CN205248287U - No main grid battery pack - Google Patents
No main grid battery pack Download PDFInfo
- Publication number
- CN205248287U CN205248287U CN201521084016.1U CN201521084016U CN205248287U CN 205248287 U CN205248287 U CN 205248287U CN 201521084016 U CN201521084016 U CN 201521084016U CN 205248287 U CN205248287 U CN 205248287U
- Authority
- CN
- China
- Prior art keywords
- conducting resinl
- grid line
- aluminium paste
- grid
- cell piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- 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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- Cell Electrode Carriers And Collectors (AREA)
Abstract
The utility model discloses a no main grid battery pack, battery pack includes the battery piece, battery piece openly printing has the grid line to an equidistance interval of battery piece printing grid line is provided with first conducting resin, the alternate printing in the back of battery piece has long banding first aluminium paste and long banding second aluminium paste to the printing of battery piece has an equidistance interval of first aluminium paste and second aluminium paste to be provided with the second conducting resin, is provided with between two adjacent battery pieces and welds the area, welds the first conductive adhesive layer of taking one end to connect a last battery piece, welds the second conductive adhesive layer of taking the other end to connect next battery piece. The conducting resin that this battery pack adopted the segmentation to print replaces metal main grid line to collect the electric current, and the back adopts the aluminium electrode to replace the silver electrode, has saved the use amount of silver -colored thick liquid, has reduced because the too high battery piece that arouses of soldering temperature conceals the problem of splitting with the piece.
Description
Technical field:
The utility model belongs to battery technology field, especially relates to a kind of dereliction grid cell assembly.
Background technology:
At present, the conversion efficiency of photovoltaic generation and manufacturing cost are restricting the large-scale application of solar electrical energy generation. So development of new high efficiency, low cost, highly reliable solar cell and assembly, become photovoltaic industry problem demanding prompt solution. In addition, for common batteries assembly, conventionally adopt the welding manner of 350 DEG C of high temperature between cell piece, to be connected with welding, this kind of method causes cell piece bending because temperature is too high on the one hand, thereby on cell piece, produces a lot of hidden splitting or sliver; Meanwhile, welding is different from the thermal coefficient of expansion at the bottom of silver and silicon wafer-based, in outdoor application of later stage, due to the variation of high and low temperature environment, causes various materials to produce the integrity problems such as disconnected grid and sliver because different thermal coefficient of expansions makes cell piece.
Summary of the invention:
Technical problem to be solved in the utility model is: solve prior art and adopt argent main grid line cost high, and in the process of high-temperature soldering, easily cause the hidden problem that causes reducing cell piece reliability with sliver of splitting of battery.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of dereliction grid cell assembly, described battery component comprises cell piece, described cell piece front is printed with grid line, and the one side equi-spaced apart of cell piece printing grid line is provided with the first conducting resinl, alternate the first aluminium paste of strip and second aluminium paste of strip of being printed with in the back side of described cell piece, and the one side equi-spaced apart that cell piece is printed with the first aluminium paste and the second aluminium paste is provided with the second conducting resinl, between adjacent two cell pieces, be provided with welding, welding one end connects the first conductive adhesive layer of a cell piece, the welding other end connects the second conductive adhesive layer of next cell piece.
As preferably, described grid line is divided into horizontal grid line and equidistant three groups of longitudinal grid lines that arrange, described horizontal grid line is equidistantly printed with 80～120 thin grid lines, and every group of longitudinal grid line is made up of 3 thin grid lines, and outside every group of longitudinal grid line, the distance between two thin grid lines is 1.4mm.
As preferably, with the width of the grid line of the first conducting resinl connection be 150 μ m.
As preferably, the spacing distance between adjacent two section of first conducting resinl is less than the spacing distance between adjacent two section of second conducting resinl.
As preferably, in described the second aluminium paste, the granularity of aluminium powder is less than the granularity of aluminium powder in the first aluminium paste.
As preferably, described the second conducting resinl and the second aluminium paste are parallel to each other, and described the first conducting resinl parallels with the second conducting resinl.
