CN105932084A - Solar battery pack and preparation method thereof - Google Patents
Solar battery pack and preparation method thereof Download PDFInfo
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- CN105932084A CN105932084A CN201610297962.7A CN201610297962A CN105932084A CN 105932084 A CN105932084 A CN 105932084A CN 201610297962 A CN201610297962 A CN 201610297962A CN 105932084 A CN105932084 A CN 105932084A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 7
- 238000003466 welding Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention relates to a solar battery pack and a preparation method thereof. The solar battery pack includes a battery pack which includes a plurality of battery pieces which are connected and arranged in rows and columns. In the row direction, adjacent two battery pieces are in overlapped series connection through a connecting piece. In the column direction, adjacent two battery pieces are in parallel connection through a connecting piece. The solar battery pack can increase conversion efficiency of the solar battery pack, and at the same time, the battery pieces and the adjacent battery pieces are in electrical connection. Therefore, since each battery piece of the solar battery pack is an independent unit, when a certain battery piece breaks or adjacent two battery pieces are separated due to physical or elastic changes, a current may flow to adjacent battery pieces which are in parallel connection and no bad influence will be exerted on the residue battery pieces, which is conducive to the reduction of power loss of the entire solar battery pack. In addition, the invention also provides a preparation method of the solar battery pack.
Description
Technical field
The present invention relates to technical field of solar batteries, particularly relate to a kind of solar module and system thereof
Preparation Method.
Background technology
Solar energy is as a kind of emerging energy, compared with traditional Fossil fuel, have inexhaustible with no
Exhaust, the advantage of each side such as clean environment firendly.A kind of Solar use mode currently mainly is to pass through solar energy
The luminous energy of reception is converted into electric energy output by battery component, and traditional solar module is by some sun
Can be packaged and by the area battery group of square formation arrangement formation after cell piece (or claiming photovoltaic cell) series connection
Part.Wherein, solar battery sheet absorbs luminous energy, and the accumulation of heterocharge occur in battery two ends, i.e. produce " light
Raw voltage ", here it is " photovoltaic effect ", under the effect of photovoltaic effect, solaode
Two ends produce electromotive force, thus convert light energy into electric energy.
Traditional solar module generally includes several battery tandems, and each battery tandem includes some
The solar battery sheet of individual series connection.But, during the use of above-mentioned solar module, due to thing
The change of reason or elasticity is easily caused solar battery sheet fracture or adjacent two solar battery sheets divide
From, then the Circuit Interrupt of the battery tandem at its place, cause losing efficacy, cause whole solar module
Power loss.
Summary of the invention
Based on this, it is necessary to for the problem of the power loss of traditional solar module, it is provided that a kind of
Reduce the solar module of power loss.
A kind of solar module, including set of cells, described set of cells includes several cell pieces coupled,
Described cell piece is arranged according to the mode embarked on journey in column；
In the row direction, adjacent two described cell pieces use the overlapping series connection of connector；
In a column direction, adjacent two described cell pieces are in parallel by described connector.
In above-mentioned solar module, adjacent two cell pieces use the overlapping series connection of connector, it is possible to increase
The transformation efficiency of solar module.Simultaneously as cell piece is electric connection with adjacent cell piece,
Therefore, each battery compared with traditional solar module, in the solar module of the present invention
Sheet is separate unit, even if owing to the change of physics or elasticity causes certain cell piece to rupture or adjacent
Two cell pieces separate, and electric current can flow to cell piece adjacent thereto and in parallel, without to remaining battery
Sheet has undesirable effect, and advantageously reduces the power loss of whole solar module.
Wherein in an embodiment, described cell piece is that battery cuts sheet, and described battery cutting sheet is by the sun
Can cell piece cutting form.
Wherein in an embodiment, all described cell piece in same string shares described connector.
Wherein in an embodiment, all described cell piece in same string is positioned at the same of described connector
Side.
Wherein in an embodiment, described connector in the form of sheets, described connector be internally provided with in order to
Connect the hollow hole of described connector both side surface.
Wherein in an embodiment, described connector is strip, the margin location on the long limit of described connector
Install and be equipped with several spaced breach, and described breach is not communicated with described hollow hole.
