CN219642846U - Battery piece, printing screen and photovoltaic module - Google Patents
Battery piece, printing screen and photovoltaic module Download PDFInfo
- Publication number
- CN219642846U CN219642846U CN202320792299.3U CN202320792299U CN219642846U CN 219642846 U CN219642846 U CN 219642846U CN 202320792299 U CN202320792299 U CN 202320792299U CN 219642846 U CN219642846 U CN 219642846U
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- Prior art keywords
- sub
- line
- grid line
- auxiliary grid
- encryption
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- 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.)
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 87
- 238000003466 welding Methods 0.000 claims abstract description 23
- 230000002787 reinforcement Effects 0.000 claims description 27
- 229910000679 solder Inorganic materials 0.000 claims description 22
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 210000004027 cell Anatomy 0.000 description 8
- 210000005056 cell body Anatomy 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a battery piece, a printing screen plate and a photovoltaic module, wherein the battery piece comprises a battery piece body and a plurality of auxiliary grid lines, the auxiliary grid lines are arranged on the battery piece body at intervals, a plurality of reinforcing parts which are arranged at intervals are arranged on the auxiliary grid lines, and the reinforcing parts are connected with a welding strip. Therefore, the plurality of auxiliary grid lines are arranged on the battery piece body, so that the plurality of auxiliary grid lines can collect the current on the battery piece body more reliably, and the service performance of the battery piece is improved. Meanwhile, the reinforcing part is arranged on the auxiliary grid line to provide a position for the subsequent connection with the welding strip, so that the welding strip can be connected with the battery piece through the reinforcing part, the connection of the welding strip is simpler and more reliable, and the reinforcing part can improve the current collecting capacity of the auxiliary grid line so as to improve the service performance of the battery piece. In addition, since a plurality of auxiliary grid lines are arranged, the printing paste is reduced, so that the production cost is reduced.
Description
Technical Field
The utility model relates to the technical field, in particular to a battery piece, a printing screen and a photovoltaic module.
Background
In the prior art, a grid line is arranged on a photovoltaic cell to collect current on the cell. In general, the grid lines include a main grid line and an auxiliary grid line, and the current collected by the auxiliary grid line is transferred to the main grid line for collection, so as to improve the service performance of the battery piece. In the related art, more paste is used for printing the main grid lines than for printing the auxiliary grid lines, so that the production cost of the battery piece is high.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a battery plate, on which a plurality of sub-grids are provided to reduce production cost.
Another object of the present utility model is to provide a printing screen for printing the battery sheet
It is still another object of the present utility model to provide a photovoltaic module including the battery sheet.
According to an embodiment of the utility model, a battery sheet includes: the battery piece body and vice bars line, vice bars line is a plurality of and the interval is located on the battery piece body, be equipped with the reinforcing part that a plurality of intervals set up on the vice bars line, the reinforcing part is constructed to be connected with the welding strip.
According to the battery piece provided by the embodiment of the utility model, the plurality of auxiliary grid lines are arranged on the battery piece body, so that the plurality of auxiliary grid lines can more reliably collect the current on the battery piece body, and the service performance of the battery piece is improved. Meanwhile, the reinforcing part is arranged on the auxiliary grid line to provide a position for the subsequent connection with the welding strip, so that the welding strip can be connected with the battery piece through the reinforcing part, the connection of the welding strip is simpler and more reliable, and the reinforcing part can improve the current collecting capacity of the auxiliary grid line so as to improve the service performance of the battery piece. In addition, since a plurality of auxiliary grid lines are arranged, the printing paste is reduced, so that the production cost is reduced.
In some embodiments, the auxiliary grid line includes a first auxiliary grid line and a second auxiliary grid line, the first auxiliary grid line is a plurality of parallel arranged auxiliary grid lines, a plurality of second auxiliary grid lines are arranged between adjacent first auxiliary grid lines, the reinforcing part includes a first reinforcing part and a second reinforcing part, the first reinforcing part is arranged on the first auxiliary grid line, the second reinforcing part is arranged on the second auxiliary grid line, a plurality of second reinforcing parts are arranged adjacent first reinforcing parts, the first reinforcing parts and the second reinforcing parts are arranged on the same straight line, the first reinforcing parts are configured to be glued with the welding strip, and the second reinforcing parts are configured to be welded with the welding strip.
