CN207097838U - Small dimension solar cell and solar cell - Google Patents
Small dimension solar cell and solar cell Download PDFInfo
- Publication number
- CN207097838U CN207097838U CN201720498985.4U CN201720498985U CN207097838U CN 207097838 U CN207097838 U CN 207097838U CN 201720498985 U CN201720498985 U CN 201720498985U CN 207097838 U CN207097838 U CN 207097838U
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- solar cell
- small pieces
- electrode
- positive electrode
- battery
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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
Abstract
The utility model discloses a kind of small dimension solar cell, it is characterised in that：Formed by normal specifications solar battery sheet along electrode direction cutting, its front is provided with positive electrode, back electrode is provided with its back side, and positive electrode and back electrode are located at the both ends of small dimension solar cell respectively, positive electrode width is 0.8 ~ 1.2mm, and back side back electrode width is 1 ~ 1.7mm.The invention also discloses the solar cell being connected into by small-size solar cell.The utility model can reduce the resistivity of solar cell interconnection connection, improve heat dispersion；Prevent cell piece is hidden from splitting or fragment.
Description
Technical field
A kind of solar battery sheet, more particularly to a kind of small dimension solar cell are the utility model is related to, and, by small
The solar cell that specification solar cell is connected into, belongs to technical field of solar batteries.
Background technology
The sun component of photovoltaic industry is that cell piece is multiple electrodes grid using conventional solar battery sheet mostly at present
Line, multiple electrodes grid line forms a complete battery together, and distance is equal between adjacent electrode grid line, then by applying tin
Conducting copper belt welding interconnection composition component.
Fig. 1, Fig. 2 show the front and back of existing solar cell, as illustrated, each solar cell has 3-5
Individual positive electrode (1) and back electrode (2), and distance is equal between each electrode, meanwhile, 3-5 electrode is that an entirety uses.Such as
Shown in Fig. 9, using painting tin conductive copper wire (8) series connection between multiple solar cells.
The solar cell of this structure is due to applying that tin conducting copper belt resistivity is bigger than normal and the coefficient of expansion and cell piece
Electrode ag material is different, and stress is easily produced when expanding with heat and contract with cold causes cell piece is hidden to split or fragment.
The content of the invention
The utility model in the prior art, solar battery sheet due to welding material and cell piece electrode material not
Together, easily cause cell piece is hidden to split or the technical problem of fragment, there is provided it is a kind of can be along the solar energy cut parallel to electrode direction
Battery, prevent cell piece is hidden from splitting or fragment.
Therefore, the utility model adopts the following technical scheme that：
A kind of small dimension solar cell, it is characterised in that：Cut by normal specifications solar battery sheet along electrode direction
Form, its front is provided with positive electrode, back electrode is provided with its back side, and positive electrode and back electrode are located at small dimension respectively
The both ends of solar cell, positive electrode width are 0.8~1.2mm, and back side back electrode width is 1~1.7mm.
A kind of solar cell, it is characterised in that：Including some size identical battery small pieces, in each battery small pieces
Front is provided with positive electrode, and back electrode is provided with its back side, and positive electrode and back electrode are located at the both ends of battery small pieces respectively,
The both ends stacking of adjacent battery small pieces makes the back electrode of a battery small pieces be connected with the positive electrode of next battery small pieces, is laminated
The width in region is 0.8~2mm.
Further, the both ends of adjacent solar cell small pieces are formed by conductive silver glue and electrically connected, lamination area
Thickness is 15~60 μm.
Further, each solar cell small pieces positive electrode width is 0.8~1.2mm, back side back electrode width is 1~
1.7mm。
Further, the quantity of solar cell small pieces is 3-5 pieces.
The utility model compared with prior art, has the advantages that：
1st, small dimension solar cell of the present utility model can be used alone, can also be with other small dimension solar-electricities
Pond is together in series use.The positive electrode of each small dimension solar battery front side and the back electrode at the back side are respectively the two of cell piece
End, in diagonal state；It is easy to weld to use.