Wherein in an embodiment, described cell piece includes front electrode and backplate；
Described connector includes the first surface being connected with described front electrode and is connected with described backplate
Second surface, described first surface is provided with the first alternately arranged join domain and the first disconnected district
Territory, described second surface is provided with the second join domain and the second non-attached area, institute being alternately to connect
State the first non-attached area projected area on the first surface more than or equal to described second bonding pad
Territory projected area on the first surface；
Described front electrode is connected with described first join domain, described backplate and described second bonding pad
Territory connects.
Wherein in an embodiment, described first join domain is projected as the first throwing at described first surface
Shadow, described second join domain is in second projection that is projected as of described first surface, described first projection and phase
What neighbour described second projected is spaced apart 1mm～20mm.
Wherein in an embodiment, described front electrode and described backplate are all along the length of described cell piece
Degree direction extends, and is respectively arranged with first on described first non-attached area and described second non-attached area
Intercept weld layer and second and intercept weld layer.
Wherein in an embodiment, described front electrode and described backplate are all along the length of described cell piece
Degree direction extends, and described front electrode is provided with the 3rd alternately arranged join domain and the 3rd disconnected district
Territory, described backplate is provided with the 4th alternately arranged join domain and the 4th non-attached area；
Described 3rd join domain is connected with described first join domain, described 4th join domain and described the
Two join domains connect, and described 3rd non-attached area and described 4th non-attached area are respectively arranged with the
Three intercept weld layer and the 4th intercepts weld layer.
Additionally, also provide for the preparation method of a kind of solar module, comprise the steps:
Several cell pieces and several connectors are provided；
Several cell pieces described are coupled with several connectors described, obtains set of cells, described set of cells
In, described cell piece is arranged according to the mode embarked on journey in column；In the row direction, adjacent two described cell pieces
Use the overlapping series connection of connector；In a column direction, adjacent two described cell pieces are in parallel by described connector.
Use in the solar module that the preparation method of above-mentioned solar module obtains, due to battery
Sheet is electric connection with adjacent cell piece, therefore, compared with traditional solar module, this
Each cell piece in bright solar module is separate unit, even if due to physics or elasticity
Change causes the fracture of certain cell piece or adjacent two cell pieces to separate, and electric current can flow to adjacent thereto and also
The cell piece of connection, without having undesirable effect remaining cell piece, advantageously reduces whole solar-electricity
The power loss of pond assembly.
Wherein in an embodiment, the behaviour that several cell pieces described are coupled with several connectors described
As:
By several described cell pieces by row arrangement, obtain battery row, afterwards by described connector and described electricity
Pond row alternately couple.
Accompanying drawing explanation
Fig. 1 is the front schematic view of the solar module of an embodiment；
Fig. 2 is the circuit diagram of the solar module of an embodiment；
Fig. 3 is the schematic diagram of the phototropic face of the cell piece of an embodiment；
Fig. 4 is the schematic diagram of the shady face of the cell piece of an embodiment；
Fig. 5 is the schematic diagram of the connector of an embodiment；
Fig. 6 is the schematic diagram of the connector of another embodiment；
Fig. 7 is the series connection schematic diagram on the line direction of an embodiment between adjacent cell sheet；
Fig. 8 is the schematic diagram in parallel on the column direction of an embodiment between adjacent cell sheet；
Fig. 9 is the schematic diagram of the phototropic face of the cell piece of another embodiment；
Figure 10 is the schematic diagram of the shady face of the cell piece of another embodiment；
Figure 11 is the series connection schematic diagram on the line direction of another embodiment between adjacent cell sheet；
Figure 12 is the side schematic view of the connector of another embodiment；
Figure 13 is the first join domain of an embodiment and the second join domain projects the most on the first surface
Schematic diagram；
Figure 14 is the front electrode of another embodiment, connector and the backplate of adjacent cell cutting sheet
Side schematic view；
Figure 15 is the flow chart of the preparation method of the solar module of an embodiment.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, the most right
The detailed description of the invention of the present invention is described in detail.Elaborate in the following description a lot of detail with
It is easy to fully understand the present invention.But the present invention can come real to be a lot different from alternate manner described here
Executing, those skilled in the art can do similar improvement in the case of intension of the present invention, therefore this
Bright do not limited by following public specific embodiment.
