CN207489886U - A kind of solar energy imbrication component - Google Patents
A kind of solar energy imbrication component Download PDFInfo
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- CN207489886U CN207489886U CN201721535528.4U CN201721535528U CN207489886U CN 207489886 U CN207489886 U CN 207489886U CN 201721535528 U CN201721535528 U CN 201721535528U CN 207489886 U CN207489886 U CN 207489886U
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- electrode
- cell piece
- solar energy
- imbrication component
- battery strings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a kind of solar energy imbrication components, and including at least one battery strings, the battery strings include multiple cell pieces；The sensitive side of the cell piece is provided with first electrode, and the backlight side of the cell piece is provided with second electrode, wherein, multiple hollow out points are distributed in the first electrode and the second electrode surface respectively；It is connected with each other between the second electrode in the first electrode and adjacent cell piece in the cell piece by conducting resinl, to form the battery strings；The solar energy imbrication component greatly reduces Material Cost by the structure by electrode fabrication into hollow out；Simultaneously when connecting multiple conductive sheets, conducting resinl can be directly connected to the substrate of two cell pieces, so as to increase the reliability of the bonding between cell piece；And the substrate of two cell pieces is directly connected at hollow out position can effectively reduce contact resistance between each cell piece.
Description
Technical field
The utility model is related to area of solar cell, more particularly to a kind of solar energy imbrication component.
Background technology
With the continuous innovation of crystal silicon solar batteries technology, significant development has also been obtained in relation to battery technology at present,
Wherein imbrication technology is that a kind of current more popular raising too can component luminous efficiency technology.
Between traditional solar battery sheet it is attached by busbar, the use of a large amount of busbars can increase the sun
The consumption of the inside of energy component reduces the transfer efficiency of solar components.Popular the saying of imbrication technology is exactly that cell piece is reasonable
Cut into small pieces, by the small pieces after cutting according to the imbrication technique welding production being pre-designed into battery strings, then by battery
String is pressed into component after connection in series-parallel typesetting.More electricity reasonably can be placed in wired range using imbrication technology
Pond piece, while the line loss of solar components is reduced, greatly improve the output power of component.
In the prior art, it is by each cell piece of conductive glue connection between each cell piece in solar energy imbrication component
In electrode.And the electrode of each cell piece be typically be sintered by silver paste, cost is very high, and cell piece it
Between the reliability that bonds it is not high, while there are larger contact resistances between each cell piece.
Utility model content
The purpose of this utility model is to provide a kind of solar energy imbrication component, can effectively reduce between each cell piece
Contact resistance increases the reliability bonded between cell piece, while reduces the cost of manufacture of cell piece.
In order to solve the above technical problems, the utility model provides a kind of solar energy imbrication component, the imbrication component includes
At least one battery strings, the battery strings include multiple cell pieces；
The sensitive side of the cell piece is provided with first electrode, and the backlight side of the cell piece is provided with second electrode,
In, multiple hollow out points are distributed in the first electrode and the second electrode surface respectively；
Pass through conducting resinl between the second electrode in the first electrode and adjacent cell piece in the cell piece
It is connected with each other, to form the battery strings.
Optionally, the cell piece is rectangular cell piece, and the first electrode is with the second electrode each parallel to institute
State the long side of cell piece；
The distance between the first electrode and the first long side of the cell piece are less than pre-set first threshold；Institute
It states the distance between second electrode and the second long side of the cell piece and is less than pre-set second threshold.
Optionally, the first electrode is overlapped with first long side；The second electrode is overlapped with second long side.
Optionally, the hollow out point in the first electrode surface is uniformly distributed, the hollow out point in the second electrode surface
It is uniformly distributed.
Optionally, the shape of the hollow out point includes：
Polygon, circle or irregular figure.
Optionally, the first electrode is the primary gate electrode of the cell piece sensitive side；The second electrode is the electricity
The primary gate electrode of pond piece backlight side.
Optionally, the first electrode and the second electrode include multistage sub-electrode, and sub-electrode described in multistage is along directly
Line is distributed, and is electrically connected between the adjacent sub-electrode by electric connection line.
Optionally, the cell piece is the length of rectangular cell piece, the length of the first electrode and the second electrode
Spend the equal length with the long side of the cell piece.
Optionally, the solar energy imbrication component includes multiple battery strings, between multiple battery strings it is in parallel even
It connects or is connected in series with.