2nd, some small dimension solar cells (battery small pieces) by conductive silver glue material by the back electrode of upper a piece of battery
The positive electrode of a piece of battery is connected with, forms the solar cell of a normal specifications.On the one hand it is leading in conductive silver glue
The positive electrode of electric Argent grain and cell piece, the silver paste of back electrode combine it is even closer, reduce resistivity while also improve scattered
Hot property；On the other hand conventional painting tin conducting copper belt is substituted with conductive silver glue to avoid because of conducting copper belt and electrode expansion coefficient
Difference is more prone to stress and causes cell piece is hidden to split or fragment.
Brief description of the drawings
Fig. 1 is existing solar battery front side figure；
Fig. 2 is existing rear surface of solar cell figure；
Fig. 3 is the utility model solar battery front side figure (one)；
Fig. 4 is the utility model rear surface of solar cell figure (one)；
Fig. 5 is the utility model solar battery front side figure (two)；
Fig. 6 is the utility model rear surface of solar cell figure (two)；
Fig. 7 is front elevation after the section of the utility model solar cell；
Fig. 8 is back view after the section of the utility model solar cell；
Fig. 9 is that existing solar cell is connected with each other figure；
Figure 10 is that solar cell is connected with each other figure in the utility model；
Wherein：1 is the positive electrode of existing solar cell；2 be the back electrode of existing solar cell；3 be that this practicality is new
The positive electrode of type battery small pieces；4 be cutting section；5 be battery small pieces of the present utility model；6 be the utility model battery small pieces
Back electrode；7 be existing solar cell；8 be painting tin conductive copper wire；9 be conductive silver glue.
Embodiment
The utility model is made with specific embodiment below in conjunction with the accompanying drawings further to be described in detail.
Embodiment 1
As shown in Figure 7, Figure 8, a kind of small dimension solar cell of the present utility model, by normal specifications solar battery sheet
Formed along electrode direction cutting, its front is provided with positive electrode 3, back electrode 6, and positive electrode and back of the body electricity are provided with its back side
Pole is located at the both ends of small dimension solar cell respectively, and positive electrode width be 0.8~1.2mm, back side back electrode width for 1~
1.7mm。
In the utility model, it is two to define two edges parallel with the electrode length direction of small dimension solar cell
End；Normal specifications solar cell refers to including 3-5 size identical battery small pieces, such as Fig. 3-6；Small dimension solar cell refers to
Individual pieces after cutting, such as Fig. 7, Fig. 8.Should illustrate be：Small dimension is not necessarily referring to actual size with normal specifications in the application
It is big or small in meaning；" small dimension " of the application refer to cut on the basis of conventional specification relative to normal specifications and
The small pieces cell piece of speech.
As shown in figures 3-8, the present embodiment is prepared by following step：
S1：Positive electrode 3 is included into several are formed on the solar battery sheet of stock size by half tone design and printing
With the battery small pieces 5 of back electrode 6, positive electrode 3 is located at the front of battery small pieces, and back electrode 6 is located at the back side of the small blade unit of battery,
And positive electrode and back electrode are located at the both ends of battery small pieces respectively；
S2：A cutting area 4 for being used to cut is formed between adjacent cell small pieces 5；
S3：Along cutting section 4 cut, form some independent battery small pieces 5；Battery small pieces 5 can individually make
If with or dry cell small pieces 5 be together in series use.
Embodiment 2
As shown in Fig. 7, Fig. 8, Figure 10, a kind of solar cell of the present utility model, including 3-5 size identical battery
Small pieces 5, the front of each battery small pieces 5 is provided with positive electrode 3, back electrode 6, and positive electrode and back of the body electricity are provided with its back side
Pole is located at the both ends of battery small pieces respectively, the both ends stackings of adjacent battery small pieces make the back electrodes of a battery small pieces with it is next
The positive electrode connection of battery small pieces, the width of lamination area is 0.8~2mm.The both ends of adjacent solar cell small pieces pass through
Conductive silver glue 9 forms electrical connection, and the thickness (i.e. the thickness of conductive silver glue 9) of lamination area is 15~60 μm.
Each width of solar cell small pieces positive electrode 3 is 0.8~1.2mm, and the width of back electrode 6 is 1~1.7mm.