In some embodiments, the first reinforcing part is a square reinforcing part and is provided with a cavity, the square reinforcing part is arranged on the first auxiliary grid line, and a cementing part is arranged in the cavity.
In some embodiments, the top end of the glue joint is flush with the first reinforcement; or the tip of the glued joint exceeds the first reinforcement.
In some embodiments, the protrusion heights of the plurality of second reinforcing parts between adjacent first reinforcing parts are different.
In some embodiments, the height of the second reinforcement portion decreases and then increases in a direction away from one of the adjacent two first reinforcement portions toward the other of the adjacent two first reinforcement portions.
In some embodiments, further comprising: the encryption auxiliary grid lines are arranged at two ends of the auxiliary grid line in the extending direction, and the encryption auxiliary grid lines are arranged between the first auxiliary grid line and the second auxiliary grid line and/or between the first auxiliary grid line and the second auxiliary grid line; the encrypted sub-grid lines are arranged between the adjacent second sub-grid lines.
In some embodiments, the encryption sub-gate line includes a first encryption line and a second encryption line, the first encryption line is in a first linear direction with the sub-gate line and is connected to two ends of the sub-gate line, the second encryption line is disposed between adjacent first encryption lines, an end of the second encryption line is in a second linear direction with an end of the first encryption line, and the first linear direction is perpendicular to the second linear direction.
According to an embodiment of the present utility model, the printing screen is used for printing the battery sheet as described above.
According to the printing screen, the battery piece is printed by using the printing screen, and the plurality of auxiliary grid lines are arranged on the battery piece body, so that the plurality of auxiliary grid lines can more reliably collect the current on the battery piece body, and the service performance of the battery piece is improved. Meanwhile, the reinforcing part is arranged on the auxiliary grid line to provide a position for the subsequent connection with the welding strip, so that the welding strip can be connected with the battery piece through the reinforcing part, the connection of the welding strip is simpler and more reliable, and the reinforcing part can improve the current collecting capacity of the auxiliary grid line so as to improve the service performance of the battery piece.
According to an embodiment of the utility model, a photovoltaic module includes: the battery piece is fixedly connected with the welding strip.
According to the photovoltaic module provided by the embodiment of the utility model, the plurality of auxiliary grid lines are arranged on the battery piece body, so that the plurality of auxiliary grid lines can more reliably collect the current on the battery piece body, and the service performance of the battery piece is improved. Meanwhile, the reinforcing part is arranged on the auxiliary grid line to provide a position for the subsequent connection with the welding strip, so that the welding strip can be connected with the battery piece through the reinforcing part, the connection of the welding strip is simpler and more reliable, and the reinforcing part can improve the current collecting capacity of the auxiliary grid line so as to improve the service performance of the battery piece. Moreover, the production construction of the main grid line of the battery piece produced by the method is reduced, so that the production cost is reduced, and the production cost of the photovoltaic module is reduced.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of a battery sheet according to an embodiment of the present utility model;
fig. 2 is a schematic structural view of a battery sheet according to an embodiment of the present utility model;
fig. 3 is a schematic view of a portion of a structure of a battery sheet according to an embodiment of the present utility model;
fig. 4 is a schematic side view of a battery sheet according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of the structure of a printing screen according to an embodiment of the present utility model;
fig. 6 is a schematic structural view of a photovoltaic module according to an embodiment of the present utility model;
fig. 7 is a schematic structural view of a photovoltaic module according to an embodiment of the present utility model;
reference numerals:
the electrical components of the battery cell 10, the solder strip 11,
the battery cell body 100 is provided with a plurality of battery cells,
the sub-gate line 200, the first sub-gate line 201, the second sub-gate line 202, the reinforcement portion 210, the first reinforcement portion 211, the second reinforcement portion 212, the cavity 213, the glue joint portion 214,
the encryption sub-gate line 300, the first encryption line 301, the second encryption line 302,
the screen 20, the photovoltaic module 30 are printed.
Detailed Description
Embodiments of the present utility model will be described in detail below, by way of example with reference to the accompanying drawings.
A battery sheet 10 according to an embodiment of the present utility model is described below with reference to fig. 1 to 7, including: a battery cell body 100 and a sub-grid 200.
