy
Battery component group string and/or solar cell module group string is adhered to using known conductive adhesive.In some embodiments,
Colored coating is in the upper surface of welding.In some embodiments, colored coating is on the upper surface and opposite lower surface of welding.
In some embodiments, the colored coating on welding is black composite material.In some embodiments, black is compound
Material is blacking.In some embodiments, blacking is conductive black coating.
In some embodiments, colored coating is in the intermediate position of conductive welding, length of the intermediate position along conductive welding
Degree is longitudinal to be extended, and the first uncoated outer edge and the second outer edge longitudinally extend along the length of conductive welding and be located at middle part
The two sides of position.
In some embodiments, aspectant extremely in the first appearance after first surface coats colored coating compound
Few second outer surface does not have pollutant.
In some embodiments, conductive welding further includes multiple stomatas.
In some embodiments, multiple stomatas are asymmetrically distributed on entire welding.
It in some embodiments, include flannelette in aspectant at least the second outer surface of the first appearance.
In some embodiments, the roughness of flannelette has from about 0.01 to about 1000 micron of depth.
In some embodiments, flannelette increases the adhesion strength between conductive welding and solar battery group string about
0.3N to 0.4N.
In addition to conductive material, some of the upper surface of solar battery or solar cell module may be often attached to
Additional materials include for example identifying label.Although not necessarily conductive, identification label such as bar code or QR code are typically used in
On each individually solar battery or solar cell module, to ensure the source of solar battery or solar cell module
Reliability.However, these labels are usually predominantly white, metalloid conduction welding, when being placed on black solar-electricity
It when on pond or solar cell module, not only can aesthetically protrude, but also facet may be provided on battery or component
Product shade.
Therefore it provides the identification label for being primarily not white all will be beneficial in terms of aesthetics and efficiency.For example, in reality
It applies in example, label can be coloured, such as black or blue, to match solar battery or solar cell module, and
Bar code or QR code information can be used the coating composition of different colours, i.e. ink prints.For example, in specific embodiment
In, black label can be handled as described herein, coat white ink, wherein white ink present bar code information and
Black label is background.In such embodiments, the black and white part of common bar code or QR code is reversed so that
Most of blackening of label and label small part become white, to allow most of label and solar battery or solar energy
Surfaces of cell is coordinated.
The other option for obtaining same label effect may include since normally white label and coating such as this paper institute
The black coating stated.However, replace with black print bar code or QR code information, it can be with applying coating to form bar code
Or the profile or template of QR code information, i.e., reversed print code information.In such embodiments, white label will pass through black
Profile coating is shown as bar code or QR code information.In such embodiments, the black and white of usual bar code or QR code
Part be reversed so that most of blackening of label and label small part become white, thus allow most of label with too
Positive energy battery or solar cell module surface are coordinated.
Although showing multiple embodiments of the utility model in figure, the utility model is not limited to this, but
It is same as the range that this field allows wide to be intended to the scope of the utility model, and specification is also same.Above-described embodiment is appointed
What combination has also been imagined and in scope of the appended claims.Therefore, above description should not be construed as limited to, and
It is merely possible to the example of specific embodiment.Those skilled in the art are by other modifications expected in scope of the appended claims
It is interior.
Claims (14)
1. a kind of solar cell module, including
Multiple solar battery group strings, each group of string include solar battery imbrication band array, and
At least one conductive collecting bar is connected to multiple groups of strings, wherein at least one described conductive collecting bar is included in busbar
At least the first outer surface on colored coating.
2. solar cell module according to claim 1, which is characterized in that the colored coating is black composite wood
Material.
3. solar cell module according to claim 2, which is characterized in that the black composite material is black painting
Material.
4. solar cell module according to claim 3, which is characterized in that the blacking is conductive black painting
Material.
5. solar cell module according to claim 1, which is characterized in that the colored coating is in conductive welding
Intermediate position, intermediate position longitudinally extend along the length of conductive welding, and the first uncoated outer edge and the second outer edge edge are led
The length for being welded band longitudinally extends and is located at the two sides at intermediate position.
6. solar cell module according to claim 1, which is characterized in that it is compound to coat colored coating in first surface
After object, there is no pollutant in aspectant at least the second outer surface of the first appearance.
7. solar cell module according to claim 1, which is characterized in that conductive welding further includes multiple stomatas.
8. solar cell module according to claim 7, which is characterized in that the multiple stomata is asymmetrically distributed with
On entire welding.
9. solar cell module according to claim 1, which is characterized in that in the first appearance aspectant at least second
Outer surface includes flannelette.
10. solar cell module according to claim 8, which is characterized in that the roughness of flannelette has from about 0.01
To about 1000 microns of depth.
11. solar cell module according to claim 10, which is characterized in that flannelette is by conductive welding and solar-electricity
Adhesion strength between the group string of pond increases about 0.3N to 0.4N.
12. solar cell module according to claim 1 further includes at least one identification label, the identification label
Most of is not white.
13. solar cell module according to claim 12, which is characterized in that the identification label is coating white ink
The black label of water, wherein white ink indicates bar code information, and black label is background.
14. solar cell module according to claim 12, which is characterized in that the identification label is coating black ink
The white label of water, wherein the black ink table shows bar code black silhouette, and white label is by indicating bar code information
Black silhouette show.
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| CN201821592053.7U CN209150132U (en) | 2018-10-31 | 2018-10-31 | The colored electro-conductive welding being integrated in solar cell module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065656A (en) * | 2018-10-31 | 2018-12-21 | 伟创力有限公司 | The method for forming the colored electro-conductive welding for being integrated in solar cell module |
| JP2021064671A (en) * | 2019-10-11 | 2021-04-22 | 京セラ株式会社 | Solar cell module |
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2018
- 2018-10-31 CN CN201821592053.7U patent/CN209150132U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065656A (en) * | 2018-10-31 | 2018-12-21 | 伟创力有限公司 | The method for forming the colored electro-conductive welding for being integrated in solar cell module |
| US11088292B2 (en) | 2018-10-31 | 2021-08-10 | The Solaria Corporation | Methods of forming a colored conductive ribbon for integration in a solar module |
| US11876139B2 (en) | 2018-10-31 | 2024-01-16 | Solarca Llc | Methods of forming a colored conductive ribbon for integration in a solar module |
| JP2021064671A (en) * | 2019-10-11 | 2021-04-22 | 京セラ株式会社 | Solar cell module |
| JP7483345B2 (en) | 2019-10-11 | 2024-05-15 | 京セラ株式会社 | Solar Cell Module |
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