CN208422926U - Solar battery sheet front electrode - Google Patents
Solar battery sheet front electrode Download PDFInfo
- Publication number
- CN208422926U CN208422926U CN201820658437.8U CN201820658437U CN208422926U CN 208422926 U CN208422926 U CN 208422926U CN 201820658437 U CN201820658437 U CN 201820658437U CN 208422926 U CN208422926 U CN 208422926U
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- China
- Prior art keywords
- grid line
- line
- main gate
- frame
- solar battery
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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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- 238000007639 printing Methods 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000002002 slurry Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000593 degrading effect Effects 0.000 description 2
- 235000011266 Passiflora quadrangularis Nutrition 0.000 description 1
- 244000179684 Passiflora quadrangularis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000010959 steel Substances 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
Abstract
A kind of solar battery sheet front electrode is provided in the utility model embodiment, the solar battery sheet front electrode includes: frame, a plurality of main gate line, a plurality of thin grid line and a plurality of anti-breaking grid line, wherein: a plurality of main gate line is arranged in parallel in frame, and two opposite side frame lines of frame and a plurality of main gate line are arranged side by side；A plurality of thin grid line is arranged in parallel in frame, is intersected with a plurality of main gate line, and anti-breaking grid line is set in a plurality of thin grid line between at least one set of adjacent two thin grid line, is connected with two thin grid line；At least one anti-breaking grid line and/or at least one liang of opposite side frame line are curve or broken line.Front electrode in the present embodiment, it can be around the crossover node of the warp and weft occurred in halftone manufacturing process, it reduces anti-breaking grid line and two opposite side frame lines occurs printing undesirable probability, effectively cell piece can also be avoided to degrade while guaranteeing that cell piece appearance is good, significantly improve cell piece production yield.
Description
Technical field
The utility model relates to solar battery sheets to manufacture field, more particularly to a kind of solar battery sheet front
Electrode.
Background technique
In photovoltaic industry, front electrode electrocondution slurry is to improve the critical material of photoelectric conversion efficiency of the solar battery, often
Year can assist battery efficiency to promote 0.2% or so.Silk-screen printing technique is easy control due to technology maturation, simple process and precision
System, is widely used in forming the front electrode of solar cell.With narrowing for the thin grid line opening that prints electrode, due to traditional grenadine
The intrinsic defect of halftone (oblique stretching), net knot to block drawback more obvious, ultra-fine grid printing and thin grid line certainly will be will affect
Be open the trend being further narrow as, so photovoltaic industry is further strong for the demand without net netting version.Refer to without net netting version
Net knot is not present in thin grid line open area, i.e., avoids conventional 30 degree/22.5 degree net knots thrown the net, makes thin grid line opening interior only
There is the steel wire perpendicular to secondary grid line.Application without net netting platemaking technology, so that the printing of solar battery sheet front electrode printing
Plastotype requires more stringent.
Although saving printing currently, thin grid line opening can be made to narrow without the front electrode in net netting platemaking technology
Slurry, but since the grid line in printing electrode is linear type, and grid line opening is relatively narrow, the electrode of this design is in screen painting
Although in the process can be shielded to avoid thin grid opening, easily there is frame line and anti-breaking grid line prints undesirable ask
Topic: being that requirement is vertical, but actual fabrication is in the process due to technique essence without netting version is netted during arranging radial line and weft
The reason of spending will appear partial intersection node in the position of the frame line for being parallel to main gate line line and the anti-breaking grid line of thin grid, so that
There is the poor problem of printing effect in corresponding frame line and anti-breaking grid line.This frame line and anti-breaking grid line printing effect are owed
Good front electrode not only has large effect to the appearance of cell piece, also will cause the decline of cell piece grade.
Utility model content
A kind of solar battery sheet front electrode is provided in the utility model embodiment, to improve cell piece appearance,
Prevent cell piece from degrading, the solar battery sheet front electrode includes: frame, a plurality of main gate line, a plurality of thin grid line and a plurality of
Anti-breaking grid line, in which:
A plurality of main gate line is arranged in parallel in frame, and two opposite side frame lines of frame and a plurality of main gate line are arranged side by side；
A plurality of thin grid line is arranged in parallel in frame, is intersected with a plurality of main gate line, and anti-breaking grid line is set to a plurality of thin grid line
Between the adjacent two thin grid line of middle at least one set, it is connected with two thin grid line；
At least one anti-breaking grid line and/or at least one liang of opposite side frame line are curve or broken line.
In one embodiment, the anti-breaking grid line and two opposite side frame lines are wavy broken line.
In one embodiment, the dog-ear of the wavy broken line is greater than or equal to 60 ° and less than 180 °.
In one embodiment, the dog-ear is hexagonal angle.
In one embodiment, the anti-breaking grid line is set to adjacent two main gate lines center.
In one embodiment, the main gate line is segmented main gate line.
In one embodiment, a plurality of main gate line intersects vertically with a plurality of thin grid line.