Specifically, the sub-grid lines 200 are provided in a plurality of spaced apart form on the battery cell body 100, and the sub-grid lines 200 are provided with a plurality of spaced apart reinforcing portions 210, the reinforcing portions 210 being configured to be connected to the solder strips 11.
It can be appreciated that, by providing the plurality of sub-grids 200 on the battery cell body 100 to collect the current, the design of the main grid is saved compared with the battery cell body 100 in the prior art, thereby reducing the production cost of the battery cell 10.
Meanwhile, the secondary grid line 200 is further provided with a reinforcing part 210 connected with the solder strip 11, so that the secondary grid line 200 is suitable for being connected with the secondary grid line 200 through the reinforcing part 210 when the battery piece 10 is subjected to subsequent processes, the battery piece 10 is simpler to use subsequently, and the assembly connection of the solder strip 11 is more reliable, so that the subsequent use performance of the battery piece 10 is improved.
According to the battery piece 10 of the embodiment of the utility model, the plurality of auxiliary grid lines 200 are arranged on the battery piece body 100, so that the plurality of auxiliary grid lines 200 can more reliably collect the current on the battery piece body 100, and the service performance of the battery piece 10 is improved. Meanwhile, the reinforcing portion 210 is provided on the auxiliary grid line 200 to provide a position for the subsequent connection with the solder strip 11, so that the solder strip 11 can be connected with the battery piece 10 through the reinforcing portion 210, the connection of the solder strip 11 is simpler and more reliable, and the capability of collecting current of the auxiliary grid line 200 is improved by the reinforcing portion 210, so that the service performance of the battery piece 10 is improved. In addition, since the plurality of sub-gate lines 200 are provided, printing paste is reduced, so that production costs are reduced.
In some embodiments, the sub-gate line 200 includes a first sub-gate line 201 and a second sub-gate line 202, the first sub-gate line 201 is a plurality of sub-gate lines arranged in parallel, the plurality of second sub-gate lines 202 are arranged between adjacent first sub-gate lines 201 at intervals, the reinforcing portion 210 includes a first reinforcing portion 211 and a second reinforcing portion 212, the first reinforcing portion 211 is arranged on the first sub-gate line 201, the second reinforcing portion 212 is arranged on the second sub-gate line 202, the adjacent first reinforcing portion 211 is further provided with a plurality of second reinforcing portions 212, and the first reinforcing portion 211 and the second reinforcing portion 212 are arranged on the same line, the first reinforcing portion 211 is configured to be bonded with the bonding tape 11, and the second reinforcing portion 212 is configured to be bonded with the bonding tape 11.
It can be appreciated that the sub-grid line 200 includes a first sub-grid line 201 and a second sub-grid line 202, and the first sub-grid line 201 and the second sub-grid line 202 are suitably arranged on the battery plate body 100 in a spaced manner, so that the sub-grid lines 200 provided on the battery plate 10 are more dense, and thus the current collection on the battery plate 10 is more reliable, so as to improve the service performance of the battery plate 10. Meanwhile, the reinforcement portion 210 is suitable for including a first reinforcement portion 211 and a second reinforcement portion 212, the first reinforcement portion 211 is correspondingly disposed on the first auxiliary grid line 201, the second reinforcement portion 212 is correspondingly disposed on the second auxiliary grid line 202, and the solder strip 11 is suitable for being connected with the battery cell 10 through the first reinforcement portion 211 and the second reinforcement portion 212, so that the battery cell 10 can be used more reliably.
In some embodiments, the first reinforcing portion 211 is a square reinforcing portion 210 and is provided with a cavity 213, the square reinforcing portion 210 is disposed on the first auxiliary grid line 201, and the cavity 213 is provided with an adhesive bonding portion 214. In this way, by arranging the first reinforcing portion 211 as the square reinforcing portion 210, so as to form the cavity 213 in the square reinforcing portion 210, the adhesive bonding portion 214 is suitable for being arranged in the cavity 213, so that the adhesive bonding portion 214 is connected with the solder strip 11, and the use of the adhesive bonding portion 214 to connect the solder strip 11 can reduce the influence of the solder strip 11 on the battery piece 10, thereby improving the service performance of the battery piece 10.
