CN202528560U - Electrode matching screen of solar cell in grid line complementation structure - Google Patents
Electrode matching screen of solar cell in grid line complementation structure Download PDFInfo
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- CN202528560U CN202528560U CN2011205448124U CN201120544812U CN202528560U CN 202528560 U CN202528560 U CN 202528560U CN 2011205448124 U CN2011205448124 U CN 2011205448124U CN 201120544812 U CN201120544812 U CN 201120544812U CN 202528560 U CN202528560 U CN 202528560U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses an electrode matching screen of a solar cell in a grid line complementation structure, comprising two matching screens that are a screen A and a screen B. The two matching screens have the same appearance and structure and equal number of grid lines, and are respectively provided with a mark distinguishing the two screens. The two matching screens are also respectively provided with a sign showing a direction. The two matching screens are equal in size. After an accurate aligning, the grid lines of the two screens can be completely overlapped, and bridged linkages in the fine grid lines are stagger. The electrode matching screen of a solar cell in a grid line complementation structure is advantageous in that with the special structure and based on a certain printing method, the electrode grid lines can be even and flat, and have a large aspect ratio; the problem of virtual printing can be resolved, and conversion efficiency of a solar cell can be improved.
Description
Technical field
The utility model belongs to the photovoltaic cell technical field, relates in particular to a kind of supporting web plate of electrode of solar battery of grid line complementary structure.
Background technology
Along with rapid economy development; The consumption of the energy is increasing; The storage capacity of non-renewable resources such as coal and oil reduces day by day, and this impels people to begin the continuous exploration to new forms of energy (like nuclear energy, solar energy, wind energy, biomass energy, geothermal energy, ocean energy, Hydrogen Energy etc.).Wherein, as the source of many energy on the earth, solar energy has occupied consequence in the research of new forms of energy, and solar cell is exactly a core representative of Application of Solar Energy.
The development of solar battery technology is more and more faster, though the traditional relatively forms of electricity generation such as firepower of its cost will exceed much at present, in the 21 century of advocating low-carbon economy energetically, the research of solar battery technology will be the key player in energy research field.The transformation efficiency that improves solar cell is a main target of present solar cell research; Except improvement, make the electrode of solar battery of excellent performance and take suitable printing process also can improve the transformation efficiency of battery cell substrate material chosen, substrate manufacture craft.
As the important step that crystal silicon cell is made, the printing quality of electrode of solar battery printing has very large influence to the performance of final battery sheet.Traditional battery electrode printing process is to adopt common web plate to carry out the one or many printing, and mainly there is following defect problem in it:
1, empty seal (being breakpoint) appears in one-step print easily, and the depth-width ratio of thin grid line is little;
Though 2, repeatedly printing can be avoided empty seal, thin grid line seriously broadens, and influence the battery illuminating area, and the result who repeatedly repeats print is thin grid line out-of-flatness, appearance " camel peak ".This kind repeatedly mode of printing not only cost is high, and do not bring corresponding benefit, be not suitable for the scale property production of enterprise;
3, high-accuracy web plate is impaired easily, the grid line easy fracture.
So it is to develop research that industry is needed the problem of solution badly, provides a kind of and make Printing screen rational in infrastructure and adopt corresponding suitable printing process to solve the problem that exists in the above-mentioned prior art.
The utility model content
For addressing the above problem, the purpose of the utility model is to provide a kind of supporting web plate of electrode of solar battery of grid line complementary structure.
For realizing above-mentioned purpose, the technical scheme of the utility model is:
The supporting web plate of a kind of electrode of solar battery of grid line complementary structure; Include two blocks of supporting web plates of web plate A and web plate B; Wherein this two supporting web plate surface structure is identical, has the grid line of similar number, and these two blocks of supporting web plates are provided with the sign of distinguishing two blocks of web plates; In addition, said two blocks of supporting web plates also are respectively arranged with the sign of sign direction, this two supporting web plate grid lines measure-alike, and after accurate contraposition, the grid line main body of two blocks of web plates can overlap fully, and carefully the bridged linkage in the grid line staggers each other.
Further, the thin grid line bridged linkage of said two blocks of supporting web plates is the splayed structure.
Further, the thin grid line bridged linkage of said two blocks of supporting web plates is a parallel construction.
Further, the sign of two blocks of web plates of said differentiation be located at the nonclient area of these two blocks of web plates respectively, fixedly on the silk screen or housing of web plate.
A kind of printing process of adopting the supporting web plate of electrode of solar battery of the utility model grid line complementary structure, it comprises the steps:
Web plate A, two blocks of web plates of web plate B are fixed on the printing machine according to correct locality;
Printed substrate is carried out the first impression, dry then;
The substrate that will pass through after the first impression and the oven dry carries out the second impression, dries then, sintering, thereby accomplishes printing process.
Further, said method also comprises the steps:
Said web plate A is fixed on the screen process press, with reference to the fixed-direction of web plate A, web plate B is fixed on another printing machine, wherein, when guaranteeing twice printing of substrate, thin grid line bridged linkage staggers each other; Printed substrate is carried out the first impression under web plate A, dry then; Again substrate is carried out the second impression under web plate B, dry, sintering, thereby accomplish printing.
Further, said method also comprises the steps:
Earlier web plate A is fixed on the screen process press; Printed substrate is carried out the first impression under web plate A, dry; With web plate A removal, with reference to the original fixed-direction of web plate A, web plate B is fixed on same the printing machine then, wherein, when guaranteeing twice printing of substrate, thin grid line bridged linkage staggers each other; Substrate is carried out the second impression under web plate B, dry then, sintering, thereby accomplish printing.
Because the special construction of the supporting web plate of electrode of solar battery of the utility model grid line complementary structure; According to printing process to the utility model; The thin grid line of the first impression rear electrode traditional printing mode can occur and demonstrate " camel peak "; But after the second impression, " camel peak " disappears.The gate electrode line that obtains after twice printing is evenly smooth, and depth-width ratio is big, has solved empty seal problem, can improve the transformation efficiency of solar cell.In addition owing to be to be divided into twice staggered form printing, be not very high relatively for the requirement of single printing, can be in practical application size through increasing the grid line bridging increasing the life-span of web plate, and do not influence the web plate performance.
Description of drawings
Fig. 1 is the overall structure figure of the web plate A of the utility model;
Fig. 2 is the overall structure figure of the web plate B of the utility model;
Fig. 3 is among the utility model one embodiment, the enlarged diagram of a1 part among the web plate A shown in Figure 1;
Fig. 4 is among the utility model one embodiment, among the web plate B shown in Figure 2 corresponding to the enlarged diagram of the b1 part of a1 part among the web plate A;
Fig. 5 is among the utility model one embodiment, the enlarged diagram that the b1 part overlaps after accurate contraposition among a1 part and the web plate B shown in Figure 2 among the web plate A shown in Figure 1;
Fig. 6 is among another embodiment of the utility model, the enlarged diagram of a1 part among the web plate A shown in Figure 1;
Fig. 7 is among another embodiment of the utility model, among the web plate B shown in Figure 2 corresponding to the enlarged diagram of the b1 part of a1 part among the web plate A;
Fig. 8 is among another embodiment of the utility model, the enlarged diagram that the b1 part overlaps after accurate contraposition among a1 part and the web plate B shown in Figure 2 among the web plate A shown in Figure 1;
Fig. 9 is the longitdinal cross-section diagram of thin grid line after the first impression;
Figure 10 is the longitdinal cross-section diagram of thin grid line after the second impression.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The supporting web plate of electrode of solar battery of a kind of grid line complementary structure of the utility model, it includes two blocks of supporting web plates, and this two supporting web plate surface structure is identical, has the grid line of similar number.The nonclient area of said these two blocks of web plate web plates, fixedly silk screen or the housing of web plate are provided with the sign of distinguishing two blocks of web plates, and in addition, said two blocks of web plates also are provided with the sign of sign direction.Said two web plate grid lines measure-alike, and after accurate contraposition, the grid line main body of two blocks of web plates can overlap fully.Bridged linkage in these two thin grid lines of web plate has different arrangement modes so that when two blocks of web plates after accurately the location overlaps, the bridged linkage in the thin grid line staggers each other.