As preferably, described the first conducting resinl is provided with 8 sections, and two section first, outside conducting resinl length is 10mm, and middle 6 section of first conducting resinl length is 6mm, and described the second conducting resinl is provided with 4 sections, and the length of 4 section of second conducting resinl is 15mm.
Compared with prior art, usefulness of the present utility model is: this battery component adopts the conducting resinl of segmentation printing to replace master metal grid line collected current, the back side adopts aluminium electrode to replace silver electrode, save the use amount of silver-colored slurry, reduced that the cell piece causing because welding temperature is too high is hidden to be split and the problem of fragment.
Brief description of the drawings:
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is the utility model top view.
Fig. 2 is the front view of cell piece.
Fig. 3 is the rear view of cell piece.
Fig. 4 is that adjacent two battery components are by welding connection diagram.
In figure: 1, cell piece; 2, the first conducting resinl; 3, the second conducting resinl; 4, the first aluminium paste; 5, the second aluminium paste; 6, welding; 71, horizontal grid line; 72, longitudinal grid line.
Detailed description of the invention:
Below in conjunction with the drawings and the specific embodiments, the utility model is described in detail:
A kind of dereliction grid cell assembly as shown in Figures 1 to 4, described battery component comprises cell piece 1, described cell piece 1 front is printed with grid line, and the one side equi-spaced apart that cell piece 1 prints grid line is provided with the first conducting resinl 2, alternate the first aluminium paste 4 of strip and second aluminium paste 5 of strip of being printed with in the back side of described cell piece 1, and the one side equi-spaced apart that cell piece 1 is printed with the first aluminium paste 4 and the second aluminium paste 5 is provided with the second conducting resinl 3, between adjacent two cell pieces 1, be provided with welding 6, described welding 6 is connected with cell piece 1 by conducting resinl, described welding 6 one end connect the first conducting resinl 2 of a cell piece 1, welding 6 other ends connect the second conducting resinl 3 of next cell piece 1.
Described grid line is divided into horizontal grid line 71 and equidistant three groups of longitudinal grid lines 72 that arrange, described horizontal grid line 71 is equidistantly printed with 80～120 thin grid lines, every group of longitudinal grid line 72 is made up of 3 thin grid lines, and distance between every group of thin grid line in two, 72 outside of longitudinal grid line is 1.4mm. The first conducting resinl 2 is printed on grid line.
Spacing distance between adjacent two section of first conducting resinl 2 is less than the spacing distance between adjacent two section of second conducting resinl 3.
With the width of the grid line of the first conducting resinl 2 connections be 150 μ m, the part of grid line adopts the design of overstriking to increase the contact area of the first conducting resinl 2 and grid line herein, the part of the former silver electrode in the back side is replaced by the second aluminium paste 5, to improve open-circuit voltage and the electric current of battery, ensure has good tack with the first conducting resinl 2 simultaneously.
The granularity of described the second aluminium paste 5 is less than the granularity of the first aluminium paste 4, in both density, is suitable, just granularity difference, and the aluminum particle diameter in the second aluminium paste is 1 micron, in the first aluminium paste, the diameter of aluminium powder is 10 microns of left and right.
Described the second conducting resinl 3 and the second aluminium paste 5 are parallel to each other, described the first conducting resinl 2 parallels with the second conducting resinl 3, the second conducting resinl 3 and the second aluminium paste 5 are strip, the length direction of the two is parallel to each other, and the length direction of other the first conducting resinl 2 also parallels with the length direction of the second conducting resinl 3.
Described the first conducting resinl 2 is set to 8 sections, and two section first, outside conducting resinl 2 length are 10mm, and middle 6 section of first conducting resinl 2 length are 6mm, and described the second conducting resinl 3 is set to 4 sections, and the length of 4 section of second conducting resinl 3 is 15mm.