A kind of solar energy imbrication component provided by the utility model, by being set on the surface of first electrode and second electrode
Multiple hollow out points are put, the structure of hollow out can be fabricated to first electrode and second electrode, so as to greatly reduce entire solar energy
The Material Cost of imbrication component；Simultaneously because first electrode and second electrode are engraved structure, when connecting multiple cell pieces, if
The substrate of two cell pieces can be directly connected to by putting the conducting resinl between multiple electrodes, so as to increase the bonding between cell piece
Reliability；And the substrate of two cell pieces is directly connected at hollow out position can effectively reduce connecing between each cell piece
It gets an electric shock and hinders.
Description of the drawings
For the clearer technical solution for illustrating the utility model embodiment or the prior art, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
The structure diagram of a kind of solar energy imbrication component that Fig. 1 is provided by the utility model embodiment；
The structure diagram of a kind of battery strings that Fig. 2 is provided by the utility model embodiment；
The structure diagram of a kind of cell piece that Fig. 3 is provided by the utility model embodiment；
Fig. 4 is the first of first electrode and second electrode structure diagram in the utility model embodiment；
Fig. 5 is second of structure diagram of first electrode and second electrode in the utility model embodiment；
Fig. 6 is the third of first electrode and second electrode structure diagram in the utility model embodiment；
Fig. 7 is the 4th kind of structure diagram of first electrode and second electrode in the utility model embodiment；
Fig. 8 is the 5th kind of structure diagram of first electrode and second electrode in the utility model embodiment；
Fig. 9 is the 6th kind of structure diagram of first electrode and second electrode in the utility model embodiment；
Figure 10 is the 7th kind of structure diagram of first electrode and second electrode in the utility model embodiment；
Figure 11 is the 8th kind of structure diagram of first electrode and second electrode in the utility model embodiment；
Figure 12 is the 9th kind of structure diagram of first electrode and second electrode in the utility model embodiment；
Figure 13 is the tenth kind of structure diagram of first electrode and second electrode in the utility model embodiment；
Figure 14 is the tenth a kind of structure diagram of first electrode and second electrode in the utility model embodiment；
Figure 15 is the 12nd kind of structure diagram of first electrode and second electrode in the utility model embodiment；
Figure 16 is the 13rd kind of structure diagram of first electrode and second electrode in the utility model embodiment；
Figure 17 is the 14th kind of structure diagram of first electrode and second electrode in the utility model embodiment.
Specific embodiment
The core of the utility model is to provide a kind of solar energy imbrication component.In the prior art, it forms in imbrication component
Between multiple cell pieces of battery strings, it is by the electrode of conductive glue connection adjacent cell piece, the battery is connected into this
String.But the electrode due to being arranged at this stage on cell piece is typically to be sintered by silver paste, cost is very high.Together
When due to being the electrode being arranged on by conductive glue connection on different cell pieces between two neighboring cell piece, glued between cell piece
The reliability of knot is not high.And between two neighboring cell piece when electric current is transmitted, substantially electric current is needed from an electricity
The substrate transfer of pond piece to another cell piece substrate, but this intermediate current need from substrate by two layers of electrode with
One layer of conducting resinl can just be transmitted to another substrate, so the contact resistance between cell piece is very big, this can cause very one big
Divide the loss of electric current.Wherein, substrate refers to the part other than main gate line on cell piece.
And a kind of solar energy imbrication component provided by the utility model, by setting multiple hollow outs on the surface of electrode
Point, can be by electrode fabrication into the structure of hollow out, so as to greatly reduce the Material Cost of entire solar energy imbrication component；Simultaneously
Since electrode is engraved structure, when connecting multiple conductive sheets, being arranged on the conducting resinl between multiple electrodes can be directly connected to
The substrate of two cell pieces, so as to increase the reliability of the bonding between cell piece；And it is directly connected to two at hollow out position
The substrate of cell piece can effectively reduce the contact resistance between each cell piece.
In order to which those skilled in the art is made to more fully understand the utility model, below in conjunction with the accompanying drawings and it is embodied
The utility model is described in further detail for mode.Obviously, described embodiment is only the utility model part
Embodiment, instead of all the embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not doing
Go out all other embodiments obtained under the premise of creative work, shall fall within the protection scope of the present invention.
The structure of a kind of solar energy imbrication component provided to Figure 17, Fig. 1 by the utility model embodiment is be provided
Schematic diagram；The structure diagram of a kind of battery strings that Fig. 2 is provided by the utility model embodiment；Fig. 3 is real for the utility model
Apply the structure diagram of a kind of cell piece that example is provided；Fig. 4 to Figure 17 is respectively for the first electricity in the utility model embodiment
Pole and the structure diagram of second electrode.