To the printing process of the supporting web plate of electrode of solar battery of the utility model grid line complementary structure, it comprises the steps:
Two blocks of web plates are fixed on the printing machine according to correct locality;
Printed substrate is carried out the first impression, dry then;
The substrate that will pass through after the first impression and the oven dry carries out the second impression, dries then, sintering, thereby accomplishes printing process.In the actual application, can repeatedly print as requested,, and can bring the raising of corresponding battery transformation efficiency the time, can repeatedly print promptly when needing further to improve the grid line height.
Embodiment as the utility model; Please with reference to Fig. 1-shown in Figure 5; The supporting web plate of electrode of solar battery of the utility model grid line complementary structure includes two blocks of supporting web plates, is respectively web plate A and web plate B, like Fig. 1, shown in Figure 2; Fig. 1 is the overall structure figure of web plate A, and Fig. 2 is the overall structure figure of web plate B.Wherein, the surface structure of two blocks of web plates is identical, has the grid line of similar number.Said two blocks of web plates have A, B printed words in the last sign of identical position a2, b2, can be with it as the signs of distinguishing two blocks of web plates, and can use its sign as fixing supporting web plate direction.Said A, two web plate grid lines of B measure-alike, as shown in Figure 3, Fig. 3 are the enlarged diagram of a1 part among the web plate A shown in Figure 1, and its thin grid line bridged linkage a11 is the splayed structure; As shown in Figure 4, Fig. 4 be among the web plate B shown in Figure 2 corresponding to the enlarged diagram of the b1 part of a1 part among the web plate A, its thin grid line bridged linkage b11 is the splayed structure.As shown in Figure 5; The enlarged diagram that Fig. 5 overlaps after accurate contraposition for b1 part among a1 part among the web plate A shown in Figure 1 and the web plate B shown in Figure 2; After accurate contraposition; The grid line main body of two blocks of web plates can overlap fully, and among the web plate A among the bridged linkage a11 in the thin grid line and the web plate B bridged linkage b11 in the thin grid line stagger formation grid line complementary structure each other.When the supporting web plate of electrode of solar battery of the grid line complementary structure in the employing present embodiment prints, earlier said web plate A is fixed on the screen process press; With reference to the fixed-direction of web plate A, web plate B is fixed on another printing machine, wherein, when guaranteeing twice printing of substrate, thin grid line bridged linkage staggers each other; Printed substrate is carried out the first impression under web plate A, dry then; Again substrate is carried out the second impression under web plate B, dry, sintering, thereby accomplish printing.As shown in Figure 9, Fig. 9 is the longitdinal cross-section diagram of thin grid line behind the one-step print, and the appearance at " camel peak " is arranged after the first impression; Shown in figure 10, Figure 10 is the longitdinal cross-section diagram of thin grid line after the second impression, after the second impression; " camel peak " disappears, and the gate electrode line that obtains after twice printing is evenly smooth, and depth-width ratio is big; Simultaneously also solve empty seal problem, can improve the transformation efficiency of solar cell.