It is emphasized that: be only preferred embodiment of the present utility model above, not the utility model is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. a dereliction grid cell assembly, it is characterized in that: described battery component comprises cell piece (1), described cell piece (1) front is printed with grid line, and the one side equi-spaced apart of cell piece (1) printing grid line is provided with the first conducting resinl (2), alternate first aluminium paste (4) of strip and second aluminium paste (5) of strip of being printed with in the back side of described cell piece (1), and the one side equi-spaced apart that cell piece (1) is printed with the first aluminium paste (4) and the second aluminium paste (5) is provided with the second conducting resinl (3), between adjacent two cell pieces (1), be provided with welding (6), described welding (6) one end connects first conductive adhesive layer (2) of a cell piece (1), welding (6) other end connects second conducting resinl (3) of next cell piece (1).
2. dereliction grid cell assembly according to claim 1, it is characterized in that: described grid line is divided into horizontal grid line (71) and the equidistant three groups of longitudinal grid lines (72) that arrange, described horizontal grid line (71) is equidistantly printed with 80～120 thin grid lines, every group of longitudinal grid line (72) is made up of 3 thin grid lines, and outside every group of longitudinal grid line (72), the distance between two thin grid lines is 1.4mm.
3. dereliction grid cell assembly according to claim 1, is characterized in that: with the width of the grid line of the first conducting resinl (2) connection be 150 μ m.
4. dereliction grid cell assembly according to claim 1, is characterized in that: the spacing distance between adjacent two section of first conducting resinl (2) is less than the spacing distance between adjacent two section of second conducting resinl (3).
5. dereliction grid cell assembly according to claim 1, is characterized in that: in described the second aluminium paste (5), the granularity of aluminium powder is less than the granularity of aluminium powder in the first aluminium paste (4).
6. dereliction grid cell assembly according to claim 1, is characterized in that: described the second conducting resinl (3) is parallel to each other with the second aluminium paste (5), and described the first conducting resinl (2) parallels with the second conducting resinl (3).
7. dereliction grid cell assembly according to claim 1, it is characterized in that: described the first conducting resinl (2) is provided with 8 sections, outside two section of first conducting resinl (2) length is 10mm, middle 6 section of first conducting resinl (2) length is 6mm, described the second conducting resinl (3) is provided with 4 sections, and the length of 4 section of second conducting resinl (3) is 15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521084016.1U CN205248287U (en) | 2015-12-23 | 2015-12-23 | No main grid battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521084016.1U CN205248287U (en) | 2015-12-23 | 2015-12-23 | No main grid battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205248287U true CN205248287U (en) | 2016-05-18 |
Family
ID=55947365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521084016.1U Expired - Fee Related CN205248287U (en) | 2015-12-23 | 2015-12-23 | No main grid battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205248287U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110010711A (en) * | 2019-04-24 | 2019-07-12 | 通威太阳能（成都）有限公司 | A kind of solar cell module and its processing technology of the front without welding |
| CN112420854A (en) * | 2020-11-02 | 2021-02-26 | 苏州阿特斯阳光电力科技有限公司 | Photovoltaic module |
| CN113054043A (en) * | 2021-03-10 | 2021-06-29 | 苏州元昱新能源有限公司 | Single-side light-receiving heterojunction photovoltaic cell grid line electrode structure |
-
2015
- 2015-12-23 CN CN201521084016.1U patent/CN205248287U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110010711A (en) * | 2019-04-24 | 2019-07-12 | 通威太阳能（成都）有限公司 | A kind of solar cell module and its processing technology of the front without welding |
| CN112420854A (en) * | 2020-11-02 | 2021-02-26 | 苏州阿特斯阳光电力科技有限公司 | Photovoltaic module |
| CN113054043A (en) * | 2021-03-10 | 2021-06-29 | 苏州元昱新能源有限公司 | Single-side light-receiving heterojunction photovoltaic cell grid line electrode structure |
| CN113054043B (en) * | 2021-03-10 | 2023-03-21 | 苏州元昱新能源有限公司 | Single-side light-receiving heterojunction photovoltaic cell grid line electrode structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20171223 |