Referring to Fig. 1 and Fig. 2, the solar module 100 of an embodiment includes two batteries connected
Group 110.Each set of cells 110 includes 33*6 the cell piece coupled 112.Cell piece 112 is according to embarking on journey into
The mode of row is arranged.
Concrete, in the row direction, adjacent two cell pieces 112 use the overlapping series connection of connector.In row side
Upwards, adjacent two cell pieces 112 are in parallel by above-mentioned connector.As shown in fig. 1, set of cells 110
In, often row has the overlapping series connection of 33 cell pieces 112, and it is in parallel often to show 6 cell pieces 112.
The cell piece 112 of present embodiment cuts sheet for battery, and concrete, it is entered by solar battery sheet
The cutting of row five decile forms.It should be noted that the invention is not restricted to five above-mentioned decile cuttings, it is also possible to
Solar battery sheet being carried out any decile or not decile cutting, if obtaining aneroid battery cutting sheet, and therefrom choosing
Select suitable battery cutting sheet to carry out typesetting, after carrying out connection in series-parallel, obtain the solar module of the present invention.
From figure 1 it appears that several area phases in the solar module 100 of present embodiment
With cell piece 112 marshalling and closely so that the efficiency concordance of cell piece 112, matching more preferably,
Thus improve the work efficiency of whole solar module.
Refer to Fig. 3 and Fig. 4, the cell piece 112 of present embodiment include the phototropic face for absorbing radiation and
The shady face arranged dorsad relative to phototropic face.
As shown in Figure 3, the phototropic face of cell piece 112 is provided with 7 length sides along cell piece 112
To the front electrode 114 of equidistantly arrangement, and above-mentioned front electrode 114 is positioned at the long side edge of cell piece 112
Position.Therefore, when adjacent two cell pieces 112 on line direction are connected, it is possible to avoid solar irradiation pair
Too much blocking of cell piece 112, thus avoid reducing the solar module utilization rate to solar irradiation.
As shown in Figure 4, the shady face of cell piece 112 is provided with 6 length sides along cell piece 112
Backplate 116 to equidistantly arrangement.Wherein, backplate 116 is on the phototropic face of cell piece 112
Project between the projection on the phototropic face of cell piece 112 of adjacent two front electrodes 114.Additionally,
In order to connector with the use of, make the cushion space of connector bigger, therefore backplate 116 be arranged at
The non-edge position of cell piece 112.But it is not limited, specifically can be configured according to actually used situation.
Referring to Fig. 5, the connector 120 of present embodiment is Flexible Connector, and in the form of sheets and strip,
Its preferably be selected from Copper Foil, aluminium foil, tin plating Copper Foil and albronze paper tinsel any one.Connector 120 interior
Portion is provided with to connect the hollow hole 121 of connector 120 both side surface.The hollow hole 121 of present embodiment
Cross section be parallelogram, and multiple hollow hole 121 is along the regular arrangement of length direction of connector 120,
Stress buffer effect can be played, it is possible to reduce the Stress Release harmful effect to solar module.When
So, the cross section of hollow hole 121 is not limited to the parallelogram of present embodiment, also can be other shapes, its
Position and arrangement mode also can be changed according to real needs, all can play the effect of stress buffer.
It should be noted that the connector of the present invention is not limited to above-mentioned embodiment, preferably should to play
Power cushioning effect, in addition to arranging hollow hole in the inside of connector, it is also possible at the margin location of connector
Install breach.
Refer to Fig. 6, the connector 220 of another embodiment be internally provided with engraving of several regular arrangements
Emptying aperture 221, additionally, also the marginal position on its long limit is provided with several spaced breach 222, and
Breach 222 is not communicated with hollow hole 221.Concrete, breach 222 be positioned at adjacent two hollow holes 221 it
Between.Therefore, when two long limits of connector 220 couple with the cell piece 112 being positioned at its both sides respectively,
More preferable stress buffer effect can be played, reduce the Stress Release harmful effect to solar module.