The solar battery sheet front electrode provided in the utility model embodiment, a plurality of main gate line and a plurality of thin grid
Line is all set in frame, parallel to each other between a plurality of main gate line, parallel to each other between a plurality of thin grid line, a plurality of thin grid line and more
The intersection of main gate line；Two opposite side frame lines of frame and a plurality of main gate line are arranged side by side, in anti-breaking grid line and a plurality of thin grid line extremely
Few thin grid line of one group of adjacent two is connected, at least one anti-breaking grid line and/or at least one liang of opposite side frame line be curve or
Broken line.Front electrode in the present embodiment, can be around the crossover node of the warp and weft occurred in halftone manufacturing process, drop
Low anti-breaking grid line and two opposite side frame lines occur printing undesirable probability, can be with while guaranteeing that cell piece appearance is good
Effectively cell piece is avoided to degrade, significantly improves cell piece production yield.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or the prior art.Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of solar battery sheet front electrode in the utility model embodiment；
Fig. 2 is the structural schematic diagram of two opposite side frame lines in the utility model embodiment；
Fig. 3 is the structural schematic diagram of anti-breaking grid line in the utility model embodiment.
Specific embodiment
It is right with reference to the accompanying drawing for the objectives, technical solutions, and advantages of the embodiments of the present invention are more clearly understood
The utility model embodiment is described in further details.Here, the illustrative embodiments and their description of the utility model are for solving
The utility model is released, but is not intended to limit the scope of the present invention.
As shown in Figure 1, Figure 2 and Figure 3, a kind of solar battery sheet front electrode is provided in the utility model embodiment,
To improve cell piece appearance, prevent cell piece from degrading, the solar battery sheet front electrode includes: frame 101, a plurality of master
Grid line 102, a plurality of thin grid line 104 and a plurality of anti-breaking grid line 105, in which:
A plurality of main gate line 102 is arranged in parallel in frame 101, two opposite side frame lines 103 of frame 101 and a plurality of main grid
Line 102 is arranged side by side；
A plurality of thin grid line 104 is arranged in parallel in frame, is intersected with a plurality of main gate line 102, and anti-breaking grid line 105 is set to more
In the thin grid line 104 of item between at least one set of adjacent two thin grid line 104, it is connected with two thin grid line 104；
At least one anti-breaking grid line 105 and/or at least one liang of opposite side frame line 103 are meander line.
The working principle of solar battery sheet front electrode in the utility model embodiment are as follows: by least one anti-breaking grid line
105 and/or at least one liang of opposite side frame line 103 be set as curve or broken line；When printing front electrode, curve or folding
Line can effectively avoid the crossover node 203 formed without net netting version middle longitude 201 and weft 202, avoid because of crossover node
203 protrusion impacts the printing moulding of anti-breaking grid line 105 and two opposite side frame lines 103.
In implementation, since anti-breaking grid line 105 is to play the role of connecting adjacent thin grid line 104 when thin grid line 104 is broken
, thus when anti-breaking grid line 105 is arranged, a plurality of thin grid line 104 can be grouped, a plurality of thin grid line 104 can be two-by-two
One group of setting, i.e., adjacent two thin grid line 104 are set as one group, and anti-breaking grid line 105 is set to two thin grid line 104 in group
Between.
In one embodiment, the setting of the anti-breaking grid line 105 and two opposite side frame lines, 103 shape can there are many implement
Scheme.For example, as shown in Figure 2 and Figure 3, anti-breaking grid line 105 and two opposite side frame lines 103 can be a variety of complications of straight line
Line saves printing slurry for 103 beautiful shape of anti-breaking grid line 105 and two opposite side frame lines, and can effectively avoid in halftone
The crossover node 203 of warp 201 and weft 202, the anti-breaking grid line 105 and two opposite side frame lines 103 can be for dog-ears
Wavy broken line.For another example since smooth wavy curve shape is beautiful, and equally can to avoid with crossover node 203
Overlapping, the anti-breaking grid line 105 and two opposite side frame lines 103 can also be wavy curve.
In one embodiment, the setting of the dog-ear angle of the wavy broken line can be there are many embodiment.For example, such as
Shown in Fig. 2, Fig. 3, in order to further enhance the probability of crossover node 203 is avoided, while the application of printing slurry, wave are reduced to the greatest extent
The dog-ear of wave-like broken line can be greater than or equal to 60 °, less than 180 °.
In one embodiment, the angle setting of the dog-ear can be there are many embodiment.For example, as shown in Figure 2 and Figure 3,
If dog-ear is excessive, it is not easy to avoid crossover node 203, if dog-ear is too small, wastes printing slurry, thus the dog-ear
It can be hexagonal angle, both be easy to avoid dog-ear at this time, printing slurry can also be saved, so that the yield of cell piece reaches best shape
State.
In one embodiment, the setting of anti-breaking grid line 105 can be there are many embodiment.For example, as shown in Figure 1, due to
A plurality of main gate line 102 is vertically arranged with a plurality of thin grid line 104, and every thin grid line 104 is divided for multiple line segments, thus can be
One anti-breaking grid line 105 is set in each line segment section, and anti-breaking grid line 105 can be set in adjacent two main gate lines 102 just
In, further, in order to save the dosage and good appearance of printing slurry, anti-breaking grid line 105 can be set side by side with main gate line 102
It sets.
