CN218561669U - Electroplating anode structure for copper electrode of solar cell - Google Patents
Electroplating anode structure for copper electrode of solar cell Download PDFInfo
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- CN218561669U CN218561669U CN202223167842.5U CN202223167842U CN218561669U CN 218561669 U CN218561669 U CN 218561669U CN 202223167842 U CN202223167842 U CN 202223167842U CN 218561669 U CN218561669 U CN 218561669U
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Abstract
The utility model relates to a solar wafer copper electrode electroplates positive pole structure, including the electrically conductive support of positive pole, a plurality of anode plate subassemblies set gradually and are connected with the electrically conductive support electricity of positive pole, form the battery piece insert region between two adjacent anode plate subassemblies, the anode plate subassembly includes the installation frame, the anode plate group is including positive anode plate, back anode plate, positive anode plate, back anode plate sets up in the installation frame respectively independently, and be connected with the electrically conductive support electricity of positive pole, positive anode plate, the one side of back anode plate is relative, positive anode plate, the another side of back anode plate is provided with filtration membrane. Different currents can be applied to the front anode plate and the back anode plate at the same time, so that the electroplating of different copper electrode areas on two sides of the solar cell is realized; the different two sides of polylith battery piece are electroplated simultaneously to the cooperation polylith positive plate subassembly, have improved the electroplating productivity of battery piece greatly.
Description
Technical Field
The utility model relates to a solar cell and semiconductor manufacture field, concretely relates to solar wafer copper electrode electroplates positive pole structure.
Background
With the rapid development of the photovoltaic industry, the industrial preparation technology of the solar cell is more and more diversified, and the preparation cost is lower and lower. The electroplating process is a procedure in the preparation process of the solar cell, and the electroplating process of the copper electrode of the solar cell is completed by forming a metal (copper) electrode on the surface of the solar cell and then adding an anode plate and sinking the metal (copper) electrode into electroplating liquid.
Along with the increasing requirements of the electroplating device on the processing efficiency, how to simultaneously electroplate a plurality of battery plates in one electroplating device has become the research direction of the electroplating device, so that a plurality of anode plates are arranged in parallel in the structure of the existing electroplating device, and the battery plates are inserted between two adjacent anode plates, thereby realizing the simultaneous electroplating of the plurality of anode plates. The front surface and the back surface of the solar cell piece are provided with different circuit regions and electroplating areas, so that two surfaces of the cell piece are required to be electroplated respectively, the horizontal electroplating cannot realize simultaneous electroplating of the two surfaces due to the limitation of the structure, the vertical electroplating structure is complex, and the problem of high fragment rate is difficult to solve.
Disclosure of Invention
The utility model aims at providing a solar wafer copper electrode electroplates positive pole structure.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a solar wafer electroplates positive pole structure, includes positive pole electrically conductive support, a plurality of anode plate subassembly, it is a plurality of the anode plate subassembly set gradually and with the electrically conductive support electricity of positive pole connect adjacent two the anode plate subassembly between form the battery piece and insert the region, the anode plate subassembly include installation frame, anode plate group include positive anode plate, back anode plate, positive anode plate, back anode plate independently set up respectively the installation frame in, and with the electrically conductive support electricity of positive pole connect, positive anode plate, back anode plate one side relative, the another side of positive anode plate, back anode plate be provided with filtration membrane.
Preferably, in the above technical solution, the anode conductive bracket includes a first anode conductive bracket and a second anode conductive bracket, the front anode plate is electrically connected to the first anode conductive bracket, and the back anode plate is electrically connected to the second anode conductive bracket. When the first anode conductive support and the second anode conductive support are respectively connected with anode ends with different currents, two surfaces of the cell can be electroplated simultaneously.
Further preferably, the first anode conductive bracket and the second anode conductive bracket are respectively provided with a pair, the pair of first anode conductive brackets is positioned between the pair of second anode conductive brackets, the front anode plate is simultaneously electrically connected with the pair of first anode conductive brackets, and the back anode plate is simultaneously electrically connected with the pair of second anode conductive brackets.