Referring to Fig. 7, in solar module 100, three adjacent cell pieces 112 on line direction are adopted
Connect with connector 120.The edges at two ends on the long limit of connector 120 is respectively with cell piece 112 just
Face electrode 114 and backplate 116 connect.Owing to front electrode 114 and backplate 116 are cross-over design,
Therefore, connector 120 respectively with cell piece 112 interconnection of both sides.So at adjacent front electrode
Buffering interval it has been respectively formed, it is possible to increase solaode between 114 and between adjacent backplate 116
The elasticity of assembly 100, reduces the hidden risk split of solar module 100, it is not easy to disconnected grid sliver.
Referring to Fig. 8, in solar module 100, the adjacent cell piece 112 on column direction uses even
Fitting 120 carries out parallel connection.In present embodiment, all cell pieces 112 in same string are positioned at connector
The same side of 120.Owing to connector 120 is positioned at the back side of cell piece 112, therefore cell piece 112 will not be entered
Row blocks, it is to avoid cause damage.
Additionally, in present embodiment, all cell pieces 112 in same string share connector 120.Certainly,
Also may select multiple shorter connector 120 and cell piece 112 adjacent on column direction is carried out parallel connection.
It should be noted that the cell piece of the present invention and connector are not limited to above-mentioned embodiment, also can be
Other forms.Such as, front electrode and the backplate of cell piece can be all the length direction along cell piece
Extend, and connector can be the welding of bar shaped, can be not provided with hollow hole or breach inside it.
Referring to Fig. 9 and Figure 10, the cell piece 212 of the solar module of another embodiment includes edge
The front electrode 214 of the length direction extension of cell piece 212 and backplate 216.Front electrode 214 and the back of the body
Face electrode 216 lays respectively at the marginal position of cell piece 212 opposite end.
Referring to Figure 11, on line direction, adjacent two cell pieces 212 are by the overlapping series connection of connector 300.This
In embodiment, the width of the backplate 216 of left side electricity sheet 212 is slightly larger than the front of right side cell piece 212
The width of electrode 214, and the width of connector 300 is less than the front electrode 214 of right side cell piece 212
Width, it is possible to avoid place time adjacent two cell pieces 212 position skew and expose front electrode 214 or
Connector 300, thus reduce illuminating area.
Referring to Figure 12, the connector 300 of present embodiment includes the first table being connected with front electrode 214
Face 310 and the second surface 320 being connected with backplate 216.It is provided with on first surface 310 and alternately arranges
First join domain 311 and the first non-attached area 312 of row.Front electrode 214 and the first join domain
311 connect.
The second alternately arranged join domain 321 and the second non-attached area it is provided with on second surface 320
322.Backplate 216 is connected with the second join domain 321.
Referring to Figure 13, the first join domain 311 of present embodiment is projected as at first surface 310
One projection 3112, the second join domain 321 in second projection 3212 that is projected as of first surface 310, first
Projection 3112 projects any number being spaced apart between 1mm～20mm of 3212 with adjacent second.At this
In interval, between the join domain of front electrode 214 and backplate 216, it is respectively formed buffering interval,
Improve the elasticity of solar module, reduce the hidden risk split of solar module, it is not easy to disconnected grid
Sliver.But it is not limited, also can be the interval of other numerical value.
As shown in Figure 13, first non-attached area 312 projected area on first surface 310 is more than the
Two join domains 321 projected area on first surface 310.
Additionally, be respectively arranged with the first obstruct on the first non-attached area 312 and the second non-attached area 322
Weld layer 313 and second intercepts weld layer 323.The first obstruct weld layer 313 and second of the present embodiment intercepts
Weld layer 323 is ink coating.Certainly, the first obstruct weld layer 313 and the second obstruct weld layer 323 are equal
Also can be that other play the coating intercepting welding effect.When adjacent two cell pieces 212 are by connector 300
When carrying out overlapping series connection, the first obstruct weld layer 313 and the second obstruct weld layer 323 are used for intercepting welding,
The most also there is certain elasticity, it is possible to play the effect of buffering, thus improve the solar energy of the present embodiment
The elasticity of battery component, it is possible to realize the shape that necessary elastic deformation resists the internal stress of outside or inside
Change demand, reduces the hidden risk split of solar module, it is not easy to disconnected grid sliver, is conducive to application.