In some embodiments, the top end of the glue 214 is flush with the first reinforcement 211; or the tip of the glue 214 extends beyond the first reinforcement 211. Therefore, the top end of the adhesive part 214 is flush with the first reinforcing part 211 or the top end of the adhesive part 214 exceeds the first reinforcing part 211, so that the adhesive part 214 is suitable for being connected when the welding strip 11 is connected with the battery piece 10, thereby reducing the influence on the usability of the battery piece 10 when the adhesive part 214 is connected with the welding strip 11, and further improving the usability.
In some embodiments, the protrusion heights of the plurality of second reinforcing parts 212 between adjacent first reinforcing parts 211 are different. In this way, the protruding heights of the plurality of second reinforcing portions 212 disposed between the adjacent first reinforcing portions 211 are different, so that the bonding effect between the bonding strap 11 and the reinforcing portion 210 is improved when the bonding strap 11 is connected with the second reinforcing portion 212, and the connection stability between the bonding strap 11 and the battery piece 10 is improved, thereby improving the usability.
In some embodiments, the height of the second reinforcement portion 212 decreases and then increases in a direction away from one of the adjacent two first reinforcement portions 211 toward the other of the adjacent two first reinforcement portions 211. Therefore, the height of the plurality of second reinforcing parts 212 is configured to be reduced and then increased, that is, the height variation of the plurality of second reinforcing parts 212 in the lateral direction is configured in the form of a U-shaped curve, so that the connection length between the solder ribbon 11 and the battery cell 10 is increased, and the connection of the solder ribbon 11 is more stable.
In some embodiments, the battery sheet 10 further includes: the encrypted sub-gate lines 300, the encrypted sub-gate lines 300 being disposed at both ends of the sub-gate line 200 in the extending direction, and the encrypted sub-gate lines 300 being disposed between the first sub-gate line 201 and the second sub-gate line 202 at intervals, and/or; the encrypted sub-gate lines 300 are disposed between adjacent second sub-gate lines 202 at intervals. In this way, by adding the encrypted sub-grid line 300 on the edge of the battery piece body 100, the current collection capability of the edge of the battery piece 10 is improved, so that the current collection efficiency of the battery piece 10 is improved.
In some embodiments, the encrypted sub-gate line 300 includes a first encrypted line 301 and a second encrypted line 302, the first encrypted line 301 and the sub-gate line 200 are in a first linear direction and connected to both ends of the sub-gate line 200, the second encrypted line 302 is disposed between adjacent first encrypted lines 301, an end of the second encrypted line 302 is in a second linear direction with an end of the first encrypted line 301, and the first linear direction is perpendicular to the second linear direction. Therefore, by making the ends of the first encryption line 301 and the second encryption line 302 on the same straight line, the influence of the encryption sub-grid line 300 on the current collection of the sub-grid line 200 is avoided, so that the sub-grid line 200 can collect the current more reliably, and the service performance of the battery piece 10 is improved.
According to the printing screen 20 of the embodiment of the present utility model, the printing screen 20 is used to print the battery sheet 10 as described above. In this way, the battery piece 10 is printed by using the printing screen 20, and the plurality of sub-grid lines 200 are arranged on the battery piece body 100, so that the plurality of sub-grid lines 200 can more reliably collect the current on the battery piece body 100, thereby improving the service performance of the battery piece 10. Meanwhile, the reinforcing portion 210 is provided on the auxiliary grid line 200 to provide a position for the subsequent connection with the solder strip 11, so that the solder strip 11 can be connected with the battery piece 10 through the reinforcing portion 210, the connection of the solder strip 11 is simpler and more reliable, and the capability of collecting current of the auxiliary grid line 200 is improved by the reinforcing portion 210, so that the service performance of the battery piece 10 is improved.
The photovoltaic module 30 according to the embodiment of the present utility model includes: the welding strip 11 and the battery piece 10 are fixedly connected with the welding strip 11. Therefore, the plurality of sub-grids 200 are arranged on the battery plate body 100, so that the plurality of sub-grids 200 can more reliably collect the current on the battery plate body 100, and the service performance of the battery plate 10 is improved. Meanwhile, the reinforcing portion 210 is provided on the auxiliary grid line 200 to provide a position for the subsequent connection with the solder strip 11, so that the solder strip 11 can be connected with the battery piece 10 through the reinforcing portion 210, the connection of the solder strip 11 is simpler and more reliable, and the capability of collecting current of the auxiliary grid line 200 is improved by the reinforcing portion 210, so that the service performance of the battery piece 10 is improved. Furthermore, in the battery sheet 10 produced in the above manner, the production construction of the main grid line is reduced, so that the production cost is reduced, thereby reducing the production cost of the photovoltaic module 30.