Preferably, in the above technical solution, the anode conductive support has a conductive connection section, and the plurality of anode plate assemblies are sequentially arranged along an extending direction of the conductive connection section and electrically connected to the conductive connection section.
Further preferably, a plurality of positioning buckles are sleeved on the conductive connecting section; the front anode plate and the back anode plate are provided with conductive legs extending out of the mounting frame, and the conductive legs are inserted between the conductive connecting sections and the positioning buckles.
Still further preferably, the conductive leg is provided with a pair.
Preferably, the mounting frame comprises a mounting plate and cover plates, the cover plates are respectively covered on two opposite sides of the mounting plate and form a setting area, the front anode plate is arranged in the setting area between the mounting plate and the cover plate on one side, and the back anode plate is arranged in the setting area between the mounting plate and the cover plate on the other side.
Further preferably, the surface of the cover plate is provided with a plurality of through holes.
Preferably, the anode structure further comprises a positioning strip, the positioning strip is provided with a plurality of positioning grooves, and each anode plate component is partially clamped in the positioning grooves.
Further preferentially, the two sides of the anode plate component are respectively provided with the positioning strips. The positioning bars respectively fix the anode plate assembly from two sides.
Preferably, in the above technical solution, a plurality of the anode plate assemblies are arranged in parallel.
Preferably, in the above technical solution, the front anode plate and the back anode plate are titanium plates or titanium meshes.
Preferably, in the above technical scheme, the filtration membrane is a PVDF membrane or a PTFE membrane; the thickness of the filter membrane is 100-200 μm.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model improves the anode plate component, and can apply different currents to the front anode plate and the back anode plate at the same time, thereby realizing the electroplating of different copper electrode areas on two sides of the solar cell; the electroplating device is matched with the anode plate assemblies to simultaneously electroplate different two surfaces (different circuit areas and electroplating areas) of the battery plates, so that the electroplating productivity of the battery plates is greatly improved.
Drawings
FIG. 1 is a schematic perspective view of an anode structure according to this embodiment;
FIG. 2 is an enlarged partial schematic view of FIG. 1 at A;
FIG. 3 is a schematic front view of the anode structure of the present embodiment;
FIG. 4 is an enlarged partial schematic view of FIG. 3 at B;
fig. 5 is a schematic perspective view illustrating the connection between the anode plate assembly and the anode conductive bracket in this embodiment;
FIG. 6 is a schematic top view of the anode conductive holder according to the present embodiment;
FIG. 7 is a perspective view of the positioning buckle of the present embodiment;
FIG. 8 is a schematic perspective view of an anode plate assembly according to this embodiment;
fig. 9 is an exploded perspective view of the anode plate assembly of this embodiment.
In the above drawings:
1. an anode conductive support; 10. a conductive connection section; 11. a first anode conductive support; 12. a second anode conductive support; 13. positioning buckles; 131. a positioning buckle main body; 132. an elastic sheet; 2. an anode plate assembly; 21. a mounting frame; 211. mounting a plate; 212. a cover plate; 2120. a through hole; 22. an anode plate group; 220. a conductive leg; 221. a positive anode plate; 222. a back anode plate; 23. a filtration membrane; 3. a positioning bar; 30. and (6) positioning a groove.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present embodiment, as shown in fig. 3, the direction perpendicular to the drawing is the front-rear direction of the present embodiment, and the left-right direction in the drawing is the left-right direction of the present embodiment. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A copper electrode electroplating anode structure of a solar cell comprises an anode conductive support 1 and a plurality of anode plate assemblies 2, wherein the anode plate assemblies 2 are arranged, the anode plate assemblies 2 are sequentially arranged and are electrically connected with the anode conductive support 1, and a cell insertion area is formed between every two adjacent anode plate assemblies 2.