In above-described embodiment, connector 300 is provided with the first obstruct weld layer 313 and second and intercepts weldering
Connect layer 323, be used for intercepting welding, and certain elasticity is provided.It should be noted that also connection can be positioned at
Obstruct weld layer is set on the front electrode of the cell piece of part both sides and backplate.
Refer to Figure 14, the front electrode 410 of the cell piece of another embodiment is provided with alternately arranged
3rd join domain 411 and the 3rd non-attached area 412.Alternately arranged it is provided with in backplate 420
Four join domain 421 and the 4th non-attached area 422.3rd join domain 411 and the 4th join domain 421
All it is connected with connector 430.
The 3rd obstruct weld layer it is respectively arranged with on 3rd non-attached area 412 and the 4th non-attached area 422
413 and the 4th intercept weld layer 423.The 3rd obstruct weld layer 413 and the 4th of the present embodiment intercepts weld layer
423 is non-drying glue layer.
In sum, in above-mentioned solar module, owing to cell piece is electrically with adjacent cell piece
Connect, therefore, compared with traditional solar module, every in the solar module of the present invention
Individual cell piece is separate unit, though due to the change of physics or elasticity cause certain cell piece fracture or
Person is adjacent, and two cell pieces separate, and electric current can flow to cell piece adjacent thereto and in parallel, without to remaining
Cell piece have undesirable effect, advantageously reduce the power loss of whole solar module.
Additionally, the present invention also provides for the preparation method of a kind of solar module, as shown in figure 15, including
Following steps:
S10, provide several cell pieces and several connectors.
S20, several cell pieces of step S10 are coupled with several connectors, obtain set of cells, battery
In group, cell piece is arranged according to the mode embarked on journey in column；In the row direction, adjacent two cell pieces use even
The overlapping series connection of fitting；In a column direction, adjacent two cell pieces are in parallel by connector.
In one preferably embodiment, by the operation that several cell pieces couple with several connectors it is:
By several cell pieces by row arrangement, obtain battery row, connector and battery are arranged alternately couple afterwards.
In one preferably embodiment, connector and battery are arranged in the operation alternately coupled, cell piece
Shady face is upward.
Use in the solar module that the preparation method of above-mentioned solar module obtains, due to battery
Sheet is electric connection with adjacent cell piece, therefore, compared with traditional solar module, this
Each cell piece in bright solar module is separate unit, even if due to physics or elasticity
Change causes the fracture of certain cell piece or adjacent two cell pieces to separate, and electric current can flow to adjacent thereto and also
The cell piece of connection, without having undesirable effect remaining cell piece, advantageously reduces whole solar-electricity
The power loss of pond assembly.
Additionally, the design of the present invention eliminates the basic concept of traditional string location too, have employed plate mutual
The most full-automatic concept, overall plate only has positive pole and negative pole, does not has other technique and operational motion to need
Asking, improve automation process and the operation of assembly, also essence improves the production production capacity of product.Will be real
The increasingly automated development of existing solar module, reduces what manual intervention brought performance and quality risk.
Promoting component power 10%, also raise speed production capacity simultaneously, and for fall further, originally and large-scale development spreads out basis.
Each technical characteristic of above-described embodiment can combine arbitrarily, for making description succinct, not to above-mentioned
The all possible combination of each technical characteristic in embodiment is all described, but, as long as these technology are special
There is not contradiction in the combination levied, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for this area
For those of ordinary skill, without departing from the inventive concept of the premise, it is also possible to make some deformation and change
Entering, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended power
Profit requires to be as the criterion.
Claims (12)
1. a solar module, including set of cells, it is characterised in that described set of cells includes some
The cell piece of individual connection, described cell piece is arranged according to the mode embarked on journey in column；
In the row direction, adjacent two described cell pieces use the overlapping series connection of connector；
In a column direction, adjacent two described cell pieces are in parallel by described connector.
Solar module the most according to claim 1, it is characterised in that described cell piece is electricity
Pond cutting sheet, described battery cutting sheet is formed by solar battery sheet cutting.