In the utility model embodiment, the imbrication component includes at least one battery strings, and the battery strings include more
A cell piece 100.
Referring to Fig. 1, the imbrication component has generally included multiple battery strings, and each battery strings are generally rectangular, Duo Ge electricity
The long side of pond string is arranged parallel to each other.Under normal conditions, two short legs of each battery strings are respectively the positive electrode of battery strings
And negative electrode, i.e. the two of battery strings group end is respectively the positive electrode and negative electrode of battery strings.As shown in Figure 1, the entire sun
Energy imbrication component can include 10 battery strings, and the long side of multiple battery strings is arranged parallel to each other.Under normal conditions, above-mentioned electricity
Pond string can be divided into multiple battery strings groups, such as：5 battery strings positioned at top half are the first battery strings group；Positioned at lower half
5 partial battery strings are the second battery strings group.To be connected in parallel between the battery strings being normally in same battery strings group.I.e.
In same battery strings group, the adjacent end portion of adjacent cell string is same sex electrode.And it is usually to connect between different battery strings groups
Connection, the i.e. adjacent end portion of adjacent cell string group are opposite electrode.
Certainly, the above is illustrative only, in the utility model embodiment, for the solar energy imbrication group
The quantity for the battery strings that part includes simultaneously is not specifically limited, and specific limit is not also done simultaneously for the connection relation between battery strings
It is fixed.
Referring to Fig. 3, in the utility model embodiment, the sensitive side of the cell piece 100 and the back of the body of the cell piece 100
Light side is respectively arranged with electrode, wherein, the electrode for being arranged on 100 sensitive side of cell piece is first electrode 101, is arranged on institute
The electrode for stating 100 backlight side of cell piece is second electrode 102, the first electrode 101 and 102 surface of second electrode difference
Multiple hollow out points 103 are distributed with.
Due under normal conditions, solar energy imbrication component have towards the sun and away from the sun while, wherein face
It is commonly referred to as sensitive side to the one side of the sun, the one side away from the sun is commonly referred to as backlight side.In the utility model embodiment,
The sensitive side of cell piece 100 is provided with first electrode 101, the backlight side of cell piece 100 is provided with second electrode 102.Institute
Stating the effect of first electrode 101 and second electrode 102 is guiding and collects electric current caused by cell piece 100.Due to main gate line
It plays a major role for the transmission of electric current that cell piece 100 generates, width is wider, it can be provided the structure of hollow out；And
Secondary grid line is very thin, lacks the necessity for being arranged to engraved structure.So in the utility model embodiment, the first electrode
101 be the primary gate electrode for being arranged on 100 sensitive side of cell piece, and the second electrode 102 is to be arranged on 100 backlight side of cell piece
Primary gate electrode.
Under normal conditions, the cell piece 100 is rectangular cell piece, the first electrode 101 and the second electrode
102 each parallel to the cell piece 100 long side.And it is serially connected between multiple cell pieces 100 with conducting resinl for convenience,
The distance between the first electrode 101 and the first long side of the cell piece 100 are less than pre-set first threshold；It is described
The distance between second electrode 102 and the second long side of the cell piece 100 are less than pre-set second threshold.I.e. first electricity
Pole 101 is located near two long sides of cell piece 100 respectively with second electrode 102.The value range of the first threshold is usual
For：1.0mm to 2.0mm；The value range of the second threshold is usually：1.0mm to 2.0mm, certainly, the first threshold with
Second threshold can also take other numerical value, be not specifically limited in the utility model embodiment.Because the battery is ganged up
It is often to be overlapped by multiple cell pieces 100 successively long side, with the battery strings being connected into.Again because being sintered what is formed by silver paste
The resistance of first electrode 101 and second electrode 102 is smaller, so the part being overlapped between cell piece 100 adjacent in battery strings
The usually first electrode 101 of different cell pieces and second electrode 102, and then first electrode 101 is needed to divide with second electrode 102
It Wei Yu not be near two long sides of cell piece 100.
Preferably, the first electrode 101 is overlapped with first long side；The second electrode 102 and the described second length
Side overlaps.The area of overlapping region between adjacent cell piece in battery strings can be greatly reduced at this time, so as to improve cell piece 100
Light-receiving area, to improve the transfer efficiency of entire solar energy imbrication component.
In relation to the first electrode 101 and 102 surface of second electrode distribution multiple hollow out points 103 it is detailed in
Hold, will elaborate in subsequent paragraph.