In one embodiment, the selection of main gate line 102 can be there are many embodiment.For example, as shown in Figure 1, in order into
The dosage of the saving printing slurry of one step, the main gate line 102 can select segmented main gate line, reduce production cost.
In one embodiment, a plurality of main gate line 102 and a plurality of thin 104 relative position of grid line setting can there are many implement
Scheme.For example, a plurality of main gate line 102 can intersect vertically with a plurality of thin grid line 104, main gate line 102 and thin grid line 104
It is parallel with the frame line of rectangular shaped rim respectively.
In conclusion the solar battery sheet front electrode provided in the utility model embodiment, a plurality of main gate line
It is all set in frame with a plurality of thin grid line, it is parallel to each other between a plurality of main gate line, it is parallel to each other between a plurality of thin grid line, it is a plurality of
Thin grid line intersects with a plurality of main gate line；Two opposite side frame lines of frame and a plurality of main gate line are arranged side by side, anti-breaking grid line with it is a plurality of
At least one set of adjacent two thin grid line is connected in thin grid line, at least one anti-breaking grid line and/or at least one liang of opposite side frame
Line is curve or broken line.Front electrode in the present embodiment, can be around the warp and weft occurred in halftone manufacturing process
Crossover node, reduces anti-breaking grid line and two opposite side frame lines occur printing undesirable probability, is guaranteeing that cell piece appearance is good
While effectively cell piece can also be avoided to degrade, significantly improve cell piece production yield.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that being not used to limit this foregoing is merely specific embodiment of the utility model
The protection scope of utility model, within the spirit and principle of the utility model, any modification for being made, changes equivalent replacement
Into etc., it should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of solar battery sheet front electrode, which is characterized in that the solar battery sheet front electrode includes: frame
(101), a plurality of main gate line (102), a plurality of thin grid line (104) and a plurality of anti-breaking grid line (105), in which:
A plurality of main gate line (102) is arranged in parallel in frame (101), two opposite side frame lines (103) of frame (101) and a plurality of master
Grid line (102) is arranged side by side；
A plurality of thin grid line (104) is arranged in parallel in frame, intersects with a plurality of main gate line (102), and anti-breaking grid line (105) is set to
In a plurality of thin grid line (104) between at least one set of adjacent two thin grid line (104), it is connected with two thin grid line (104)；
At least one anti-breaking grid line (105) and/or at least one liang of opposite side frame line (103) are curve or broken line.
2. solar battery sheet front electrode as described in claim 1, which is characterized in that the anti-breaking grid line (105) and two
Opposite side frame line (103) is wavy broken line.
3. solar battery sheet front electrode as claimed in claim 2, which is characterized in that the dog-ear of the wavy broken line is big
In or be equal to 60 ° and less than 180 °.
4. solar battery sheet front electrode as claimed in claim 3, which is characterized in that the dog-ear is hexagonal angle.
5. such as the described in any item solar battery sheet front electrodes of Claims 1-4, which is characterized in that the anti-breaking grid line
(105) it is set to adjacent two main gate lines (102) center.
6. such as the described in any item solar battery sheet front electrodes of Claims 1-4, which is characterized in that the main gate line
It (102) is segmented main gate line.
7. such as the described in any item solar battery sheet front electrodes of Claims 1-4, which is characterized in that a plurality of main grid
Line (102) intersects vertically with a plurality of thin grid line (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820658437.8U CN208422926U (en) | 2018-05-04 | 2018-05-04 | Solar battery sheet front electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820658437.8U CN208422926U (en) | 2018-05-04 | 2018-05-04 | Solar battery sheet front electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208422926U true CN208422926U (en) | 2019-01-22 |
Family
ID=65117065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820658437.8U Active CN208422926U (en) | 2018-05-04 | 2018-05-04 | Solar battery sheet front electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208422926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117253930A (en) * | 2023-11-20 | 2023-12-19 | 隆基绿能科技股份有限公司 | Back contact solar cell, photovoltaic module and electrode structure |
-
2018
- 2018-05-04 CN CN201820658437.8U patent/CN208422926U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117253930A (en) * | 2023-11-20 | 2023-12-19 | 隆基绿能科技股份有限公司 | Back contact solar cell, photovoltaic module and electrode structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220705 Address after: 314417 No. 1 Jisheng Road, Jiaxing City, Zhejiang Province Patentee after: Zhengtai Xinneng Technology Co.,Ltd. Address before: 310053 No. 1335 Bin'an Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: CHINT SOLAR (ZHEJIANG) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314417 No. 1 Jisheng Road, Jiaxing City, Zhejiang Province Patentee after: Zhengtai Xinneng Technology Co.,Ltd. Address before: 314417 No. 1 Jisheng Road, Jiaxing City, Zhejiang Province Patentee before: Zhengtai Xinneng Technology Co.,Ltd. |