The following details the components and their connections:
as shown in fig. 8, the anode plate assembly 2 includes a mounting frame 21 and an anode plate set 22, the anode plate set 22 includes a front anode plate 221 and a back anode plate 222, the front anode plate 221 and the back anode plate 222 are respectively and independently disposed in the mounting frame 21, and one surfaces of the front anode plate 221 and the back anode plate 222 are opposite. Specifically, the method comprises the following steps:
as shown in fig. 9, the mounting frame 21 includes a mounting plate 211 and two cover plates 212, two sides of the mounting plate 211 are respectively provided with a groove, two cover plates 212 are respectively covered on two opposite sides of the mounting plate 211, and a setting area is respectively formed between the groove on two sides of the mounting plate 211 and the cover plate 212 on two sides; the cover plate 212 has a plurality of through holes 2120 formed therein, and the through holes 2120 are arranged in a matrix.
As shown in fig. 9, the front anode plate 221 is disposed in the disposition area formed between the one-side mounting plate 211 and the one-side cover plate 212, one surface of the front anode plate 221 is attached to the surface of the groove of the mounting plate 211, the other surface of the front anode plate 221 is provided with the filter membrane 23, and the filter membrane 23 is attached to the surface of the cover plate 212; the back anode plate 222 is arranged in an arrangement area formed between the mounting plate 211 on the other side and the cover plate 212 on the other side, one surface of the back anode plate 222 is attached to the surface of the groove of the mounting plate 211, the other surface of the back anode plate 222 is also provided with the filter membrane 23, and the filter membrane 23 is attached to the surface of the cover plate 212.
As shown in fig. 9, the front anode plate 221 has a pair of conductive legs 220 protruding out of the mounting frame 21, and the pair of conductive legs 220 of the front anode plate 221 are symmetrically arranged; the back anode plate 222 also has a pair of conductive legs 220 extending out of the mounting frame 21, the conductive legs 220 of the back anode plate 222 are provided, and the pair of conductive legs 220 are symmetrically provided; the conductive legs 220 of the front anode plate 221 and the back anode plate 222 extend in the same direction.
The front anode plate 221 and the back anode plate 222 are titanium plates or titanium meshes; the filtering membrane 23 is used for isolating oxygen, and may be a PVDF membrane or a PTFE membrane, and the thickness of the filtering membrane 23 is 100-200 μm. In this example, the filtration membrane 23 was a PTFE membrane having a thickness of 100 μm and a surface micropore diameter of 1 μm, and the absolute ethanol had a first bubble point of 0.03MPa and a pure water flow rate of 10ml/cm 2 ·min。
As shown in fig. 6, the anode conductive bracket 1 includes a first anode conductive bracket 11 and a second anode conductive bracket 12, wherein a front anode plate 221 of the anode plate set 22 is electrically connected to the first anode conductive bracket 11, and a back anode plate 222 of the anode plate set 22 is electrically connected to the second anode conductive bracket 12; when the first anode conductive bracket 11 and the second anode conductive bracket 12 are respectively connected with anode ends with different currents, a potential difference is formed between the two, and two different surfaces of the battery piece can be electroplated simultaneously. Specifically, the method comprises the following steps:
as shown in fig. 6, a pair of first anode conductive brackets 11 and a pair of second anode conductive brackets 12 are respectively disposed, the pair of first anode conductive brackets 11 are symmetrically disposed along the front-rear direction, the pair of second anode conductive brackets 12 are also symmetrically disposed along the front-rear direction, and the pair of first anode conductive brackets 11 is located between the pair of second anode conductive brackets 12.
The front anode plate 221 of the anode plate set 22 is electrically connected to a pair of first anode conductive brackets 11 at the same time, the back anode plate 222 of the anode plate set 22 is electrically connected to a pair of second anode conductive brackets 12 at the same time, that is, a pair of conductive legs 220 of the front anode plate 221 are electrically connected to a pair of first anode conductive brackets 11 respectively, and a pair of conductive legs 220 of the back anode plate 222 are electrically connected to a pair of second anode conductive brackets 12 respectively, specifically: as shown in fig. 5, each of the first anode conductive bracket 11 and the second anode conductive bracket 12 has a conductive connecting section 10, the conductive connecting section 10 extends in the left-right direction, each of the conductive connecting sections 10 of the first anode conductive bracket 11 and the second anode conductive bracket 12 is provided with a positioning buckle 13, and the conductive legs 220 of the front anode plate 221 and the back anode plate 222 are inserted between the conductive connecting sections 10 and the positioning buckles 13; as shown in fig. 7, the positioning buckle 13 includes a positioning buckle main body 131 and an elastic sheet 132, the positioning buckle main body 131 is in a U-shaped opening shape, the elastic sheet 132 can elastically deform, one end of the elastic sheet 132 is connected to the opening of the positioning buckle main body 131, the other end of the elastic sheet 132 is located in the opening of the positioning buckle main body 131, a gap is formed between the other end of the elastic sheet 132 and the inner wall of the opening of the positioning buckle main body 131, and the positioning buckle 13 is clamped on the conductive connecting section 10 of the first anode conductive support 11 and the second anode conductive support 12 through the gap.
As shown in fig. 3, 4 and 6, each of the first anode conductive bracket 11 and the second anode conductive bracket 12 is provided with a plurality of positioning buckles 13, and the plurality of positioning buckles 13 are uniformly distributed along the extending direction of the conductive connecting section 10; as shown in fig. 5, a plurality of anode plate assemblies 2 are provided, the plurality of anode plate assemblies 2 are arranged in parallel, and the plurality of anode plate assemblies 2 are uniformly distributed along the extending direction of the conductive connecting section 10, two adjacent anode plate assemblies 2 form a group, one group of anode plate assemblies 2 is electrically connected with the anode conductive bracket 1 through the same positioning buckle 13, that is, the extending directions of the conductive support legs 220 of the two anode plate assemblies 2 in the group are opposite, and the conductive support legs 220 of the two anode plate assemblies 2 are respectively inserted between the conductive connecting section 10 and the positioning buckle 13 along the left-right direction. In addition, the anode plate assembly 2 of the leftmost anode plate assembly 2 among the plurality of anode plate assemblies 2 includes only one anode plate assembly 2, and the anode plate assembly 2 has only the back anode plate 222; the group of anode plate assemblies 2 positioned on the rightmost side among the plurality of anode plate assemblies 2 includes two anode plate assemblies 2, but the anode plate assembly 2 positioned on the rightmost side among them has only the front anode plate 221.
In addition, in order to improve the stability of connecting the plurality of anode plate assemblies 2 to the anode conductive support 1, the anode structure further comprises a positioning strip 3, as shown in fig. 2, a positioning groove 30 is formed in the positioning strip 3, a plurality of positioning grooves 30 are formed, and one side part of each anode plate assembly 2 is clamped in the positioning groove 30; the positioning strips 3 are arranged in two, the two positioning strips 3 are respectively arranged on the front side and the rear side of the anode plate component 2, the two positioning strips 3 are respectively used for fixing the anode plate component 2 from the two sides, and the stability of the structure is further improved.