Referring to Fig. 2, in the utility model embodiment, the first electrode 101 and adjacent electricity in the cell piece 100
It is connected with each other between the second electrode 102 in the piece of pond by conducting resinl, to form the battery strings.
Concrete structure in relation to cell piece 100 is made that detailed description in the above content.The battery strings are typically
It is overlapped by multiple cell pieces 100 successively long side, with the battery strings being connected into.Wherein, it is overlapped between adjacent cell piece
Part is usually first electrode 101 and second electrode 102 on different cell pieces, and the cell piece is connected with each other by conducting resinl
In the first electrode 101 and adjacent cell piece in the second electrode 102, can be mutual by two adjacent cell pieces
Series connection, to form the battery strings.In the utility model embodiment, concrete model for the conducting resinl and specifically into
Divide and be not specifically limited, as long as adjacent cell piece can be connected with each other, and conductive, can realize the mesh of the utility model
's.
Since multiple hollow out points 103 are distributed in 101 surface of first electrode for being arranged on 100 sensitive side of cell piece, it is arranged on
Multiple hollow out points 103 are equally distributed in 102 surface of second electrode of 100 backlight side of cell piece.When being attached with conducting resinl,
Conducting resinl can be directly connected to the substrate of adjacent cell piece, so as to increase the reliability of the bonding between cell piece.And directly
The substrate of two cell pieces is connected compared to the base for connecting two cell pieces with second electrode 102 by the first electrode 101
Bottom can effectively reduce the contact resistance between cell piece, so as to improve the transfer efficiency of entire solar energy imbrication component.
Referring to Fig. 3, in the utility model embodiment, multiple hollow out points are distributed on 101 surface of first electrode
103, multiple hollow out points 103 are distributed on 102 surface of second electrode.
For the concrete shape of the hollow out point 103, in the utility model embodiment and it is not specifically limited.Hollow out point
103 shape can be polygon, circle, ellipse, avette etc., it might even be possible to be irregular figure.Different are engraved
Null point 103, shape can not also be identical.Under normal conditions, due to the design of hollow out, it can cause first electrode 101 and second
Some regions in electrode 102 become very thin, the resistance in the region will be caused to become larger accordingly, at work the electricity in the region
Pole is easy for generating amount of heat so as to burn, it is usually the case that the hollow out point on 101 surface of the first electrode is uniform
It is distributed, the hollow out point on 102 surface of second electrode is uniformly distributed.
Referring to Fig. 4 to Figure 17, the structure in relation to the first electrode 101 and second electrode 102 is as shown in figure 4, described engrave
The shape of null point 103 can be round, polygon, irregular figure or oblique line etc., the related hollow out point 103
Shape and being distributed in the utility model embodiment is not specifically limited.Certainly, in addition to structure shown in Fig. 4 to Figure 17,
One electrode 101 and the structure of second electrode 102 can also be other structures, not do specific limit in the utility model embodiment
It is fixed.As long as hollow out point 103 is distributed in the surface of the first electrode 101 and the second electrode 102, in the utility model
Within protection domain.
In the utility model embodiment, the first electrode 101 and the second electrode 102 can be through type electricity
Pole, i.e. first electrode 101 and second electrode 102 are an integral structure, the length and the second electrode of the first electrode 101
Equal length of 102 length with the long side of the cell piece 100.
Further, the first electrode 101 and the second electrode 102 can also be segmented electrodes, i.e., described
One electrode 101 and the second electrode 102 include multistage sub-electrode, and sub-electrode described in multistage is adjacent described along lineal layout
It is electrically connected between sub-electrode by electric connection line.The electric connection line for connecting adjacent sub-electrode is generally also by silver paste in cell piece
100 surfaces are sintered, and the width of the electric connection line will usually be much smaller than the width of the sub-electrode.By the first electrode
101 are arranged to the structure of segmented with second electrode 102, can be further reduced the dosage of silver paste, be folded so as to reduce solar energy
The cost of watt component.Correspondingly, above-mentioned hollow out point 103 is usually distributed only over the sub-electrode surface.
A kind of solar energy imbrication component provided by the utility model, by setting multiple hollow out points on the surface of electrode
103, it can be by electrode fabrication into the structure of hollow out, so as to greatly reduce the Material Cost of entire solar energy imbrication component；Together
When due to electrode be engraved structure, when connecting multiple conductive sheets, being arranged on the conducting resinl between multiple electrodes can directly connect
The substrate of two cell pieces is connect, so as to increase the reliability of the bonding between cell piece；And it is directly connected to two at hollow out position
The substrate of a cell piece can effectively reduce the contact resistance between each cell piece.