Solar module the most according to claim 1, it is characterised in that the institute in same string
Described cell piece is had to share described connector.
Solar module the most according to claim 1, it is characterised in that the institute in same string
Described cell piece is had to be positioned at the same side of described connector.
Solar module the most according to claim 1, it is characterised in that described connector is sheet
Shape, described connector be internally provided with to connect the hollow hole of described connector both side surface.
Solar module the most according to claim 5, it is characterised in that described connector is length
Strip, the marginal position on the long limit of described connector is provided with several spaced breach, and described scarce
Mouth is not communicated with described hollow hole.
Solar module the most according to claim 1, it is characterised in that described cell piece includes
Front electrode and backplate；
Described connector includes the first surface being connected with described front electrode and is connected with described backplate
Second surface, described first surface is provided with the first alternately arranged join domain and the first disconnected district
Territory, described second surface is provided with the second join domain and the second non-attached area, institute being alternately to connect
State the first non-attached area projected area on the first surface more than or equal to described second bonding pad
Territory projected area on the first surface；
Described front electrode is connected with described first join domain, described backplate and described second bonding pad
Territory connects.
Solar module the most according to claim 7, it is characterised in that described first bonding pad
Territory is in first projection that is projected as of described first surface, and described second join domain is in the throwing of described first surface
Shadow is the second projection, and described first projection is spaced apart 1mm～20mm with adjacent described second projection.
Solar module the most according to claim 7, it is characterised in that described front electrode and
Described backplate all extends along the length direction of described cell piece, and described first non-attached area and described
It is respectively arranged with the first obstruct weld layer and second on second non-attached area and intercepts weld layer.
Solar module the most according to claim 7, it is characterised in that described front electrode
All extend along the length direction of described cell piece with described backplate, described front electrode is provided with alternately
3rd join domain of arrangement and the 3rd non-attached area, described backplate is provided with alternately arranged the
Four join domains and the 4th non-attached area；
Described 3rd join domain is connected with described first join domain, described 4th join domain and described the
Two join domains connect, and described 3rd non-attached area and described 4th non-attached area are respectively arranged with the
Three intercept weld layer and the 4th intercepts weld layer.
The preparation method of 11. 1 kinds of solar modules, it is characterised in that comprise the steps:
Several cell pieces and several connectors are provided；
Several cell pieces described are coupled with several connectors described, obtains set of cells, described set of cells
In, described cell piece is arranged according to the mode embarked on journey in column；In the row direction, adjacent two described cell pieces
Use the overlapping series connection of connector；In a column direction, adjacent two described cell pieces are in parallel by described connector.
The preparation method of 12. solar modules according to claim 11, it is characterised in that will
The operation that several cell pieces described couple with several connectors described is:
By several described cell pieces by row arrangement, obtain battery row, afterwards by described connector and described electricity
Pond row alternately couple.
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| CN201610297962.7A CN105932084B (en) | 2016-05-06 | 2016-05-06 | Solar cell module and preparation method thereof |
| PCT/CN2016/084943 WO2017190398A1 (en) | 2016-05-06 | 2016-06-06 | Solar cell module and manufacturing method therefor |
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| CN201610297962.7A CN105932084B (en) | 2016-05-06 | 2016-05-06 | Solar cell module and preparation method thereof |
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| CN107068776A (en) * | 2017-01-19 | 2017-08-18 | 合肥海润光伏科技有限公司 | A kind of nested type lamination solar cell and preparation method thereof |
| WO2018113076A1 (en) * | 2016-12-23 | 2018-06-28 | 泰州乐叶光伏科技有限公司 | Solar laminated cell inter-slice connection structure and solar laminated cell |
| CN109004050A (en) * | 2017-06-07 | 2018-12-14 | 江苏赛拉弗光伏系统有限公司 | A kind of no hot spot imbrication photovoltaic module |
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| CN109411559A (en) * | 2018-12-10 | 2019-03-01 | 上海晶澳太阳能科技有限公司 | Solar battery string and solar cell module |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105932084B (en) | 2018-04-03 |
| WO2017190398A1 (en) | 2017-11-09 |
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