Other constructions and operations of the photovoltaic module 30 according to embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A battery cell, comprising:
a battery sheet body (100);
the auxiliary grid lines (200) are arranged on the battery piece body (100) at intervals, a plurality of reinforcing parts (210) are arranged on the auxiliary grid lines (200) at intervals, and the reinforcing parts (210) are connected with the welding strips.
2. The battery cell according to claim 1, wherein the sub-grid line (200) includes a first sub-grid line (201) and a second sub-grid line (202), the first sub-grid line (201) is a plurality of parallel arranged sub-grid lines, the plurality of second sub-grid lines (202) are arranged between adjacent first sub-grid lines (201) at intervals, the reinforcing portion (210) includes a first reinforcing portion (211) and a second reinforcing portion (212), the first reinforcing portion (211) is arranged on the first sub-grid line (201), the second reinforcing portion (212) is arranged on the second sub-grid line (202), a plurality of second reinforcing portions (212) are also arranged adjacent to the first reinforcing portion (211) and the second reinforcing portion (212) are arranged on the same line, the first reinforcing portion (211) is configured to be glued with the solder ribbon, and the second reinforcing portion (212) is configured to be soldered with the solder ribbon.
3. The battery plate according to claim 2, wherein the first reinforcing portion (211) is a square reinforcing portion (210) and is provided with a cavity (213), the square reinforcing portion (210) is disposed on the first auxiliary grid line (201), and an adhesive joint portion (214) is disposed in the cavity (213).
4. A battery plate according to claim 3, characterized in that the tip of the glue joint (214) is flush with the first reinforcement (211); or the tip of the glued joint (214) exceeds the first reinforcement (211).
5. The battery sheet according to claim 2, wherein the protrusion heights of the plurality of second reinforcement parts (212) between adjacent first reinforcement parts (211) are different.
6. The battery sheet according to claim 2, wherein the height of the second reinforcement portion (212) decreases before increasing in a direction away from one of the adjacent two first reinforcement portions (211) toward the other of the adjacent two first reinforcement portions (211).
7. The battery sheet according to claim 2, further comprising: an encryption auxiliary grid line (300), wherein the encryption auxiliary grid line (300) is arranged at two ends of the auxiliary grid line (200) in the extending direction, and the encryption auxiliary grid line (300) is arranged between the first auxiliary grid line (201) and the second auxiliary grid line (202) at intervals, and/or the encryption auxiliary grid line is arranged between the first auxiliary grid line and the second auxiliary grid line;
the encrypted sub-grid lines (300) are arranged between the adjacent second sub-grid lines (202) at intervals.
8. The battery piece according to claim 7, wherein the encryption sub-grid line (300) includes a first encryption line (301) and a second encryption line (302), the first encryption line (301) and the sub-grid line (200) are in a first linear direction and connected to both ends of the sub-grid line (200), the second encryption line (302) is disposed between adjacent first encryption lines (301), an end of the second encryption line (302) and an end of the first encryption line (301) are in a second linear direction, and the first linear direction is perpendicular to the second linear direction.
9. A printing screen for printing a battery sheet according to any one of claims 1 to 8.
10. A photovoltaic module, comprising:
welding a belt;
the battery cell of any one of claims 1-8, the battery cell fixedly connected to the solder strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320792299.3U CN219642846U (en) | 2023-04-11 | 2023-04-11 | Battery piece, printing screen and photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320792299.3U CN219642846U (en) | 2023-04-11 | 2023-04-11 | Battery piece, printing screen and photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219642846U true CN219642846U (en) | 2023-09-05 |
Family
ID=87814092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320792299.3U Active CN219642846U (en) | 2023-04-11 | 2023-04-11 | Battery piece, printing screen and photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219642846U (en) |
-
2023
- 2023-04-11 CN CN202320792299.3U patent/CN219642846U/en active Active
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