A kind of solar energy imbrication component provided by the utility model is described in detail above.It is used herein
Specific case is expounded the principle and embodiment of the utility model, and the explanation of above example is only intended to help to manage
Solve the method and its core concept of the utility model.It should be pointed out that for those skilled in the art, not
Be detached from the utility model principle under the premise of, can also to the utility model, some improvement and modification can also be carried out, these improve and repair
Decorations are also fallen into the protection domain of the utility model claims.
Claims (9)
1. a kind of solar energy imbrication component, which is characterized in that the imbrication component includes at least one battery strings, the battery strings
Including multiple cell pieces；
The sensitive side of the cell piece is provided with first electrode, and the backlight side of the cell piece is provided with second electrode, wherein, institute
It states first electrode and multiple hollow out points is distributed in the second electrode surface respectively；
It is mutual by conducting resinl between the second electrode in the first electrode and adjacent cell piece in the cell piece
Connection, to form the battery strings.
2. solar energy imbrication component according to claim 1, which is characterized in that the cell piece is rectangular cell piece,
The first electrode is with the second electrode each parallel to the long side of the cell piece；
The distance between the first electrode and the first long side of the cell piece are less than pre-set first threshold；Described
The distance between two electrodes and the second long side of the cell piece are less than pre-set second threshold.
3. solar energy imbrication component according to claim 2, which is characterized in that the first electrode and first long side
It overlaps；The second electrode is overlapped with second long side.
4. the solar energy imbrication component according to any one of claims 1 to 3 claim, which is characterized in that described first
Hollow out point on electrode surface is uniformly distributed, and the hollow out point in the second electrode surface is uniformly distributed.
5. solar energy imbrication component according to claim 4, which is characterized in that the shape of the hollow out point includes：
Polygon, circle or irregular figure.
6. solar energy imbrication component according to claim 1, which is characterized in that the first electrode for the cell piece by
The primary gate electrode of light side；The second electrode is the primary gate electrode of the cell piece backlight side.
7. solar energy imbrication component according to claim 6, which is characterized in that the first electrode and the second electrode
Include multistage sub-electrode, sub-electrode described in multistage is electrically connected between the adjacent sub-electrode by electric connection line along lineal layout
It connects.
8. solar energy imbrication component according to claim 6, which is characterized in that the cell piece is rectangular cell piece,
Equal length of the length of the length of the first electrode and the second electrode with the long side of the cell piece.
9. solar energy imbrication component according to claim 1, which is characterized in that the solar energy imbrication component includes multiple
The battery strings are connected in parallel or are connected in series between multiple battery strings.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721535528.4U CN207489886U (en) | 2017-11-16 | 2017-11-16 | A kind of solar energy imbrication component |
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| CN201721535528.4U CN207489886U (en) | 2017-11-16 | 2017-11-16 | A kind of solar energy imbrication component |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899397A (en) * | 2018-08-22 | 2018-11-27 | 通威太阳能（合肥）有限公司 | A kind of imbrication component device and its application method of doing over again |
| CN109888045A (en) * | 2019-03-29 | 2019-06-14 | 通威太阳能（成都）有限公司 | A kind of novel two-sided PERC imbrication cell piece and preparation method thereof |
| WO2020052694A3 (en) * | 2019-09-05 | 2020-07-23 | 成都晔凡科技有限公司 | Laminated tile assembly, and manufacturing method for laminated tile assembly |
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2017
- 2017-11-16 CN CN201721535528.4U patent/CN207489886U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899397A (en) * | 2018-08-22 | 2018-11-27 | 通威太阳能（合肥）有限公司 | A kind of imbrication component device and its application method of doing over again |
| CN108899397B (en) * | 2018-08-22 | 2024-02-06 | 通威太阳能（合肥）有限公司 | Tooling-returning device for laminated tile assembly and use method thereof |
| CN109888045A (en) * | 2019-03-29 | 2019-06-14 | 通威太阳能（成都）有限公司 | A kind of novel two-sided PERC imbrication cell piece and preparation method thereof |
| CN109888045B (en) * | 2019-03-29 | 2023-07-25 | 通威太阳能（成都）有限公司 | Novel double-sided PERC (PERC) laminated tile battery piece and preparation method thereof |
| WO2020052694A3 (en) * | 2019-09-05 | 2020-07-23 | 成都晔凡科技有限公司 | Laminated tile assembly, and manufacturing method for laminated tile assembly |
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