When electroplating is carried out, a battery piece is inserted between two adjacent anode plate assemblies 2, a first current is applied to the first anode conductive bracket 11, a second current is applied to the second anode conductive bracket 12, the front anode plate 221 which is conductive with the first anode conductive bracket 11 is used for electroplating one surface of the battery piece, and the back anode plate 222 which is conductive with the second anode conductive bracket 12 is used for electroplating the other surface of the battery piece, so that electroplating of different lines and different electroplating areas on the two surfaces of the battery piece is realized.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a solar wafer copper electrode electroplates positive pole structure, includes electrically conductive support of positive pole, a plurality of anode plate subassembly, and is a plurality of the anode plate subassembly set gradually and with the electrically conductive support electricity of positive pole connect, adjacent two the anode plate subassembly between form the battery piece and insert region, its characterized in that: the anode plate assembly comprises a mounting frame and an anode plate group, the anode plate group comprises a front anode plate and a back anode plate, the front anode plate and the back anode plate are respectively and independently arranged in the mounting frame and are electrically connected with the anode conductive support, one surfaces of the front anode plate and the back anode plate are opposite, and the other surfaces of the front anode plate and the back anode plate are provided with filtering membranes.
2. The solar cell copper electrode electroplating anode structure of claim 1, wherein: the anode conductive bracket comprises a first anode conductive bracket and a second anode conductive bracket, wherein the front anode plate is electrically connected with the first anode conductive bracket, and the back anode plate is electrically connected with the second anode conductive bracket.
3. The solar cell copper electrode electroplating anode structure of claim 2, wherein: the first anode conductive bracket and the second anode conductive bracket are respectively provided with a pair, and the pair of first anode conductive brackets is positioned between the pair of second anode conductive brackets.
4. The solar cell copper electrode electroplating anode structure according to claim 1 or 2, wherein: the anode conductive bracket is provided with a conductive connecting section, and a plurality of anode plate assemblies are sequentially arranged along the extending direction of the conductive connecting section and are electrically connected with the conductive connecting section.
5. The solar cell copper electrode electroplating anode structure according to claim 4, wherein the anode structure comprises: a plurality of positioning buckles are sleeved on the conductive connecting section; the front anode plate and the back anode plate are provided with conductive support legs extending out of the mounting frame, and the conductive support legs are inserted between the conductive connecting sections and the positioning buckles.
6. The solar cell copper electrode electroplating anode structure of claim 1, wherein: the installation frame include mounting panel, apron, the apron cover respectively and establish the relative both sides of mounting panel and form and set up the region, one side the mounting panel with the apron between set up regional setting the positive anode plate, the opposite side the mounting panel with the apron between set up regional setting the back anode plate.
7. The solar cell copper electrode electroplating anode structure of claim 6, wherein: the surface of the cover plate is provided with a plurality of through holes.
8. The solar cell copper electrode electroplating anode structure of claim 1, wherein: the anode structure also comprises a positioning strip, a plurality of positioning grooves are arranged on the positioning strip, and each anode plate component is partially clamped in the positioning grooves; the two sides of the anode plate component are respectively provided with the positioning strips.
9. The solar cell copper electrode electroplating anode structure of claim 1, wherein: a plurality of the anode plate assemblies are arranged in parallel.
10. The solar cell copper electrode electroplating anode structure of claim 1, wherein: the front anode plate and the back anode plate are titanium plates or titanium nets, and/or,
the filtering membrane is a PVDF membrane or a PTFE membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223167842.5U CN218561669U (en) | 2022-11-28 | 2022-11-28 | Electroplating anode structure for copper electrode of solar cell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223167842.5U CN218561669U (en) | 2022-11-28 | 2022-11-28 | Electroplating anode structure for copper electrode of solar cell |
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| CN218561669U true CN218561669U (en) | 2023-03-03 |
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| CN202223167842.5U Active CN218561669U (en) | 2022-11-28 | 2022-11-28 | Electroplating anode structure for copper electrode of solar cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116837446A (en) * | 2023-09-01 | 2023-10-03 | 无锡釜川科技股份有限公司 | Split electroplating device |
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2022
- 2022-11-28 CN CN202223167842.5U patent/CN218561669U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116837446A (en) * | 2023-09-01 | 2023-10-03 | 无锡釜川科技股份有限公司 | Split electroplating device |
| CN116837446B (en) * | 2023-09-01 | 2023-12-01 | 无锡釜川科技股份有限公司 | Split electroplating device |
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