For convenience, in the present embodiment, " the small dimension sun in " battery small pieces " reference embodiment 1 has been used
Energy battery ".
As shown in Fig. 3-8, Figure 10, the present embodiment is prepared by following step：
S1：By half tone design and printing, into being formed on the solar battery sheet of stock size, 3-5 is individual to include the He of positive electrode 3
The battery small pieces 5 of back electrode 6, positive electrode 3 are located at the front of battery small pieces, and back electrode 6 is located at the back side of battery small pieces, and positive electricity
Pole and back electrode are located at the both ends of battery small pieces respectively；The width of positive electrode 3 is 0.8~1.2mm, the width of back electrode 6 for 1~
1.7mm；For the ease of printing, as shown in Figure 3, Figure 4, the electrode spacing between adjacent cell small pieces 5 is not fully consistent.
S2：A cutting section 4 for being used to cut is formed between adjacent cell small pieces 5；
S3：Along cutting section 4 cut, form some independent battery small pieces 5；
S4：If dry cell small pieces 5 are small by the back electrode 6 of upper battery small pieces and next battery by conductive silver glue material 9
The positive electrode 3 of piece connects；The width of overlapping region between the positive electrode 3 of the back electrode 6 of upper battery small pieces and next battery small pieces
It is 15~60 μm to spend for 0.8~2mm, thickness；Form solar cell.
Particular embodiments described above, technical problem, technical scheme and the beneficial effect solved to the utility model are entered
Further description is gone, should be understood that and the foregoing is only specific implementation of the patent example, be not used to limit
The utility model processed, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements done etc.,
It should be included within the scope of protection of the utility model.
Claims (5)
- A kind of 1. small dimension solar cell, it is characterised in that：Formed by solar battery sheet along electrode direction cutting, at it just Face is provided with positive electrode, back electrode is provided with its back side, and positive electrode and back electrode are located at small dimension solar cell respectively Both ends, positive electrode width is 0.8~1.2mm, and back side back electrode width is 1~1.7mm.
- A kind of 2. solar cell, it is characterised in that：Including some size identical battery small pieces, in each battery small pieces just Face is provided with positive electrode, back electrode is provided with its back side, and positive electrode and back electrode are located at the both ends of battery small pieces, phase respectively The both ends stacking of adjacent battery small pieces makes the back electrode of a battery small pieces be connected with the positive electrode of next battery small pieces, is laminated area The width in domain is 0.8~2mm.
- 3. solar cell according to claim 2, it is characterised in that：The both ends of adjacent solar cell small pieces pass through Conductive silver glue forms electrical connection, and the thickness of lamination area is 15~60 μm.
- 4. solar cell according to claim 2, it is characterised in that：Each solar cell small pieces positive electrode width is 0.8~1.2mm, back side back electrode width are 1~1.7mm.
- 5. solar cell according to claim 2, it is characterised in that：The quantity of solar cell small pieces is 3-5 pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720498985.4U CN207097838U (en) | 2017-05-05 | 2017-05-05 | Small dimension solar cell and solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720498985.4U CN207097838U (en) | 2017-05-05 | 2017-05-05 | Small dimension solar cell and solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207097838U true CN207097838U (en) | 2018-03-13 |
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ID=61547100
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720498985.4U Active CN207097838U (en) | 2017-05-05 | 2017-05-05 | Small dimension solar cell and solar cell |
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| CN (1) | CN207097838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134500A (en) * | 2017-05-05 | 2017-09-05 | 常州天合光能有限公司 | Small dimension solar cell, solar cell and preparation method thereof |
-
2017
- 2017-05-05 CN CN201720498985.4U patent/CN207097838U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134500A (en) * | 2017-05-05 | 2017-09-05 | 常州天合光能有限公司 | Small dimension solar cell, solar cell and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee after: TRINA SOLAR Co.,Ltd. Address before: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee before: trina solar Ltd. Address after: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee after: trina solar Ltd. Address before: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee before: CHANGZHOU TRINA SOLAR ENERGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |