CN207669966U - A kind of solar silicon chip battery electrode print web plate - Google Patents

A kind of solar silicon chip battery electrode print web plate Download PDF

Info

Publication number
CN207669966U
CN207669966U CN201721865895.0U CN201721865895U CN207669966U CN 207669966 U CN207669966 U CN 207669966U CN 201721865895 U CN201721865895 U CN 201721865895U CN 207669966 U CN207669966 U CN 207669966U
Authority
CN
China
Prior art keywords
printing screen
feeding zone
electrode feeding
printing
electrode
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.)
Active
Application number
CN201721865895.0U
Other languages
Chinese (zh)
Inventor
谢毅
龚举明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tongwei Solar Chengdu Co Ltd
Original Assignee
Tongwei Solar Chengdu Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tongwei Solar Chengdu Co Ltd filed Critical Tongwei Solar Chengdu Co Ltd
Priority to CN201721865895.0U priority Critical patent/CN207669966U/en
Application granted granted Critical
Publication of CN207669966U publication Critical patent/CN207669966U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

The utility model discloses a kind of solar silicon chip battery electrode print web plates comprising:First Printing screen and the second Printing screen, there are two location holes for the diagonal upper setting of first Printing screen, orthogonal bus electrode feeding zone and the first finger electrode feeding zone are provided on first Printing screen, wherein, be provided on first bus electrode feeding zone conductive silver paste can not by array point, first finger electrode feeding zone is provided with the first bridged linkage, position identical with the first Printing screen is also provided with identical location hole on the second Printing screen, it is provided on second Printing screen and quantity on the first Printing screen, shape, size identical second finger electrode feeding zone, wherein the second finger electrode feeding zone is provided with the second bridged linkage.The utility model can reach preferably electrically with solar energy conversion ratio, reduce the probability that falls off of electrode, and realize fast accurate positioning printing.

Description

A kind of solar silicon chip battery electrode print web plate
Technical field
The utility model is related to solar energy Printing screens, and in particular to a kind of solar silicon chip battery electrode print web plate.
Background technology
In recent years, due to environmental problem getting worse, many countries start to develop new green energy resource, and it is dirty to reduce environment Dye.Solar energy is also utilized by people as a kind of clean energy resource, and solar cell can convert the luminous energy of the sun to electric energy, And this conversion not will produce any pollution, therefore the related application of solar cell is gradually taken seriously.
The electrode structure of solar cell includes an annular electrode, a plurality of bus electrode and a plurality of finger electrode, wherein Bus electrode and finger electrode are vertical, and the quantity of bus electrode is generally two to three, and the quantity of finger electrode is tens of Item.Finger electrode generates electrons or holes by photoelectric effect, and electrons or holes are transmitted to outside by bus electrode On electric storage device, this requires the width of finger electrode is more thinner better, the higher the better for slurry, and bus electrode need not be very high Slurry thickness.In the prior art, the feeding zone of bus electrode is often both included on Printing screen, also includes the blanking of finger electrode Area causes when repeatedly being printed to solar silicon wafers, cannot selectively only be printed to finger electrode, lead to bus electrode Slurry thickness as finger electrode, cause wastage of material.Although also having to finger electrode and bus electrode in the prior art The Printing screen separately printed, but the feeding zone of finger electrode and bus electrode is not provided with special structure, to ensure The smooth of lines is printed, finger electrode is be easy to cause and bus electrode lines falls off, relaxes, not only affect the performance of battery, And service life is shorter.
Invention content
The purpose of this utility model is that:It solves in the prior art, it cannot be when increasing the slurry thickness of finger electrode, no Change bus electrode slurry thickness, cause wastage of material, on the other hand, separately prints finger electrode and bus electrode causes lines Out-of-flatness is easy to fall off, and battery performance is not high, service life shorter problem.
The utility model provides a kind of solar silicon chip battery electrode print web plate, using two bar printing web plates to the sun Energy silicon chip battery is printed, and is provided with special structure in finger electrode feeding zone and is ensured to print the flat of lines twice It is whole, and be provided with conductive silver paste in bus electrode feeding zone and prevent the array point passed through, bus electrode lines can not only be prevented It falls off, also further saves raw material.
The technical solution adopted in the utility model is as follows:
A kind of solar silicon chip battery electrode print web plate, including:
First Printing screen is provided with orthogonal bus electrode feeding zone and first on first Printing screen Finger electrode feeding zone, wherein be provided on the bus electrode feeding zone conductive silver paste can not by array point, described One finger electrode feeding zone is provided with the first bridged linkage;
The second Printing screen identical with the first Printing screen shape size, is provided on the second Printing screen and first refers to Shape Tai Ji feeding zone shape, size, quantity and position identical second finger electrode feeding zone, wherein the second electrode is fallen Material area is provided with the second bridged linkage.
Optionally, the shape of the array point is round or polygon.
Optionally, an annular electrode feeding zone, annular electrode blanking position are provided on first Printing screen In bus electrode feeding zone and the first finger electrode feeding zone periphery.
Optionally, first bridged linkage and the equal Figure of eight structure of second bridged linkage, and first bridging connects Structure is mutually staggered with second bridged linkage.
Optionally, first Printing screen it is diagonal on be respectively set that there are one location holes, in second printing net Position identical with the first Printing screen is also equipped with identical location hole, and location hole and the positioning convex platform on print station on plate Agree with.
Optionally, different location holes is respectively with different color marks, and on the first Printing screen with the second printing net Location hole color in plate same position is identical.
In conclusion by adopting the above-described technical solution, the useful effect of the utility model is:
1. the utility model prints solar silicon chip battery using two bar printing web plates, can to finger electrode into Row selectively printing realizes and is ensureing that the slurry thickness of bus electrode is not increased, increases the slurry of finger electrode Expect thickness, improves the solar energy conversion ratio of battery, and save more raw materials, reduce cost.
2. due in the bus electrode feeding zone of the first Printing screen be provided with conductive silver paste can not by array point, It can not only ensure the unimpeded of bus electrode and finger electrode, also further save raw material, and can weaken sintered The stress that electrode is generated from solar silicon wafers surface since the coefficient of expansion is different makes bus electrode and solar silicon wafers combine more Step up close, avoids bus electrode lines from falling off, relax, improve battery performance, increase battery life.
3. in the present invention, being provided with the first bridged linkage on the first Printing screen, it is arranged on the second Printing screen There is the second bridged linkage, and the first bridged linkage and the second bridged linkage are mutually staggered, form complementary structure, ensures finger electrode The planarization of lines avoids hump on lines or occurs the case where recess, improves the performance of battery.
4. due to being all provided with location hole on the corresponding position of the second Printing screen and the first Printing screen, the ensure that The registration of one-step print and the second printing avoids the width that finger electrode has been widened in the second printing.
5. since different location holes is marked with different colors, make location hole that can not only ensure to print twice It is precisely coincident, print direction also is marked for the second Printing screen, prevent from being inverted the second Printing screen when the second printing.
Description of the drawings
The utility model will illustrate by example and with reference to the appended drawing, wherein:
Fig. 1 is the structural schematic diagram of the first Printing screen in the embodiment of the present application;
Fig. 2 is the structural schematic diagram of the second Printing screen in the embodiment of the present application;
Fig. 3 is the enlarged diagram of a-quadrant in Fig. 1;
Fig. 4 is the enlarged diagram of B area in Fig. 2;
Fig. 5 is the amplification signal after a-quadrant and B area overlapping;
Fig. 6 is location structure schematic diagram in the embodiment of the present application.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive Feature and/or step other than, can combine in any way.
This application provides a kind of solar silicon chip battery electrode print web plates, including:
First Printing screen 101 is provided with orthogonal bus electrode feeding zone on first Printing screen 101 103 and the first finger electrode feeding zone 104, wherein being provided with conductive silver paste on the bus electrode feeding zone 103 can not pass through Array point 105, first finger electrode feeding zone 104 is provided with the first bridged linkage a;
The second Printing screen 201 identical with 101 shape size of the first Printing screen is arranged on the second Printing screen 201 Have with 103 shape of the first finger electrode feeding zone, size, quantity and position identical second finger electrode feeding zone 202, In, the second electrode feeding zone 202 is provided with the second bridged linkage b.
As shown in Figure 1, the embodiment of the present application provides the structure chart of the first Printing screen 101, in the first Printing screen 101 On, it is provided with 103 and first finger electrode feeding zone 104 of orthogonal bus electrode feeding zone.In order to ensure after printing too Positive energy silicon chip battery is not in the phenomenon that bus electrode falls off, relaxes in sintering, is arranged on bus electrode feeding zone 103 Conductive silver paste can not by array point 105, provide space for bus electrode track, ensure that lines and solar power silicon It combines closely on piece surface.It is additionally provided with first coordinated with the second Printing screen in the first finger electrode feeding zone 104 Bridged linkage.
As shown in Fig. 2, the embodiment of the present application also provides the structure chart of the second Printing screen 201, in order to ensure to print twice The repeatability of brush needs the shape size for ensureing the second Printing screen 201 and the first Printing screen 101 consistent, this is also convenient for The positioning printed twice below.On the second Printing screen 201, it is provided with and 103 shape of the first finger electrode feeding zone, big Small, quantity identical second finger electrode feeding zone 202, due to being only provided with the second finger-like electricity on the second Printing screen 201 Pole feeding zone 202, the not no feeding zone of bus electrode, so ensure that the slurry for not increasing bus electrode in the second printing Thickness.And the second bridged linkage coordinated with the first Printing screen is provided on the second finger electrode feeding zone 202.
The utility model use process is as follows:
The first printing is carried out first, solar silicon chip battery is printed with the first Printing screen 101, silver paste passes through Bus electrode feeding zone 103 on the first Printing screen 101 and the first finger electrode feeding zone 104, the first printing are set Later, the first printing of the printing and finger electrode of bus electrode is completed on solar silicon chip battery, and in confluence electricity Array point 105 is left on extremely and forms gap, and the texture that the first bridged linkage a is formed is left on finger electrode;Then second is carried out Secondary printing prints solar silicon chip battery with the second Printing screen 201, is only arranged on the second Printing screen 201 Second finger electrode feeding zone 202, due to second finger electrode feeding zone 202 and the first finger electrode feeding zone 104 Shape, size, quantity and position are identical, can complete the increase to the slurry thickness of finger electrode, and in the second finger-like electricity It is provided with the second bridged linkage b on pole feeding zone 2022, make the lines after the second printing on finger electrode and prints for the first time Lines after brush on finger electrode is complementary, makes the smooth smoothness of finger electrode lines.
Further, since in the embodiment of the present application, the array point 105 on bus electrode feeding zone 103 is used for the purpose of Ensure combining closely for lines and solar silicon wafers surface, and save slurry, so public in the embodiment of the present application do not limit row The shape of the shape of lattice point, the array point 105 can be round or polygon.
Further, it in order to ensure the integrality to print electrode, is provided on first Printing screen of the embodiment of the present application Annular electrode feeding zone 102, the annular electrode feeding zone 102 are located at bus electrode 103 and the first finger electrode feeding zone 104 Periphery.
Further, since the first bridged linkage a and the second bridged linkage b are in order to keep finger electrode lines smooth, originally Application embodiment provides the specific schematic diagram of the first bridged linkage a and the second bridged linkage b, as shown in Figure 3 and Figure 4 respectively.
Fig. 3 is the enlarged diagram of a-quadrant in the first Printing screen of the embodiment of the present application 101, and Fig. 4 is the embodiment of the present application The enlarged diagram of B area in second Printing screen 201, it can be seen that the first bridged linkage a and the second bridged linkage b is eight Word structure, and the first bridged linkage a and the second bridged linkage b are mutually staggered, figure after two structures overlappings as shown in figure 5, It is possible thereby to ensure the planarization of lines, the performance of battery is promoted.
Further, since the first printing and the second printing are required for printing finger electrode, so needing Ensure that the finger electrode feeding zone printed twice overlaps, avoids the lines for causing finger electrode in the second printing from broadening, institute There are one location holes to be respectively set on diagonal in the first Printing screen 101, on the second Printing screen 201 with the first printing 101 identical position of web plate also this there was only identical location hole, and location hole agrees with the positioning convex platform on print station, reaches two The registration of secondary printing.
As shown in fig. 6, the embodiment of the present application by taking the first Printing screen as an example, provides location structure schematic diagram, it can by figure Know, when carrying out the first printing with the first Printing screen 101, the location hole 106 on diagonal line and the boss on positioning table 601 602 agree with, and carrying out position to the first Printing screen 101 fixes, and when carrying out the second printing, is printed in the same way to second Brush web plate 201 is fixed, it is ensured that the coincidence printed twice.
Further, since the first bridged linkage a and the second bridged linkage b are mutually staggered, in order to ensure to print at second When brush, the second Printing screen 201 will not be inverted, cause the printing of bridged linkage twice can not be complementary, it is smooth to reach lines Effect, different location holes is respectively with different color marks in the embodiment of the present application, and with second on the first Printing screen 101 Location hole color in 201 same position of Printing screen is identical.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique Personage can understand the content of the utility model and be implemented, the scope of protection of the utility model can not be limited with this, It is all according to equivalent change or modification made by the spirit of the present invention spirit, should all cover the protection model in the utility model In enclosing.