As another embodiment of the utility model, please with reference to Fig. 1, Fig. 2 and Fig. 6-shown in Figure 8.The supporting web plate of electrode of solar battery of the utility model grid line complementary structure includes two blocks of supporting web plates, is respectively web plate A and web plate B, and wherein the surface structure of two blocks of web plates is identical, has the grid line of similar number.Said two blocks of web plates are marked with A, B printed words at identical position a2, b2, with as the sign of distinguishing two blocks of web plates, simultaneously, also can be used as the sign of fixing supporting web plate direction.Said A, two web plate grid lines of B measure-alike.As shown in Figure 6, Fig. 6 is the enlarged diagram of a1 part in the A web plate shown in Figure 1, and its thin grid line bridged linkage a12 is parallel construction perpendicular to thin grid line main body; As shown in Figure 7, Fig. 7 be in the B web plate shown in Figure 2 corresponding to the enlarged diagram of the b1 part of a1 part in the A web plate, its thin grid line bridged linkage b12 is parallel construction perpendicular to thin grid line main body.As shown in Figure 8; The enlarged diagram that Fig. 8 overlaps after accurate contraposition for b1 part in a1 part in the A web plate shown in Figure 1 and the B web plate shown in Figure 2; After accurate contraposition; The grid line main body of two blocks of web plates can overlap fully, and in the A web plate in the bridged linkage a12 in the thin grid line and the B web plate bridged linkage b12 in the thin grid line stagger formation grid line complementary structure each other.When the supporting web plate of electrode of solar battery of the grid line complementary structure in the employing present embodiment prints, earlier said A web plate is fixed on the screen process press; Printed substrate is carried out the first impression under the A web plate, dry; With A web plate removal, with reference to the original fixed-direction of A web plate, the B web plate is fixed on same the printing machine then, wherein, when guaranteeing twice printing of substrate, thin grid line bridged linkage staggers each other; Substrate is carried out the second impression under the B web plate, dry then, sintering, thereby accomplish printing.As shown in Figure 9, Fig. 9 is the longitdinal cross-section diagram of thin grid line behind the one-step print, and the appearance at " camel peak " is arranged after the first impression; Shown in figure 10, Figure 10 is the longitdinal cross-section diagram of thin grid line after the second impression, after the second impression; " camel peak " disappears, and the gate electrode line that obtains after twice printing is evenly smooth, and depth-width ratio is big; Simultaneously also solve empty seal problem, can improve the transformation efficiency of solar cell.
Because the special construction of the supporting web plate of electrode of solar battery of the utility model grid line complementary structure; According to printing process to the utility model; The thin grid line of the first impression rear electrode traditional printing mode can occur and demonstrate " camel peak "; But after the second impression, " camel peak " disappears.The gate electrode line that obtains after twice printing is evenly smooth, and depth-width ratio is big, has solved empty seal problem, can improve the transformation efficiency of solar cell.In addition owing to be to be divided into twice staggered form printing, be not very high relatively for the requirement of single printing, can be in practical application size through increasing the grid line bridging increasing the life-span of web plate, and do not influence the web plate performance.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (4)
1. the supporting web plate of the electrode of solar battery of a grid line complementary structure; Include two blocks of supporting web plates of web plate A and web plate B; It is characterized in that: this two supporting web plate surface structure is identical, has the grid line of similar number, and these two blocks of supporting web plates are provided with the sign of distinguishing two blocks of web plates; In addition, said two blocks of supporting web plates also are respectively arranged with the sign of sign direction, this two supporting web plate grid lines measure-alike, and after accurate contraposition, the grid line main body of two blocks of web plates can overlap fully, and carefully the bridged linkage in the grid line staggers each other.
2. the supporting web plate of the electrode of solar battery of grid line complementary structure as claimed in claim 1 is characterized in that: the thin grid line bridged linkage of said two blocks of supporting web plates is the splayed structure.
3. the supporting web plate of the electrode of solar battery of grid line complementary structure as claimed in claim 1 is characterized in that: the thin grid line bridged linkage of said two blocks of supporting web plates is a parallel construction.
4. like the supporting web plate of electrode of solar battery of claim 2 or 3 described grid line complementary structures, it is characterized in that: the sign of two blocks of web plates of said differentiation is located at the nonclient area of these two blocks of web plates respectively, fixedly on the silk screen or housing of web plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205448124U CN202528560U (en) | 2011-12-23 | 2011-12-23 | Electrode matching screen of solar cell in grid line complementation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205448124U CN202528560U (en) | 2011-12-23 | 2011-12-23 | Electrode matching screen of solar cell in grid line complementation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202528560U true CN202528560U (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205448124U Withdrawn - After Issue CN202528560U (en) | 2011-12-23 | 2011-12-23 | Electrode matching screen of solar cell in grid line complementation structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN202528560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171257A (en) * | 2011-12-23 | 2013-06-26 | 昆山允升吉光电科技有限公司 | Solar cell electrode AB screen board in grid line complementary structure and printing method thereof |
-
2011
- 2011-12-23 CN CN2011205448124U patent/CN202528560U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171257A (en) * | 2011-12-23 | 2013-06-26 | 昆山允升吉光电科技有限公司 | Solar cell electrode AB screen board in grid line complementary structure and printing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121114 Effective date of abandoning: 20150610 |
|
| RGAV | Abandon patent right to avoid regrant |