Claims (6)

1. a kind of solar silicon chip battery electrode print web plate, including:
First Printing screen (101) is provided with orthogonal bus electrode feeding zone on first Printing screen (101) (103) and the first finger electrode feeding zone (104), wherein conductive silver paste resistance is provided on the bus electrode feeding zone (103) The array point (105) only passed through, first finger electrode feeding zone (104) are provided with the first bridged linkage (a);
The second Printing screen (201) identical with the first Printing screen (101) shape size, the second Printing screen are set on (201) It is equipped with and first finger electrode feeding zone (103) shape, size, quantity and position identical second finger electrode feeding zone (202), wherein the second electrode feeding zone (202) is provided with the second bridged linkage (b).
2. solar silicon chip battery electrode print web plate according to claim 1, which is characterized in that the array point (105) shape is round or polygon.
3. solar silicon chip battery electrode print web plate according to claim 1, which is characterized in that first printing net An annular electrode feeding zone (102) is provided on plate, the annular electrode feeding zone is located at bus electrode feeding zone (103) and One finger electrode feeding zone (104) periphery.
4. solar silicon chip battery electrode print web plate according to claim 1, which is characterized in that the first bridging knot Structure (a) and second bridged linkage (b) Figure of eight structure, and the first bridge connection structure (a) and the second bridging knot Structure (b) mutually staggers.
5. solar silicon chip battery electrode print web plate according to claim 1, which is characterized in that first printing net Plate (101) it is diagonal on be respectively set there are one location hole, on second Printing screen (201) with the first Printing screen (101) identical position is also equipped with identical location hole, and location hole agrees with the positioning convex platform (602) on print station.
6. solar silicon chip battery electrode print web plate according to claim 5, which is characterized in that different location hole point Not with different color marks, and on the first Printing screen (101) with the location hole in the second Printing screen (201) same position Color is identical.
CN201721865895.0U 2017-12-27 2017-12-27 A kind of solar silicon chip battery electrode print web plate Active CN207669966U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721865895.0U CN207669966U (en) 2017-12-27 2017-12-27 A kind of solar silicon chip battery electrode print web plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721865895.0U CN207669966U (en) 2017-12-27 2017-12-27 A kind of solar silicon chip battery electrode print web plate

Publications (1)

Publication Number Publication Date
CN207669966U true CN207669966U (en) 2018-07-31

Family

ID=62971902

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721865895.0U Active CN207669966U (en) 2017-12-27 2017-12-27 A kind of solar silicon chip battery electrode print web plate

Country Status (1)

Country Link
CN (1) CN207669966U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021206056A1 (en) * 2020-04-06 2021-10-14 株式会社カネカ Semiconductor element and method for producing semiconductor element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021206056A1 (en) * 2020-04-06 2021-10-14 株式会社カネカ Semiconductor element and method for producing semiconductor element

Similar Documents

Publication Publication Date Title
CN102184973B (en) Positive electrode structure of solar battery plate
CN103840017B (en) A kind of Graphene silica-based solar cell and manufacture method thereof
CN101609848B (en) Front and back surface electrodes of screen printing crystalline silicon solar cell and manufacturing method thereof
CN201859886U (en) Solar battery, screen and solar battery component thereof
CN101826569A (en) Solar cell, screen printing plate and solar cell module thereof
CN101656276A (en) Method for preparing crystalline silicon solar battery electrode by utilizing overprinting way
CN202434534U (en) Solar battery plate and corresponding electrode printing screen thereof
CN202076274U (en) Four-'hui' type positive electrode structure for solar battery
CN102825933A (en) Screen printing method for solar cell, solar cell and preparation method for solar cell
EP2413370A2 (en) Solar cell and electrode structure therefor
CN207669966U (en) A kind of solar silicon chip battery electrode print web plate
CN203192805U (en) Sectional SE etching-mask solar-cell positive-electrode structure
CN202523721U (en) Positive grid line electrode structure of improved crystalline silicon cell
CN202957255U (en) Solar cell positive electrode structure
CN102963115A (en) Solar cell and printing silk screen thereof
CN105564065A (en) N-type solar energy cell secondary silk-screen printing method
CN204109533U (en) A kind of aluminium back surface field half tone
CN203085565U (en) Novel solar battery positive electrode
CN103192619B (en) A kind of printing process of solar battery sheet
CN205970344U (en) Print two net half tone equipment of no main grid battery piece front electrode
CN202716538U (en) Printing solar cell electrode screen printing plate
CN203225273U (en) Segmented paraffin mask structure
CN202231019U (en) Tri-gate electrode of solar cell
CN104960322A (en) Crystalline silicon solar cell positive electrode preparation device
CN204577434U (en) A kind of solar cell

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant